Global Positioning System (English Wikipedia)

"Assisted-GPS Test Calls for 3G WCDMA Networks". 3g.co.uk. November 10, 2004. Archived from the original on November 27, 2010. Retrieved November 24, 2010.

aero.org (Global: low place; English: low place)

"Charting a Course Toward Global Navigation". The Aerospace Corporation. Archived from the original on November 1, 2002. Retrieved October 14, 2013.
Massatt, Paul; Wayne Brady (Summer 2002). "Optimizing performance through constellation management" (PDF). Crosslink: 17–21. Archived from the original on January 25, 2012.

af.mil (Global: 439^th place; English: 283^rd place)

afspc.af.mil

"AF Space Command Chronology". USAF Space Command. Archived from the original on August 17, 2011. Retrieved June 20, 2011.
"Mathematician inducted into Space and Missiles Pioneers Hall of Fame". Air Force Space Command. December 7, 2018. Archived from the original on June 3, 2019. Retrieved August 3, 2021.

au.af.mil

"MX Deployment Reconsidered". au.af.mil. Archived from the original on June 25, 2017. Retrieved June 7, 2013.

schriever.af.mil

"FactSheet: 2nd Space Operations Squadron". USAF Space Command. Archived from the original on June 11, 2011. Retrieved June 20, 2011.

airandspaceforces.com (Global: 8,923^rd place; English: 6,049^th place)

Hadley, Greg (July 16, 2025). "Space Force Accepts New GPS Control System After Years of Delays". Air & Space Forces Magazine. Retrieved July 16, 2025.

archive.today (Global: 14^th place; English: 14^th place)

United States Coast Guard. General GPS News 9–9–05.

armscontrol.org (Global: 7,966^th place; English: 6,558^th place)

Arms Control Association.Missile Technology Control Regime Archived September 16, 2008, at the Wayback Machine. Retrieved May 17, 2006.

arxiv.org (Global: 69^th place; English: 59^th place)

Zhao, Xilei; Xu, Yiming; Lovreglio, Ruggiero; Kuligowski, Erica; Nilsson, Daniel; Cova, Thomas J.; Wu, Alex; Yan, Xiang (June 1, 2022). "Estimating wildfire evacuation decision and departure timing using large-scale GPS data". Transportation Research Part D: Transport and Environment. 107 103277. arXiv:2109.07745. Bibcode:2022TRPD..10703277Z. doi:10.1016/j.trd.2022.103277. ISSN 1361-9209.

asme.org (Global: 6,461^st place; English: 4,142^nd place)

"GPS Helps Robots Get the Job Done". www.asme.org. Archived from the original on August 3, 2021. Retrieved August 3, 2021.

astronautix.com (Global: 2,056^th place; English: 1,541^st place)

"SECOR Chronology". Mark Wade's Encyclopedia Astronautica. Archived from the original on January 16, 2010. Retrieved January 19, 2010.

avatoday.net (Global: low place; English: low place)

"Evidence shows Iran shot down Ukrainian plane 'intentionally' | AvaToday". July 12, 2021. Archived from the original on July 12, 2021. Retrieved July 12, 2021.

aviationweek.com (Global: 1,181^st place; English: 736^th place)

"US Air Force Eyes Changes To National Security Satellite Programs". Aviationweek.com. January 18, 2013. Archived from the original on September 22, 2013. Retrieved September 28, 2013.
"LightSquared Tests Confirm GPS Jamming". Aviation Week. Archived from the original on August 12, 2011. Retrieved June 20, 2011.

avionicswest.com (Global: low place; English: low place)

Thomassen, Keith. "How GPS Works". avionicswest.com. Archived from the original on March 30, 2016. Retrieved April 22, 2014.

bbc.com (Global: 20^th place; English: 30^th place)

Butterly, Amelia (May 20, 2018). "100 Women: Gladys West – the 'hidden figure' of GPS". BBC News. Archived from the original on February 13, 2019. Retrieved January 17, 2019.
Amos, Jonathan (February 12, 2019). "Queen Elizabeth Prize for Engineering: GPS pioneers lauded". BBC News. Archived from the original on April 6, 2019. Retrieved April 6, 2019.
"How does my sat-nav really know where I am?". www.bbc.com. September 28, 2013. Retrieved January 5, 2025.

bloomberg.com (Global: 99^th place; English: 77^th place)

"Raytheon's $7 Billion GPS Stations Are Running 73% Over Estimates". Bloomberg.com. June 21, 2023. Retrieved November 26, 2023.

books.google.com (Global: 3^rd place; English: 3^rd place)

Raza, Khalid (October 16, 2020). Computational Intelligence Methods in COVID-19: Surveillance, Prevention, Prediction and Diagnosis. Springer Nature. p. 114. ISBN 978-981-15-8534-0.
Lee, Eunsu (March 21, 2023). Geographic Information Systems for Intermodal Transportation: Methods, Models, and Applications. Elsevier. p. 3. ISBN 978-0-323-90130-7.
National Research Council (U.S.). Committee on the Future of the Global Positioning System; National Academy of Public Administration (1995). The global positioning system: a shared national asset: recommendations for technical improvements and enhancements. National Academies Press. p. 16. ISBN 978-0-309-05283-2. Retrieved August 16, 2013.
Ann Darrin; Beth L. O'Leary (June 26, 2009). Handbook of Space Engineering, Archaeology, and Heritage. CRC Press. pp. 239–240. ISBN 978-1-4200-8432-0. Archived from the original on August 14, 2021. Retrieved July 28, 2021.
Rip, Michael Russell; James M. Hasik (2002). The Precision Revolution: GPS and the Future of Aerial Warfare. Naval Institute Press. p. 65. ISBN 978-1-55750-973-4. Retrieved January 14, 2010.
Schroeer, Dietrich; Elena, Mirco (2000). Technology Transfer. Ashgate. p. 80. ISBN 978-0-7546-2045-7. Retrieved May 25, 2008.
Michael Russell Rip; James M. Hasik (2002). The Precision Revolution: GPS and the Future of Aerial Warfare. Naval Institute Press. ISBN 978-1-55750-973-4. Retrieved May 25, 2008.
Grewal, Mohinder S.; Weill, Lawrence R.; Andrews, Angus P. (2007). Global Positioning Systems, Inertial Navigation, and Integration (2nd ed.). John Wiley & Sons. pp. 92–93. ISBN 978-0-470-09971-1.
Samama, Nel (2008). Global Positioning: Technologies and Performance. John Wiley & Sons. p. 65. ISBN 978-0-470-24190-5.,
Richharia, Madhavendra; Westbrook, Leslie David (2011). Satellite Systems for Personal Applications: Concepts and Technology. John Wiley & Sons. p. 443. ISBN 978-1-119-95610-5. Archived from the original on July 4, 2014. Retrieved February 28, 2017.
Penttinen, Jyrki T.J. (2015). The Telecommunications Handbook: Engineering Guidelines for Fixed, Mobile and Satellite Systems. John Wiley & Sons. ISBN 978-1-119-94488-1.
Misra, Pratap; Enge, Per (2006). Global Positioning System. Signals, Measurements and Performance (2nd ed.). Ganga-Jamuna Press. p. 115. ISBN 978-0-9709544-1-1. Retrieved August 16, 2013.
Borre, Kai; M. Akos, Dennis; Bertelsen, Nicolaj; Rinder, Peter; Jensen, Søren Holdt (2007). A Software-Defined GPS and Galileo Receiver. A single-Frequency Approach. Springer. p. 18. ISBN 978-0-8176-4390-4.
Strang, Gilbert; Borre, Kai (1997). Linear Algebra, Geodesy, and GPS. SIAM. pp. 448–449. ISBN 978-0-9614088-6-2. Archived from the original on October 10, 2021. Retrieved May 22, 2018.
Holme, Audun (2010). Geometry: Our Cultural Heritage. Springer Science & Business Media. p. 338. ISBN 978-3-642-14441-7. Archived from the original on October 10, 2021. Retrieved May 22, 2018.
Hofmann-Wellenhof, B.; Legat, K.; Wieser, M. (2003). Navigation. Springer Science & Business Media. p. 36. ISBN 978-3-211-00828-7. Archived from the original on October 10, 2021. Retrieved May 22, 2018.
Groves, P. D. (2013). Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems, Second Edition. GNSS/GPS. Artech House. ISBN 978-1-60807-005-3. Archived from the original on March 15, 2021. Retrieved February 19, 2021.

bourabai.kz (Global: low place; English: low place)

Relativistische Zeitdilatation eines künstlichen Satelliten (Relativistic time dilation of an artificial satellite. Astronautica Acta II (in German) (25). Retrieved October 19, 2014. Archived from the original on July 3, 2014. Retrieved October 20, 2014.

breakingdefense.com (Global: 4,229^th place; English: 2,463^rd place)

Hitchens, Theresa (November 7, 2023). "Next-gen GPS ground system expected to come online this summer: Calvelli". Breaking Defense. Retrieved March 15, 2025.

britannica.com (Global: 40^th place; English: 58^th place)

"Radio wave | Examples, Uses, Facts, & Range". Britannica. Retrieved April 4, 2023.

businessinsider.com (Global: 140^th place; English: 115^th place)

Panella, Chris (April 30, 2024). "Russian forces have hit on a cheap way to foil US precision weapons in Ukraine". Business Insider.

c4isrnet.com (Global: low place; English: low place)

Albon, Courtney (June 9, 2023). "Space Force sees further delays to 'troubled' GPS ground segment". C4ISRNet. Retrieved November 26, 2023.

cachefly.net (Global: low place; English: low place)

ssv.cachefly.net

Carlisle, Jeff (June 23, 2011). "Testimony of Jeff Carlisle, LightSquared Executive Vice President of Regulatory Affairs and Public Policy to U.S. House Subcommittee on Aviation and Subcommittee on Coast Guard and Maritime Transportation" (PDF). Archived from the original (PDF) on September 29, 2011. Retrieved December 13, 2011.

cambridge.org (Global: 305^th place; English: 264^th place)

Wesche, Christine; Eisen, Olaf; Oerter, Hans; Schulte, Daniel; Steinhage, Daniel (January 2007). "Surface topography and ice flow in the vicinity of the EDML deep-drilling site, Antarctica". Journal of Glaciology. 53 (182): 442–448. Bibcode:2007JGlac..53..442W. doi:10.3189/002214307783258512. ISSN 0022-1430.

clove.co.uk (Global: low place; English: low place)

blog.clove.co.uk

Jon (January 10, 2012). "GLONASS the future for all smartphones?". Clove Blog. Archived from the original on March 10, 2016. Retrieved October 29, 2016.

colorado.edu (Global: 2,526^th place; English: 1,796^th place)

colorado.edu

Dana, Peter H. (August 8, 1996). "GPS Orbital Planes". Archived from the original (GIF) on January 26, 2018. Retrieved February 27, 2006.
Dana, Peter H. "GPS Week Number Rollover Issues". Archived from the original on February 25, 2013. Retrieved August 12, 2013.
Dana, Peter H. "Geometric Dilution of Precision (GDOP) and Visibility". University of Colorado at Boulder. Archived from the original on August 23, 2005. Retrieved July 7, 2008.
Dana, Peter H. "Receiver Position, Velocity, and Time". University of Colorado at Boulder. Archived from the original on August 23, 2005. Retrieved July 7, 2008.

spot.colorado.edu

Agnew, D.C.; Larson, K.M. (2007). "Finding the repeat times of the GPS constellation". GPS Solutions. 11 (1): 71–76. doi:10.1007/s10291-006-0038-4. S2CID 59397640. This article from author's web site Archived February 16, 2008, at the Wayback Machine, with minor correction.

comspacewatch.com (Global: low place; English: low place)

"GPS Completes Next Generation Operational Control System PDR". Air Force Space Command News Service. September 14, 2011. Archived from the original on October 2, 2011.

cwu.edu (Global: low place; English: low place)

geodesy.cwu.edu

"The Pacific Northwest Geodetic Array". cwu.edu. Archived from the original on September 11, 2014. Retrieved October 10, 2014.

dailytech.com (Global: low place; English: 8,724^th place)

"First Block 2F GPS Satellite Launched, Needed to Prevent System Failure". DailyTech. Archived from the original on May 30, 2010. Retrieved May 30, 2010.

darpa.mil (Global: low place; English: 7,006^th place)

Alexandrow, Catherine (April 2008). "The Story of GPS". Archived from the original on February 24, 2013.
DARPA: 50 Years of Bridging the Gap. April 2008. Archived from the original on May 6, 2011.

deere.com (Global: low place; English: low place)

stellarsupport.deere.com

"2011 John Deere StarFire 3000 Operator Manual" (PDF). John Deere. Archived from the original (PDF) on January 5, 2012. Retrieved November 13, 2011.

defense.gov (Global: 1,038^th place; English: 668^th place)

"DoD Decision Breathes New Life into Critical OCX Satellite Program". U.S. Department of Defense. Retrieved November 26, 2023.^{[dead link]}

defenseindustrydaily.com (Global: 3,289^th place; English: 2,353^rd place)

"The USA's GPS-III Satellites". Defense Industry Daily. October 13, 2011. Archived from the original on October 18, 2011. Retrieved October 27, 2011.

dinhvigps.vn (Global: low place; English: low place)

"dinh vi gps". Retrieved January 5, 2025.

doi.org (Global: 2^nd place; English: 2^nd place)

Hegarty, Christopher J.; Chatre, Eric (December 2008). "Evolution of the Global Navigation SatelliteSystem (GNSS)". Proceedings of the IEEE. 96 (12): 1902–1917. doi:10.1109/JPROC.2008.2006090. ISSN 0018-9219. S2CID 838848.
Abel, J. S.; Chaffee, J. W. (1991). "Existence and uniqueness of GPS solutions". IEEE Transactions on Aerospace and Electronic Systems. 27 (6). Institute of Electrical and Electronics Engineers (IEEE): 952–956. Bibcode:1991ITAES..27..952A. doi:10.1109/7.104271. ISSN 0018-9251.
Fang, B. T. (1992). "Comments on "Existence and uniqueness of GPS solutions" by J.S. Abel and J.W. Chaffee". IEEE Transactions on Aerospace and Electronic Systems. 28 (4). Institute of Electrical and Electronics Engineers (IEEE): 1163. doi:10.1109/7.165379. ISSN 0018-9251.
Daly, P. (December 1993). "Navstar GPS and GLONASS: global satellite navigation systems". Electronics & Communication Engineering Journal. 5 (6): 349–357. doi:10.1049/ecej:19930069 (inactive July 6, 2025).{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link)
Agnew, D.C.; Larson, K.M. (2007). "Finding the repeat times of the GPS constellation". GPS Solutions. 11 (1): 71–76. doi:10.1007/s10291-006-0038-4. S2CID 59397640. This article from author's web site Archived February 16, 2008, at the Wayback Machine, with minor correction.
Hadas, T.; Krypiak-Gregorczyk, A.; Hernández-Pajares, M.; Kaplon, J.; Paziewski, J.; Wielgosz, P.; Garcia-Rigo, A.; Kazmierski, K.; Sosnica, K.; Kwasniak, D.; Sierny, J.; Bosy, J.; Pucilowski, M.; Szyszko, R.; Portasiak, K.; Olivares-Pulido, G.; Gulyaeva, T.; Orus-Perez, R. (November 2017). "Impact and Implementation of Higher-Order Ionospheric Effects on Precise GNSS Applications: Higher-Order Ionospheric Effects in GNSS". Journal of Geophysical Research: Solid Earth. 122 (11): 9420–9436. doi:10.1002/2017JB014750. hdl:2117/114538. S2CID 54069697.
Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (August 2013). "Impact of loading displacements on SLR-derived parameters and on the consistency between GNSS and SLR results" (PDF). Journal of Geodesy. 87 (8): 751–769. Bibcode:2013JGeod..87..751S. doi:10.1007/s00190-013-0644-1. S2CID 56017067. Archived (PDF) from the original on March 15, 2021. Retrieved March 2, 2021.
Bury, Grzegorz; Sośnica, Krzysztof; Zajdel, Radosław (December 2019). "Multi-GNSS orbit determination using satellite laser ranging". Journal of Geodesy. 93 (12): 2447–2463. Bibcode:2019JGeod..93.2447B. doi:10.1007/s00190-018-1143-1.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz; Dach, Rolf; Prange, Lars; Kazmierski, Kamil (January 2021). "Sub-daily polar motion from GPS, GLONASS, and Galileo". Journal of Geodesy. 95 (1): 3. Bibcode:2021JGeod..95....3Z. doi:10.1007/s00190-020-01453-w. ISSN 0949-7714.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz; Dach, Rolf; Prange, Lars (July 2020). "System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo". GPS Solutions. 24 (3): 74. Bibcode:2020GPSS...24...74Z. doi:10.1007/s10291-020-00989-w.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz (January 2021). "Geocenter coordinates derived from multi-GNSS: a look into the role of solar radiation pressure modeling". GPS Solutions. 25 (1) 1. Bibcode:2021GPSS...25....1Z. doi:10.1007/s10291-020-01037-3.
Glaser, Susanne; Fritsche, Mathias; Sośnica, Krzysztof; Rodríguez-Solano, Carlos Javier; Wang, Kan; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus; Dietrich, Reinhard (December 2015). "A consistent combination of GNSS and SLR with minimum constraints". Journal of Geodesy. 89 (12): 1165–1180. Bibcode:2015JGeod..89.1165G. doi:10.1007/s00190-015-0842-0. S2CID 118344484.
Sickle, Jan Van (October 10, 2011). GPS for Land Surveyors (3 ed.). Boca Raton: CRC Press. doi:10.4324/9780203305225. ISBN 978-0-429-14911-5.
Wesche, Christine; Eisen, Olaf; Oerter, Hans; Schulte, Daniel; Steinhage, Daniel (January 2007). "Surface topography and ice flow in the vicinity of the EDML deep-drilling site, Antarctica". Journal of Glaciology. 53 (182): 442–448. Bibcode:2007JGlac..53..442W. doi:10.3189/002214307783258512. ISSN 0022-1430.
Sivalingam, Prahaladhan; Asirvatham, David; Marjani, Mohsen; Syed Masood, Jafar Ali Ibrahim; Chakravarthy, N. S. Kalyan; Veerisetty, Gopinath; Lestari, Martha Tri (April 1, 2024). "A review of travel behavioural pattern using GPS dataset: A systematic literature review". Measurement: Sensors. 32 101031. Bibcode:2024MeasS..3201031S. doi:10.1016/j.measen.2024.101031. ISSN 2665-9174.
Nakajima, Yuu; Shiina, Hironori; Yamane, Shohei; Ishida, Toru; Yamaki, Hirofumi (January 2007). "Disaster Evacuation Guide: Using a Massively Multiagent Server and GPS Mobile Phones". 2007 International Symposium on Applications and the Internet. p. 2. doi:10.1109/SAINT.2007.13.
Zhao, Xilei; Xu, Yiming; Lovreglio, Ruggiero; Kuligowski, Erica; Nilsson, Daniel; Cova, Thomas J.; Wu, Alex; Yan, Xiang (June 1, 2022). "Estimating wildfire evacuation decision and departure timing using large-scale GPS data". Transportation Research Part D: Transport and Environment. 107 103277. arXiv:2109.07745. Bibcode:2022TRPD..10703277Z. doi:10.1016/j.trd.2022.103277. ISSN 1361-9209.
Yang, Zhuo; Franz, Mark L.; Zhu, Shanjiang; Mahmoudi, Jina; Nasri, Arefeh; Zhang, Lei (January 1, 2018). "Analysis of Washington, DC taxi demand using GPS and land-use data". Journal of Transport Geography. 66: 35–44. Bibcode:2018JTGeo..66...35Y. doi:10.1016/j.jtrangeo.2017.10.021. ISSN 0966-6923.
Braund, Taylor A.; Zin, May The; Boonstra, Tjeerd W.; Wong, Quincy J. J.; Larsen, Mark E.; Christensen, Helen; Tillman, Gabriel; O'Dea, Bridianne (May 4, 2022). "Smartphone Sensor Data for Identifying and Monitoring Symptoms of Mood Disorders: A Longitudinal Observational Study". JMIR Mental Health. 9 (5) e35549. doi:10.2196/35549. PMC 9118091. PMID 35507385.
Kazmierski, Kamil; Zajdel, Radoslaw; Sośnica, Krzysztof (October 2020). "Evolution of orbit and clock quality for real-time multi-GNSS solutions". GPS Solutions. 24 (4): 111. Bibcode:2020GPSS...24..111K. doi:10.1007/s10291-020-01026-6.
Strugarek, Dariusz; Sośnica, Krzysztof; Jäggi, Adrian (January 2019). "Characteristics of GOCE orbits based on Satellite Laser Ranging". Advances in Space Research. 63 (1): 417–431. Bibcode:2019AdSpR..63..417S. doi:10.1016/j.asr.2018.08.033. S2CID 125791718.
Strugarek, Dariusz; Sośnica, Krzysztof; Arnold, Daniel; Jäggi, Adrian; Zajdel, Radosław; Bury, Grzegorz; Drożdżewski, Mateusz (September 30, 2019). "Determination of Global Geodetic Parameters Using Satellite Laser Ranging Measurements to Sentinel-3 Satellites". Remote Sensing. 11 (19): 2282. Bibcode:2019RemS...11.2282S. doi:10.3390/rs11192282.
Zajdel, R.; Sośnica, K.; Dach, R.; Bury, G.; Prange, L.; Jäggi, A. (June 2019). "Network Effects and Handling of the Geocenter Motion in Multi-GNSS Processing". Journal of Geophysical Research: Solid Earth. 124 (6): 5970–5989. Bibcode:2019JGRB..124.5970Z. doi:10.1029/2019JB017443.
Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Steigenberger, Peter; Beutler, Gerhard; Arnold, Daniel; Jäggi, Adrian (July 2015). "Satellite laser ranging to GPS and GLONASS". Journal of Geodesy. 89 (7): 725–743. Bibcode:2015JGeod..89..725S. doi:10.1007/s00190-015-0810-8.
Bury, Grzegorz; Sośnica, Krzysztof; Zajdel, Radosław; Strugarek, Dariusz; Hugentobler, Urs (January 2021). "Determination of precise Galileo orbits using combined GNSS and SLR observations". GPS Solutions. 25 (1): 11. Bibcode:2021GPSS...25...11B. doi:10.1007/s10291-020-01045-3.
Sośnica, K.; Bury, G.; Zajdel, R. (March 16, 2018). "Contribution of Multi-GNSS Constellation to SLR-Derived Terrestrial Reference Frame". Geophysical Research Letters. 45 (5): 2339–2348. Bibcode:2018GeoRL..45.2339S. doi:10.1002/2017GL076850. S2CID 134160047.
Sośnica, K.; Bury, G.; Zajdel, R.; Strugarek, D.; Drożdżewski, M.; Kazmierski, K. (December 2019). "Estimating global geodetic parameters using SLR observations to Galileo, GLONASS, BeiDou, GPS, and QZSS". Earth, Planets and Space. 71 (1): 20. Bibcode:2019EP&S...71...20S. doi:10.1186/s40623-019-1000-3.
Ashby, Neil (2003). "Relativity in the Global Positioning System". Living Reviews in Relativity. 6 (1) 1. Bibcode:2003LRR.....6....1A. doi:10.12942/lrr-2003-1. ISSN 1433-8351. PMC 5253894. PMID 28163638.
Hoshen, J. (1996). "The GPS Equations and the Problem of Apollonius". IEEE Transactions on Aerospace and Electronic Systems. 32 (3): 1116–1124. Bibcode:1996ITAES..32.1116H. doi:10.1109/7.532270. S2CID 30190437.
Grafarend, Erik W. (2002). "GPS Solutions: Closed Forms, Critical and Special Configurations of P4P". GPS Solutions. 5 (3): 29–41. Bibcode:2002GPSS....5...29G. doi:10.1007/PL00012897. S2CID 121336108.
Bancroft, S. (January 1985). "An Algebraic Solution of the GPS Equations". IEEE Transactions on Aerospace and Electronic Systems. AES-21 (1): 56–59. Bibcode:1985ITAES..21...56B. doi:10.1109/TAES.1985.310538. S2CID 24431129.
Sirola, Niilo (March 2010). "Closed-form algorithms in mobile positioning: Myths and misconceptions". 7th Workshop on Positioning Navigation and Communication. WPNC 2010. pp. 38–44. CiteSeerX 10.1.1.966.9430. doi:10.1109/WPNC.2010.5653789.
"GNSS Positioning Approaches". GNSS Positioning Approaches – GPS Satellite Surveying, Fourth Edition – Leick. Wiley Online Library. 2015. pp. 257–399. doi:10.1002/9781119018612.ch6. ISBN 978-1-119-01861-2.
Chwedczuk, Katarzyna; Cienkosz, Daniel; Apollo, Michal; Borowski, Lukasz; Lewinska, Paulina; Guimarães Santos, Celso Augusto; Eborka, Kennedy; Kulshreshtha, Sandeep; Romero-Andrade, Rosendo; Sedeek, Ahmed; Liibusk, Aive; MacIuk, Kamil (2022). "Challenges related to the determination of altitudes of mountain peaks presented on cartographic sources". Geodetski Vestnik. 66: 49–59. doi:10.15292/geodetski-vestnik.2022.01.49-59. S2CID 247985456.
Hadas, Tomasz; Kazmierski, Kamil; Sośnica, Krzysztof (August 7, 2019). "Performance of Galileo-only dual-frequency absolute positioning using the fully serviceable Galileo constellation". GPS Solutions. 23 (4): 108. Bibcode:2019GPSS...23..108H. doi:10.1007/s10291-019-0900-9.

dtic.mil (Global: 833^rd place; English: 567^th place)

apps.dtic.mil

Fliegel, Henry F.; DiEsposti, Raymond S. (December 1996), GPS and relativity overview (PDF), El Segundo, CA: The Aerospace Corporation, archived from the original (PDF) on March 6, 2023, retrieved December 7, 2022

dw.com (Global: 204^th place; English: 353^rd place)

"Galileo navigation satellite system goes live". dw.com. Archived from the original on October 18, 2017. Retrieved December 17, 2016.

eurekalert.org (Global: 3,538^th place; English: 3,083^rd place)

"President announces Roger Easton recipient of National Medal of Technology". EurekAlert!. United States Naval Research Laboratory. November 22, 2005. Archived from the original on October 11, 2007.

fas.org (Global: 505^th place; English: 410^th place)

"United States Nuclear Detonation Detection System (USNDS)". Fas.org. Archived from the original on October 10, 2011. Retrieved November 6, 2011.

fcc.gov (Global: 1,271^st place; English: 703^rd place)

hraunfoss.fcc.gov

"Federal Communications Commission Report and Order In the Matter of Fixed and Mobile Services in the Mobile Satellite Service Bands at 1525–1559 MHz and 1626.5–1660.5 MHz" (PDF). Federal Communications Commission. April 6, 2011. Archived from the original (PDF) on December 16, 2011. Retrieved December 13, 2011.
"Order on Reconsideration" (PDF). July 3, 2003. Archived (PDF) from the original on October 20, 2011. Retrieved October 20, 2015.
"FCC Order, Granted LightSquared Subsidiary LLC, a Mobile Satellite Service licensee in the L-Band, a conditional waiver of the Ancillary Terrestrial Component "integrated service" rule" (PDF). Federal Communications Commission. FCC.Gov. January 26, 2011. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.
"FCC Order permitting mobile satellite services providers to provide an ancillary terrestrial component (ATC) to their satellite systems" (PDF). Federal Communications Commission. February 10, 2003. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.

transition.fcc.gov

"Federal Communications Commission Table of Frequency Allocations" (PDF). Federal Communications Commission. November 18, 2011. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.

federalregister.gov (Global: 2,474^th place; English: 1,469^th place)

"Federal Communications Commission Fixed and Mobile Services in the Mobile Satellite Service". Federal Communications Commission. July 15, 2010. Archived from the original on May 27, 2012. Retrieved December 13, 2011.

frequentbusinesstraveler.com (Global: low place; English: low place)

Paul Riegler, FBT. "FCC Bars LightSquared Broadband Network Plan". Archived September 22, 2013, at the Wayback Machine. February 14, 2012. Retrieved February 14, 2012.

galileognss.eu (Global: low place; English: low place)

"FCC approves use of Galileo in the US". Galileo. November 19, 2018.

galleon.eu.com (Global: low place; English: low place)

atomic-clock.galleon.eu.com

"GPS time accurate to 100 nanoseconds". Galleon. Archived from the original on May 14, 2012. Retrieved October 12, 2012.

gao.gov (Global: 2,954^th place; English: 1,848^th place)

"GLOBAL POSITIONING SYSTEM: Updated Schedule Assessment Could Help Decision Makers Address Likely Delays Related to New Ground Control System" (PDF). US Government Accounting Office. May 2019. Archived (PDF) from the original on September 10, 2019. Retrieved August 24, 2019.

gcn.com (Global: low place; English: low place)

Sinha, Vandana (July 24, 2003). "Commanders and Soldiers' GPS-receivers". Gcn.com. Archived from the original on September 21, 2009. Retrieved October 13, 2009.

go.com (Global: 48^th place; English: 39^th place)

abcnews.go.com

Coursey, David (May 21, 2009). "Air Force Responds to GPS Outage Concerns". ABC News. Archived from the original on May 23, 2009. Retrieved May 22, 2009.

gps.gov (Global: low place; English: low place)

"Fiscal Year 2023 Program Funding". April 27, 2022. Retrieved September 24, 2023.
United States Department of Defense (September 2008). "Global Positioning System Standard Positioning Service Performance Standard" (PDF) (4th ed.). Archived (PDF) from the original on April 27, 2017. Retrieved April 21, 2017.
National Coordination Office for Space-Based Positioning, Navigation, and Timing (February 22, 2021). "What is GPS?". Archived from the original on May 6, 2021. Retrieved May 5, 2021.
National Coordination Office for Space-Based Positioning, Navigation, and Timing (March 3, 2022). "GPS Accuracy". GPS.gov. Archived from the original on April 12, 2022. Retrieved April 12, 2022.
"New Civil Signals". GPS.gov. Retrieved November 22, 2023.
Williams Jr., Richard A. (October 5, 2011). "GPS Program Receives International Award". GPS.gov. Archived from the original on May 13, 2017. Retrieved December 24, 2018.
"Global Positioning System". Gps.gov. Archived from the original on July 30, 2010. Retrieved June 26, 2010.
"Space Segment". GPS.gov. Archived from the original on July 18, 2019. Retrieved July 27, 2019.
"GPS.gov: Next Generation Operational Control System (OCX)". www.gps.gov. Retrieved November 26, 2023.
"GPS.gov: Performance Standards & Specifications". www.gps.gov. Retrieved June 21, 2024.
"Frequently Asked Questions About Selective Availability". National Coordination Office for Space-Based Positioning, Navigation, and Timing (PNT). October 2001. Archived from the original on June 16, 2015. Retrieved June 13, 2015. Selective Availability ended a few minutes past midnight EDT after the end of May 1, 2000. The change occurred simultaneously across the entire satellite constellation.
"Statement of Julius P. Knapp, Chief, Office of Engineering and Technology, Federal Communications Commission" (PDF). gps.gov. September 15, 2011. p. 3. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.

gpsinformation.net (Global: low place; English: low place)

"Satellite message format". Gpsinformation.net. Archived from the original on November 1, 2010. Retrieved October 15, 2010.

gpsworld.com (Global: low place; English: low place)

zur Bonsen, Georg; Ammann, Daniel; Ammann, Michael; Favey, Etienne; Flammant, Pascal (April 1, 2005). "Continuous Navigation Combining GPS with Sensor-Based Dead Reckoning". GPS World. Archived from the original on November 11, 2006.
"The System: Test Data Predicts Disastrous GPS Jamming by FCC-Authorized Broadcaster". GPS World. March 1, 2011. Archived from the original on October 11, 2011. Retrieved November 6, 2011.
"Javad Ashjaee GPS World webinar". gpsworld.com. December 8, 2011. Archived from the original on November 26, 2011. Retrieved December 13, 2011.
Goward, Dana (November 15, 2019). "China leads world with plan for 'comprehensive' PNT". GPS World.

gsc-europa.eu (Global: low place; English: low place)

"Constellation Information | European GNSS Service Centre". www.gsc-europa.eu. Retrieved October 17, 2019.

handle.net (Global: 102^nd place; English: 76^th place)

hdl.handle.net

Hadas, T.; Krypiak-Gregorczyk, A.; Hernández-Pajares, M.; Kaplon, J.; Paziewski, J.; Wielgosz, P.; Garcia-Rigo, A.; Kazmierski, K.; Sosnica, K.; Kwasniak, D.; Sierny, J.; Bosy, J.; Pucilowski, M.; Szyszko, R.; Portasiak, K.; Olivares-Pulido, G.; Gulyaeva, T.; Orus-Perez, R. (November 2017). "Impact and Implementation of Higher-Order Ionospheric Effects on Precise GNSS Applications: Higher-Order Ionospheric Effects in GNSS". Journal of Geophysical Research: Solid Earth. 122 (11): 9420–9436. doi:10.1002/2017JB014750. hdl:2117/114538. S2CID 54069697.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Abel, J. S.; Chaffee, J. W. (1991). "Existence and uniqueness of GPS solutions". IEEE Transactions on Aerospace and Electronic Systems. 27 (6). Institute of Electrical and Electronics Engineers (IEEE): 952–956. Bibcode:1991ITAES..27..952A. doi:10.1109/7.104271. ISSN 0018-9251.
Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (August 2013). "Impact of loading displacements on SLR-derived parameters and on the consistency between GNSS and SLR results" (PDF). Journal of Geodesy. 87 (8): 751–769. Bibcode:2013JGeod..87..751S. doi:10.1007/s00190-013-0644-1. S2CID 56017067. Archived (PDF) from the original on March 15, 2021. Retrieved March 2, 2021.
Bury, Grzegorz; Sośnica, Krzysztof; Zajdel, Radosław (December 2019). "Multi-GNSS orbit determination using satellite laser ranging". Journal of Geodesy. 93 (12): 2447–2463. Bibcode:2019JGeod..93.2447B. doi:10.1007/s00190-018-1143-1.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz; Dach, Rolf; Prange, Lars; Kazmierski, Kamil (January 2021). "Sub-daily polar motion from GPS, GLONASS, and Galileo". Journal of Geodesy. 95 (1): 3. Bibcode:2021JGeod..95....3Z. doi:10.1007/s00190-020-01453-w. ISSN 0949-7714.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz; Dach, Rolf; Prange, Lars (July 2020). "System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo". GPS Solutions. 24 (3): 74. Bibcode:2020GPSS...24...74Z. doi:10.1007/s10291-020-00989-w.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz (January 2021). "Geocenter coordinates derived from multi-GNSS: a look into the role of solar radiation pressure modeling". GPS Solutions. 25 (1) 1. Bibcode:2021GPSS...25....1Z. doi:10.1007/s10291-020-01037-3.
Glaser, Susanne; Fritsche, Mathias; Sośnica, Krzysztof; Rodríguez-Solano, Carlos Javier; Wang, Kan; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus; Dietrich, Reinhard (December 2015). "A consistent combination of GNSS and SLR with minimum constraints". Journal of Geodesy. 89 (12): 1165–1180. Bibcode:2015JGeod..89.1165G. doi:10.1007/s00190-015-0842-0. S2CID 118344484.
Wesche, Christine; Eisen, Olaf; Oerter, Hans; Schulte, Daniel; Steinhage, Daniel (January 2007). "Surface topography and ice flow in the vicinity of the EDML deep-drilling site, Antarctica". Journal of Glaciology. 53 (182): 442–448. Bibcode:2007JGlac..53..442W. doi:10.3189/002214307783258512. ISSN 0022-1430.
Sivalingam, Prahaladhan; Asirvatham, David; Marjani, Mohsen; Syed Masood, Jafar Ali Ibrahim; Chakravarthy, N. S. Kalyan; Veerisetty, Gopinath; Lestari, Martha Tri (April 1, 2024). "A review of travel behavioural pattern using GPS dataset: A systematic literature review". Measurement: Sensors. 32 101031. Bibcode:2024MeasS..3201031S. doi:10.1016/j.measen.2024.101031. ISSN 2665-9174.
Zhao, Xilei; Xu, Yiming; Lovreglio, Ruggiero; Kuligowski, Erica; Nilsson, Daniel; Cova, Thomas J.; Wu, Alex; Yan, Xiang (June 1, 2022). "Estimating wildfire evacuation decision and departure timing using large-scale GPS data". Transportation Research Part D: Transport and Environment. 107 103277. arXiv:2109.07745. Bibcode:2022TRPD..10703277Z. doi:10.1016/j.trd.2022.103277. ISSN 1361-9209.
Yang, Zhuo; Franz, Mark L.; Zhu, Shanjiang; Mahmoudi, Jina; Nasri, Arefeh; Zhang, Lei (January 1, 2018). "Analysis of Washington, DC taxi demand using GPS and land-use data". Journal of Transport Geography. 66: 35–44. Bibcode:2018JTGeo..66...35Y. doi:10.1016/j.jtrangeo.2017.10.021. ISSN 0966-6923.
Kazmierski, Kamil; Zajdel, Radoslaw; Sośnica, Krzysztof (October 2020). "Evolution of orbit and clock quality for real-time multi-GNSS solutions". GPS Solutions. 24 (4): 111. Bibcode:2020GPSS...24..111K. doi:10.1007/s10291-020-01026-6.
Strugarek, Dariusz; Sośnica, Krzysztof; Jäggi, Adrian (January 2019). "Characteristics of GOCE orbits based on Satellite Laser Ranging". Advances in Space Research. 63 (1): 417–431. Bibcode:2019AdSpR..63..417S. doi:10.1016/j.asr.2018.08.033. S2CID 125791718.
Strugarek, Dariusz; Sośnica, Krzysztof; Arnold, Daniel; Jäggi, Adrian; Zajdel, Radosław; Bury, Grzegorz; Drożdżewski, Mateusz (September 30, 2019). "Determination of Global Geodetic Parameters Using Satellite Laser Ranging Measurements to Sentinel-3 Satellites". Remote Sensing. 11 (19): 2282. Bibcode:2019RemS...11.2282S. doi:10.3390/rs11192282.
Zajdel, R.; Sośnica, K.; Dach, R.; Bury, G.; Prange, L.; Jäggi, A. (June 2019). "Network Effects and Handling of the Geocenter Motion in Multi-GNSS Processing". Journal of Geophysical Research: Solid Earth. 124 (6): 5970–5989. Bibcode:2019JGRB..124.5970Z. doi:10.1029/2019JB017443.
Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Steigenberger, Peter; Beutler, Gerhard; Arnold, Daniel; Jäggi, Adrian (July 2015). "Satellite laser ranging to GPS and GLONASS". Journal of Geodesy. 89 (7): 725–743. Bibcode:2015JGeod..89..725S. doi:10.1007/s00190-015-0810-8.
Bury, Grzegorz; Sośnica, Krzysztof; Zajdel, Radosław; Strugarek, Dariusz; Hugentobler, Urs (January 2021). "Determination of precise Galileo orbits using combined GNSS and SLR observations". GPS Solutions. 25 (1): 11. Bibcode:2021GPSS...25...11B. doi:10.1007/s10291-020-01045-3.
Sośnica, K.; Bury, G.; Zajdel, R. (March 16, 2018). "Contribution of Multi-GNSS Constellation to SLR-Derived Terrestrial Reference Frame". Geophysical Research Letters. 45 (5): 2339–2348. Bibcode:2018GeoRL..45.2339S. doi:10.1002/2017GL076850. S2CID 134160047.
Sośnica, K.; Bury, G.; Zajdel, R.; Strugarek, D.; Drożdżewski, M.; Kazmierski, K. (December 2019). "Estimating global geodetic parameters using SLR observations to Galileo, GLONASS, BeiDou, GPS, and QZSS". Earth, Planets and Space. 71 (1): 20. Bibcode:2019EP&S...71...20S. doi:10.1186/s40623-019-1000-3.
Ashby, Neil (2003). "Relativity in the Global Positioning System". Living Reviews in Relativity. 6 (1) 1. Bibcode:2003LRR.....6....1A. doi:10.12942/lrr-2003-1. ISSN 1433-8351. PMC 5253894. PMID 28163638.
Hoshen, J. (1996). "The GPS Equations and the Problem of Apollonius". IEEE Transactions on Aerospace and Electronic Systems. 32 (3): 1116–1124. Bibcode:1996ITAES..32.1116H. doi:10.1109/7.532270. S2CID 30190437.
Grafarend, Erik W. (2002). "GPS Solutions: Closed Forms, Critical and Special Configurations of P4P". GPS Solutions. 5 (3): 29–41. Bibcode:2002GPSS....5...29G. doi:10.1007/PL00012897. S2CID 121336108.
Bancroft, S. (January 1985). "An Algebraic Solution of the GPS Equations". IEEE Transactions on Aerospace and Electronic Systems. AES-21 (1): 56–59. Bibcode:1985ITAES..21...56B. doi:10.1109/TAES.1985.310538. S2CID 24431129.
Hadas, Tomasz; Kazmierski, Kamil; Sośnica, Krzysztof (August 7, 2019). "Performance of Galileo-only dual-frequency absolute positioning using the fully serviceable Galileo constellation". GPS Solutions. 23 (4): 108. Bibcode:2019GPSS...23..108H. doi:10.1007/s10291-019-0900-9.

harveycohen.net (Global: low place; English: low place)

"GPS Signal Science". harveycohen.net. Archived from the original on May 29, 2017.

hpmemoryproject.org (Global: low place; English: low place)

David W. Allan; Neil Ashby; Clifford C. Hodge (1997). The Science of Timekeeping (PDF). Hewlett Packard – via HP Memory Project.

huffingtonpost.com (Global: 109^th place; English: 87^th place)

Elliott, Dan (June 1, 2010). "Air Force GPS Problem: Glitch Shows How Much U.S. Military Relies On GPS". The Huffington Post. Archived from the original on May 11, 2011. Retrieved October 15, 2010.

icao.int (Global: 3,545^th place; English: 2,820^th place)

"ICAO Completes Fact-Finding Investigation". International Civil Aviation Organization. Archived from the original on May 17, 2008. Retrieved September 15, 2008.

ieee.org (Global: 652^nd place; English: 515^th place)

spectrum.ieee.org

Moore, Samuel K. (September 21, 2017). "Superaccurate GPS Chips Coming to Smartphones in 2018". IEEE Spectrum. Archived from the original on January 18, 2018. Retrieved January 17, 2018.

insidegnss.com (Global: low place; English: low place)

GPS Wing Reaches GPS III IBR Milestone Archived May 23, 2013, at the Wayback Machine in Inside GNSS November 10, 2008
"Russia Launches Three More GLONASS-M Space Vehicles". Inside GNSS. Archived from the original on February 6, 2009. Retrieved December 26, 2008.
"Galileo Elliptical Auxiliary Satellites Removed from Service". Inside GNSS. February 23, 2021. Retrieved December 17, 2021.

ion.org (Global: low place; English: low place)

"ION Fellow – Mr. John A. Klobuchar". www.ion.org. Archived from the original on October 4, 2017. Retrieved June 17, 2017.
Czopek, Frank. "GPS 12". Institute of Navigation – Navigation Museum. Retrieved October 14, 2024.

iranintl.com (Global: 2,247^th place; English: 7,334^th place)

"Iran Spokesman Confirms Mysterious Disruption Of GPS Signals In Tehran". Iran International. December 29, 2020. Archived from the original on July 12, 2021. Retrieved July 12, 2021.

jaxa.jp (Global: 4,027^th place; English: 6,129^th place)

global.jaxa.jp

"JAXA | Positioning to know your location and time". global.jaxa.jp. Retrieved April 4, 2023.

jhuapl.edu (Global: 6,195^th place; English: 5,404^th place)

jhuapl.edu

Guier, William H.; Weiffenbach, George C. (1997). "Genesis of Satellite Navigation" (PDF). Johns Hopkins APL Technical Digest. 19 (1): 178–181. Archived from the original (PDF) on May 12, 2012. Retrieved April 9, 2012.

space50.jhuapl.edu

Worth, Helen E.; Warren, Mame (2009). Transit to Tomorrow. Fifty Years of Space Research at The Johns Hopkins University Applied Physics Laboratory (PDF). Archived (PDF) from the original on December 26, 2020. Retrieved March 3, 2013.

jproc.ca (Global: low place; English: low place)

Proc, Jerry. "Omega". Jproc.ca. Archived from the original on January 5, 2010. Retrieved December 8, 2009.

lightsquared.com (Global: low place; English: low place)

Genachowski, Julius (May 31, 2011). "FCC Chairman Genachowski Letter to Senator Charles Grassley" (PDF). Archived from the original (PDF) on January 13, 2012. Retrieved December 13, 2011.

liveviewgps.com (Global: low place; English: low place)

"The Use of GPS Tracking Technology in Australian Football". September 6, 2012. Archived from the original on September 27, 2016. Retrieved September 25, 2016.

loc.gov (Global: 70^th place; English: 63^rd place)

Science Reference Section (November 19, 2019). "What is a GPS? How does it work?". Everyday Mysteries. Library of Congress. Archived from the original on April 12, 2022. Retrieved April 12, 2022.

lockheedmartin.com (Global: 3,269^th place; English: 2,848^th place)

news.lockheedmartin.com

"Press release: First Modernized GPS Satellite Built by Lockheed Martin Launched Successfully by the U.S. Air Force – Sep 26, 2005". Lockheed Martin. Archived from the original on August 10, 2017. Retrieved August 9, 2017.

macalester.edu (Global: low place; English: low place)

"Global Positioning Systems" (PDF). Archived from the original (PDF) on July 19, 2011. Retrieved October 15, 2010.

metaresearch.org (Global: low place; English: low place)

What the Global Positioning System Tells Us about Relativity Archived January 4, 2007, at the Wayback Machine. Retrieved January 2, 2007.

metro.co.uk (Global: 296^th place; English: 217^th place)

Attewill, Fred. (February 13, 2013) Vehicles that use GPS jammers are big threat to aircraft Archived February 16, 2013, at the Wayback Machine. Metro.co.uk. Retrieved on August 2, 2013.

militaryaerospace.com (Global: low place; English: low place)

"GPS jamming is a growing threat to satellite navigation, positioning, and precision timing". www.militaryaerospace.com. June 28, 2016. Archived from the original on March 6, 2019. Retrieved March 3, 2019.

nara.gov (Global: low place; English: 9,910^th place)

clinton4.nara.gov

National Archives and Records Administration. U.S. Global Positioning System Policy Archived April 6, 2006, at the Wayback Machine. March 29, 1996.

nasa.gov (Global: 75^th place; English: 83^rd place)

nasa.gov

"GPS – NASA". September 25, 2023. Retrieved January 5, 2025.
Steitz, David E. "National Positioning, Navigation and Timing Advisory Board Named". Archived from the original on January 13, 2010. Retrieved March 22, 2007.
Nelson, Jon (June 19, 2019). "What Is an Atomic Clock?". NASA. Archived from the original on April 5, 2023. Retrieved April 4, 2023.

history.nasa.gov

Dick, Steven; Launius, Roger (2007). Societal Impact of Spaceflight (PDF). Washington, DC: US Government Printing Office. p. 331. ISBN 978-0-16-080190-7. Archived (PDF) from the original on March 3, 2013. Retrieved July 20, 2019.
Rumerman, Judy A. (2009). NASA Historical Data Book, Volume VII (PDF). NASA. p. 136. Archived (PDF) from the original on December 25, 2017. Retrieved July 12, 2017.

ntrs.nasa.gov

"Geodetic Explorer – A Press Kit" (PDF). NASA. October 29, 1965. Archived (PDF) from the original on February 11, 2014. Retrieved October 20, 2015.

navmanwireless.com (Global: low place; English: low place)

"GPS Support Notes" (PDF). January 19, 2007. Archived from the original (PDF) on March 27, 2009. Retrieved November 10, 2008.

navy.mil (Global: 237^th place; English: 170^th place)

tycho.usno.navy.mil

"USNO NAVSTAR Global Positioning System". U.S. Naval Observatory. Archived from the original on January 26, 2011. Retrieved January 7, 2011.
USNO NAVSTAR Global Positioning System Archived February 8, 2006, at the Wayback Machine. Retrieved May 14, 2006.

nrl.navy.mil

"NRL Launched First Time-Based Navigation Satellite in 1967". U.S. Naval Research Laboratory. Retrieved January 5, 2025.

nbcnews.com (Global: 137^th place; English: 101^st place)

Brunker, Mike (August 8, 2016). "GPS Under Attack as Crooks, Rogue Workers Wage Electronic War". NBC News. Archived from the original on March 6, 2019. Retrieved December 15, 2021.

newspapers.com (Global: 55^th place; English: 36^th place)

Dore, Richard (September 16, 1979). "Navstar – Global system will provide accurate data for navigation". The Daily Breeze. Torrance, California. p. 91. Archived from the original on May 23, 2023. Retrieved May 23, 2023 – via Newspapers.com.
Dore, Richard (September 16, 1979). "Satellite technology key to GPS". The Daily Breeze. Torrance, California. p. 97. Archived from the original on May 23, 2023. Retrieved May 23, 2023 – via Newspapers.com.

nih.gov (Global: 4^th place; English: 4^th place)

ncbi.nlm.nih.gov

Braund, Taylor A.; Zin, May The; Boonstra, Tjeerd W.; Wong, Quincy J. J.; Larsen, Mark E.; Christensen, Helen; Tillman, Gabriel; O'Dea, Bridianne (May 4, 2022). "Smartphone Sensor Data for Identifying and Monitoring Symptoms of Mood Disorders: A Longitudinal Observational Study". JMIR Mental Health. 9 (5) e35549. doi:10.2196/35549. PMC 9118091. PMID 35507385.
Ashby, Neil (2003). "Relativity in the Global Positioning System". Living Reviews in Relativity. 6 (1) 1. Bibcode:2003LRR.....6....1A. doi:10.12942/lrr-2003-1. ISSN 1433-8351. PMC 5253894. PMID 28163638.

pubmed.ncbi.nlm.nih.gov

Braund, Taylor A.; Zin, May The; Boonstra, Tjeerd W.; Wong, Quincy J. J.; Larsen, Mark E.; Christensen, Helen; Tillman, Gabriel; O'Dea, Bridianne (May 4, 2022). "Smartphone Sensor Data for Identifying and Monitoring Symptoms of Mood Disorders: A Longitudinal Observational Study". JMIR Mental Health. 9 (5) e35549. doi:10.2196/35549. PMC 9118091. PMID 35507385.
Ashby, Neil (2003). "Relativity in the Global Positioning System". Living Reviews in Relativity. 6 (1) 1. Bibcode:2003LRR.....6....1A. doi:10.12942/lrr-2003-1. ISSN 1433-8351. PMC 5253894. PMID 28163638.

nist.gov (Global: 355^th place; English: 454^th place)

nist.gov

"How Do You Measure Your Location Using GPS?". NIST. National Institute of Standards and Technology. March 17, 2021. Retrieved March 7, 2022.

tf.nist.gov

"Common View GPS Time Transfer". nist.gov. Archived from the original on October 28, 2012. Retrieved July 23, 2011.

nmea.org (Global: low place; English: low place)

"Publications and Standards from the National Marine Electronics Association (NMEA)". National Marine Electronics Association. Archived from the original on August 4, 2009. Retrieved June 27, 2008.

noaa.gov (Global: 212^th place; English: 172^nd place)

ngs.woc.noaa.gov

"GPS & Selective Availability Q&A" (PDF). NOAA. Archived from the original (PDF) on September 21, 2005. Retrieved May 28, 2010.

oceanservice.noaa.gov

"The Global Positioning System: Global Positioning Tutorial". oceanservice.noaa.gov. Retrieved January 5, 2025.

npr.org (Global: 92^nd place; English: 72^nd place)

Hegyi, Nate; Wong, Wailin (September 27, 2024). "Losing GPS would cost the U.S. $1 billion a day. So why is there no backup?". NPR.

nus.edu.sg (Global: 2,776^th place; English: 2,052^nd place)

math.nus.edu.sg

"Modern navigation". math.nus.edu.sg. Archived from the original on December 26, 2017. Retrieved December 4, 2018.

osd.mil (Global: 4,000^th place; English: 3,127^th place)

dote.osd.mil

"Excalibur Family of Artillery Projectiles". FY2003 Annual Report (PDF) (Report). Director, Operational Test and Evaluation. 2003. p. 69. Archived (PDF) from the original on October 18, 2021. Retrieved May 23, 2023.
"Excalibur XM982 Precision Engagement Projectiles". FY2010 Annual Report (PDF) (Report). Director, Operational Test and Evaluation. December 2010. pp. 65–66. Archived (PDF) from the original on November 15, 2022. Retrieved May 23, 2023.

osti.gov (Global: 2,036^th place; English: 1,254^th place)

McCrady, Dennis D. (August 1994). The GPS Burst Detector W-Sensor (Report). Sandia National Laboratories. OSTI 10176800.

pdana.com (Global: low place; English: low place)

Peter H. Dana; Bruce M Penrod (July–August 1990). "The Role of GPS in Precise Time and Frequency Dissemination" (PDF). GPS World. Archived (PDF) from the original on December 15, 2012. Retrieved April 27, 2014 – via P Dana.

phys.org (Global: 1,283^rd place; English: 1,130^th place)

"China launches final satellite in GPS-like Beidou system". phys.org. The Associated Press. June 23, 2020. Archived from the original on June 24, 2020. Retrieved June 24, 2020.

pnt.gov (Global: low place; English: low place)

"National Executive Committee for Space-Based Positioning, Navigation, and Timing". Pnt.gov. Archived from the original on May 28, 2010. Retrieved October 15, 2010.

popularmechanics.com (Global: 1,808^th place; English: 1,159^th place)

Mizokami, Kyle (April 5, 2016). "North Korea Is Jamming GPS Signals". Popular Mechanics. Archived from the original on March 6, 2019. Retrieved March 3, 2019.

psu.edu (Global: 207^th place; English: 136^th place)

citeseerx.ist.psu.edu

Sirola, Niilo (March 2010). "Closed-form algorithms in mobile positioning: Myths and misconceptions". 7th Workshop on Positioning Navigation and Communication. WPNC 2010. pp. 38–44. CiteSeerX 10.1.1.966.9430. doi:10.1109/WPNC.2010.5653789.

radioshack.com (Global: low place; English: low place)

support.radioshack.com

"A Guide to the Global Positioning System (GPS) – GPS Timeline". Radio Shack. Archived from the original on February 13, 2010. Retrieved January 14, 2010.

rand.org (Global: 2,921^st place; English: 2,118^th place)

Scott Pace, Gerald P. Frost, Irving Lachow, David R. Frelinger, Donna Fossum, Don Wassem, Monica M. Pinto. The Global Positioning System Assessing National Policies, Rand Corporation, 1995, Appendix B. Archived March 4, 2016, at the Wayback Machine, GPS History, Chronology, and Budgets.
The Global Positioning System: Assessing National Policies Archived December 30, 2015, at the Wayback Machine, p.245. RAND corporation

reaganlibrary.gov (Global: low place; English: low place)

"Statement by Deputy Press Secretary Speakes on the Soviet Attack on a Korean Civilian Airliner | Ronald Reagan". www.reaganlibrary.gov. Retrieved May 27, 2025.

rewiresecurity.co.uk (Global: low place; English: low place)

"Origin of Global Positioning System (GPS)". Rewire Security. Archived from the original on February 11, 2017. Retrieved February 9, 2017.

rntfnd.org (Global: low place; English: low place)

"Russia Undermining World's Confidence in GPS". April 30, 2018. Archived from the original on March 6, 2019. Retrieved March 3, 2019.
"China Jamming US Forces' GPS". September 26, 2016. Archived from the original on March 6, 2019. Retrieved March 3, 2019.

sandia.gov (Global: low place; English: low place)

Sandia National Laboratory's Nonproliferation programs and arms control technology Archived September 28, 2006, at the Wayback Machine

saveourgps.org (Global: low place; English: low place)

"Coalition to Save Our GPS". Saveourgps.org. Archived from the original on October 30, 2011. Retrieved November 6, 2011.
"SIS DOD Response Statement" (PDF). Archived from the original (PDF) on December 13, 2012.
"Coalition to Save Our GPS". Saveourgps.org. Archived from the original on October 24, 2011. Retrieved November 6, 2011.

sciencedirect.com (Global: 149^th place; English: 178^th place)

Zhao, Xilei; Xu, Yiming; Lovreglio, Ruggiero; Kuligowski, Erica; Nilsson, Daniel; Cova, Thomas J.; Wu, Alex; Yan, Xiang (June 1, 2022). "Estimating wildfire evacuation decision and departure timing using large-scale GPS data". Transportation Research Part D: Transport and Environment. 107 103277. arXiv:2109.07745. Bibcode:2022TRPD..10703277Z. doi:10.1016/j.trd.2022.103277. ISSN 1361-9209.
Yang, Zhuo; Franz, Mark L.; Zhu, Shanjiang; Mahmoudi, Jina; Nasri, Arefeh; Zhang, Lei (January 1, 2018). "Analysis of Washington, DC taxi demand using GPS and land-use data". Journal of Transport Geography. 66: 35–44. Bibcode:2018JTGeo..66...35Y. doi:10.1016/j.jtrangeo.2017.10.021. ISSN 0966-6923.

scientificamerican.com (Global: 896^th place; English: 674^th place)

Greenemeier, Larry. "GPS and the World's First "Space War"". Scientific American. Archived from the original on February 8, 2016. Retrieved February 8, 2016.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Hegarty, Christopher J.; Chatre, Eric (December 2008). "Evolution of the Global Navigation SatelliteSystem (GNSS)". Proceedings of the IEEE. 96 (12): 1902–1917. doi:10.1109/JPROC.2008.2006090. ISSN 0018-9219. S2CID 838848.
Agnew, D.C.; Larson, K.M. (2007). "Finding the repeat times of the GPS constellation". GPS Solutions. 11 (1): 71–76. doi:10.1007/s10291-006-0038-4. S2CID 59397640. This article from author's web site Archived February 16, 2008, at the Wayback Machine, with minor correction.
Hadas, T.; Krypiak-Gregorczyk, A.; Hernández-Pajares, M.; Kaplon, J.; Paziewski, J.; Wielgosz, P.; Garcia-Rigo, A.; Kazmierski, K.; Sosnica, K.; Kwasniak, D.; Sierny, J.; Bosy, J.; Pucilowski, M.; Szyszko, R.; Portasiak, K.; Olivares-Pulido, G.; Gulyaeva, T.; Orus-Perez, R. (November 2017). "Impact and Implementation of Higher-Order Ionospheric Effects on Precise GNSS Applications: Higher-Order Ionospheric Effects in GNSS". Journal of Geophysical Research: Solid Earth. 122 (11): 9420–9436. doi:10.1002/2017JB014750. hdl:2117/114538. S2CID 54069697.
Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (August 2013). "Impact of loading displacements on SLR-derived parameters and on the consistency between GNSS and SLR results" (PDF). Journal of Geodesy. 87 (8): 751–769. Bibcode:2013JGeod..87..751S. doi:10.1007/s00190-013-0644-1. S2CID 56017067. Archived (PDF) from the original on March 15, 2021. Retrieved March 2, 2021.
Glaser, Susanne; Fritsche, Mathias; Sośnica, Krzysztof; Rodríguez-Solano, Carlos Javier; Wang, Kan; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus; Dietrich, Reinhard (December 2015). "A consistent combination of GNSS and SLR with minimum constraints". Journal of Geodesy. 89 (12): 1165–1180. Bibcode:2015JGeod..89.1165G. doi:10.1007/s00190-015-0842-0. S2CID 118344484.
Strugarek, Dariusz; Sośnica, Krzysztof; Jäggi, Adrian (January 2019). "Characteristics of GOCE orbits based on Satellite Laser Ranging". Advances in Space Research. 63 (1): 417–431. Bibcode:2019AdSpR..63..417S. doi:10.1016/j.asr.2018.08.033. S2CID 125791718.
Sośnica, K.; Bury, G.; Zajdel, R. (March 16, 2018). "Contribution of Multi-GNSS Constellation to SLR-Derived Terrestrial Reference Frame". Geophysical Research Letters. 45 (5): 2339–2348. Bibcode:2018GeoRL..45.2339S. doi:10.1002/2017GL076850. S2CID 134160047.
Hoshen, J. (1996). "The GPS Equations and the Problem of Apollonius". IEEE Transactions on Aerospace and Electronic Systems. 32 (3): 1116–1124. Bibcode:1996ITAES..32.1116H. doi:10.1109/7.532270. S2CID 30190437.
Grafarend, Erik W. (2002). "GPS Solutions: Closed Forms, Critical and Special Configurations of P4P". GPS Solutions. 5 (3): 29–41. Bibcode:2002GPSS....5...29G. doi:10.1007/PL00012897. S2CID 121336108.
Bancroft, S. (January 1985). "An Algebraic Solution of the GPS Equations". IEEE Transactions on Aerospace and Electronic Systems. AES-21 (1): 56–59. Bibcode:1985ITAES..21...56B. doi:10.1109/TAES.1985.310538. S2CID 24431129.
Chwedczuk, Katarzyna; Cienkosz, Daniel; Apollo, Michal; Borowski, Lukasz; Lewinska, Paulina; Guimarães Santos, Celso Augusto; Eborka, Kennedy; Kulshreshtha, Sandeep; Romero-Andrade, Rosendo; Sedeek, Ahmed; Liibusk, Aive; MacIuk, Kamil (2022). "Challenges related to the determination of altitudes of mountain peaks presented on cartographic sources". Geodetski Vestnik. 66: 49–59. doi:10.15292/geodetski-vestnik.2022.01.49-59. S2CID 247985456.

space.com (Global: 936^th place; English: 713^th place)

Howell, Elizabeth. "Navstar: GPS Satellite Network". SPACE.com. Archived from the original on February 17, 2013. Retrieved February 14, 2013.

spaceflightnow.com (Global: 2,930^th place; English: 2,204^th place)

"Recap story: Three Atlas 5 launch successes in one month". October 31, 2015. Archived from the original on November 1, 2015. Retrieved October 31, 2015.

spaceforce.mil (Global: 7,813^th place; English: 4,791^st place)

losangeles.spaceforce.mil

"Factsheets: GPS Advanced Control Segment (OCX)". Losangeles.af.mil. October 25, 2011. Archived from the original on May 3, 2012. Retrieved November 6, 2011.
"losangeles.af.mil". losangeles.af.mil. September 17, 2007. Archived from the original on May 11, 2011. Retrieved October 15, 2010.
"Contract Award for Next Generation GPS Control Segment Announced". Los Angeles Air Force Base. February 25, 2010. Archived from the original on July 23, 2013. Retrieved December 14, 2012.
GPS Overview from the NAVSTAR Joint Program Office . Retrieved December 15, 2006.
"Interface Specification IS-GPS-200, Revision D: Navstar GPS Space Segment/Navigation User Interfaces". Navstar GPS Joint Program Office. p. 103. Archived (PDF) from the original on September 8, 2012.
"Air Force Successfully Transmits an L5 Signal From GPS IIR-20(M) Satellite". LA AFB News Release. Archived from the original on May 21, 2011. Retrieved June 20, 2011.

petersonschriever.spaceforce.mil

"2nd Space Operations Squadron". Peterson and Schriever Space Force Base. Retrieved October 15, 2024.

spacetechhalloffame.org (Global: low place; English: low place)

"Inducted Technologies / 1998: Global Positioning System (GPS)". Space Technology Hall of Fame. Archived from the original on June 12, 2012.

spacewatch.global (Global: low place; English: low place)

Kriening, Torsten (January 23, 2019). "Japan Prepares for GPS Failure with Quasi-Zenith Satellites". SpaceWatch.Global. Archived from the original on April 19, 2019. Retrieved August 10, 2019.

swiftnav.com (Global: low place; English: low place)

"Developments in Modern GNSS and Its Impact on Autonomous Vehicle Architectures". www.swiftnav.com. February 13, 2020. Retrieved June 11, 2025.

taylorfrancis.com (Global: 3,142^nd place; English: 2,072^nd place)

Sickle, Jan Van (October 10, 2011). GPS for Land Surveyors (3 ed.). Boca Raton: CRC Press. doi:10.4324/9780203305225. ISBN 978-0-429-14911-5.

techtarget.com (Global: 2,435^th place; English: 1,699^th place)

whatis.techtarget.com

Rouse, Margaret (December 2016). "What is geo-fencing (geofencing)?". WhatIs.com. Newton, Massachusetts: TechTarget. Retrieved January 26, 2020.

theguardian.com (Global: 12^th place; English: 11^th place)

Mohdin, Aamna (November 19, 2020). "Gladys West: the hidden figure who helped invent GPS". The Guardian. ISSN 0261-3077. Retrieved November 29, 2023.
Johnson, Bobbie (May 19, 2009). "GPS system 'close to breakdown'". The Guardian. London. Archived from the original on September 26, 2013. Retrieved December 8, 2009.

thespacereview.com (Global: 9,535^th place; English: 6,953^rd place)

Hendrickx, Bart (December 19, 2022). "The secret payloads of Russia's Glonass navigation satellites". The Space Review. Archived from the original on December 20, 2022. Retrieved December 20, 2022.

thesunnews.com (Global: low place; English: low place)

Tessler, Joelle (April 7, 2011). "Internet network may jam GPS in cars, jets". The Sun News. Archived from the original on May 1, 2011. Retrieved April 7, 2011.

theverge.com (Global: 114^th place; English: 90^th place)

Kastrenakes, Jacob (September 25, 2017). "GPS will be accurate within one foot in some phones next year". The Verge. Archived from the original on January 18, 2018. Retrieved January 17, 2018.

trimble.com (Global: low place; English: low place)

"Why Did the Department of Defense Develop GPS?". Trimble Navigation Ltd. Archived from the original on October 18, 2007. Retrieved January 13, 2010.

ucar.edu (Global: 7,843^rd place; English: 5,892^nd place)

www2.ucar.edu

"Using GPS to improve tropical cyclone forecasts". ucar.edu. Archived from the original on May 28, 2015. Retrieved May 28, 2015.

ulalaunch.com (Global: low place; English: low place)

"United Launch Alliance Successfully Launches GPS IIF-12 Satellite for U.S. Air Force". www.ulalaunch.com. Archived from the original on February 28, 2018. Retrieved February 27, 2018.

unibe.ch (Global: 2,608^th place; English: 3,516^th place)

boris.unibe.ch

Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (August 2013). "Impact of loading displacements on SLR-derived parameters and on the consistency between GNSS and SLR results" (PDF). Journal of Geodesy. 87 (8): 751–769. Bibcode:2013JGeod..87..751S. doi:10.1007/s00190-013-0644-1. S2CID 56017067. Archived (PDF) from the original on March 15, 2021. Retrieved March 2, 2021.
Glaser, Susanne; Fritsche, Mathias; Sośnica, Krzysztof; Rodríguez-Solano, Carlos Javier; Wang, Kan; Dach, Rolf; Hugentobler, Urs; Rothacher, Markus; Dietrich, Reinhard (December 2015). "A consistent combination of GNSS and SLR with minimum constraints". Journal of Geodesy. 89 (12): 1165–1180. Bibcode:2015JGeod..89.1165G. doi:10.1007/s00190-015-0842-0. S2CID 118344484.

unr.edu (Global: low place; English: 6,317^th place)

nbmg.unr.edu

section 4 beginning on page 15 Geoffrey Blewitt: Basics of the GPS Technique Archived September 22, 2013, at the Wayback Machine

unsw.edu.au (Global: 4,584^th place; English: 3,029^th place)

gmat.unsw.edu.au

"The GPS Satellite Constellation". gmat.unsw.edu.au. Archived from the original on October 22, 2011. Retrieved October 27, 2011.

uscg.gov (Global: low place; English: 9,986^th place)

navcen.uscg.gov

"GPS Constellation Status for 08/26/2015". Archived from the original on September 5, 2015. Retrieved August 26, 2015.
"GPS almanacs". Navcen.uscg.gov. Archived from the original on September 23, 2010. Retrieved October 15, 2010.
"NAVSTAR GPS User Equipment Introduction" (PDF). United States Government. Archived (PDF) from the original on September 10, 2008. Retrieved August 22, 2008. Chapter 7
"USCG Navcen: GPS Frequently Asked Questions". Archived from the original on April 30, 2011. Retrieved January 31, 2007.
"Notice Advisory to Navstar Users (NANU) 2016069". GPS Operations Center. Archived from the original on May 25, 2017. Retrieved June 25, 2017.
"GPS Almanacs, NANUS, and Ops Advisories (including archives)". GPS Almanac Information. United States Coast Guard. Archived from the original on July 12, 2010. Retrieved September 9, 2009.

usembassy.gov (Global: 2,130^th place; English: 1,767^th place)

iipdigital.usembassy.gov

"United States Updates Global Positioning System Technology". America.gov. February 3, 2006. Archived from the original on October 9, 2013. Retrieved June 17, 2019.

vuw.ac.nz (Global: low place; English: low place)

blackboard.vuw.ac.nz

"Blackboard" (PDF).

web.archive.org (Global: 1^st place; English: 1^st place)

United States Department of Defense (September 2008). "Global Positioning System Standard Positioning Service Performance Standard" (PDF) (4th ed.). Archived (PDF) from the original on April 27, 2017. Retrieved April 21, 2017.
Science Reference Section (November 19, 2019). "What is a GPS? How does it work?". Everyday Mysteries. Library of Congress. Archived from the original on April 12, 2022. Retrieved April 12, 2022.
National Coordination Office for Space-Based Positioning, Navigation, and Timing (February 22, 2021). "What is GPS?". Archived from the original on May 6, 2021. Retrieved May 5, 2021.
National Coordination Office for Space-Based Positioning, Navigation, and Timing (March 3, 2022). "GPS Accuracy". GPS.gov. Archived from the original on April 12, 2022. Retrieved April 12, 2022.
"Factsheets: GPS Advanced Control Segment (OCX)". Losangeles.af.mil. October 25, 2011. Archived from the original on May 3, 2012. Retrieved November 6, 2011.
Kastrenakes, Jacob (September 25, 2017). "GPS will be accurate within one foot in some phones next year". The Verge. Archived from the original on January 18, 2018. Retrieved January 17, 2018.
Moore, Samuel K. (September 21, 2017). "Superaccurate GPS Chips Coming to Smartphones in 2018". IEEE Spectrum. Archived from the original on January 18, 2018. Retrieved January 17, 2018.
Ann Darrin; Beth L. O'Leary (June 26, 2009). Handbook of Space Engineering, Archaeology, and Heritage. CRC Press. pp. 239–240. ISBN 978-1-4200-8432-0. Archived from the original on August 14, 2021. Retrieved July 28, 2021.
Butterly, Amelia (May 20, 2018). "100 Women: Gladys West – the 'hidden figure' of GPS". BBC News. Archived from the original on February 13, 2019. Retrieved January 17, 2019.
Relativistische Zeitdilatation eines künstlichen Satelliten (Relativistic time dilation of an artificial satellite. Astronautica Acta II (in German) (25). Retrieved October 19, 2014. Archived from the original on July 3, 2014. Retrieved October 20, 2014.
Guier, William H.; Weiffenbach, George C. (1997). "Genesis of Satellite Navigation" (PDF). Johns Hopkins APL Technical Digest. 19 (1): 178–181. Archived from the original (PDF) on May 12, 2012. Retrieved April 9, 2012.
Worth, Helen E.; Warren, Mame (2009). Transit to Tomorrow. Fifty Years of Space Research at The Johns Hopkins University Applied Physics Laboratory (PDF). Archived (PDF) from the original on December 26, 2020. Retrieved March 3, 2013.
Alexandrow, Catherine (April 2008). "The Story of GPS". Archived from the original on February 24, 2013.
DARPA: 50 Years of Bridging the Gap. April 2008. Archived from the original on May 6, 2011.
Howell, Elizabeth. "Navstar: GPS Satellite Network". SPACE.com. Archived from the original on February 17, 2013. Retrieved February 14, 2013.
Proc, Jerry. "Omega". Jproc.ca. Archived from the original on January 5, 2010. Retrieved December 8, 2009.
"Why Did the Department of Defense Develop GPS?". Trimble Navigation Ltd. Archived from the original on October 18, 2007. Retrieved January 13, 2010.
"Charting a Course Toward Global Navigation". The Aerospace Corporation. Archived from the original on November 1, 2002. Retrieved October 14, 2013.
"A Guide to the Global Positioning System (GPS) – GPS Timeline". Radio Shack. Archived from the original on February 13, 2010. Retrieved January 14, 2010.
"Geodetic Explorer – A Press Kit" (PDF). NASA. October 29, 1965. Archived (PDF) from the original on February 11, 2014. Retrieved October 20, 2015.
"SECOR Chronology". Mark Wade's Encyclopedia Astronautica. Archived from the original on January 16, 2010. Retrieved January 19, 2010.
"MX Deployment Reconsidered". au.af.mil. Archived from the original on June 25, 2017. Retrieved June 7, 2013.
Dick, Steven; Launius, Roger (2007). Societal Impact of Spaceflight (PDF). Washington, DC: US Government Printing Office. p. 331. ISBN 978-0-16-080190-7. Archived (PDF) from the original on March 3, 2013. Retrieved July 20, 2019.
"ION Fellow – Mr. John A. Klobuchar". www.ion.org. Archived from the original on October 4, 2017. Retrieved June 17, 2017.
"GPS Signal Science". harveycohen.net. Archived from the original on May 29, 2017.
"ICAO Completes Fact-Finding Investigation". International Civil Aviation Organization. Archived from the original on May 17, 2008. Retrieved September 15, 2008.
"United States Updates Global Positioning System Technology". America.gov. February 3, 2006. Archived from the original on October 9, 2013. Retrieved June 17, 2019.
Rumerman, Judy A. (2009). NASA Historical Data Book, Volume VII (PDF). NASA. p. 136. Archived (PDF) from the original on December 25, 2017. Retrieved July 12, 2017.
Scott Pace, Gerald P. Frost, Irving Lachow, David R. Frelinger, Donna Fossum, Don Wassem, Monica M. Pinto. The Global Positioning System Assessing National Policies, Rand Corporation, 1995, Appendix B. Archived March 4, 2016, at the Wayback Machine, GPS History, Chronology, and Budgets.
"GPS & Selective Availability Q&A" (PDF). NOAA. Archived from the original (PDF) on September 21, 2005. Retrieved May 28, 2010.
Steitz, David E. "National Positioning, Navigation and Timing Advisory Board Named". Archived from the original on January 13, 2010. Retrieved March 22, 2007.
GPS Wing Reaches GPS III IBR Milestone Archived May 23, 2013, at the Wayback Machine in Inside GNSS November 10, 2008
"GPS Constellation Status for 08/26/2015". Archived from the original on September 5, 2015. Retrieved August 26, 2015.
"Recap story: Three Atlas 5 launch successes in one month". October 31, 2015. Archived from the original on November 1, 2015. Retrieved October 31, 2015.
"GPS almanacs". Navcen.uscg.gov. Archived from the original on September 23, 2010. Retrieved October 15, 2010.
"Origin of Global Positioning System (GPS)". Rewire Security. Archived from the original on February 11, 2017. Retrieved February 9, 2017.
Dore, Richard (September 16, 1979). "Navstar – Global system will provide accurate data for navigation". The Daily Breeze. Torrance, California. p. 91. Archived from the original on May 23, 2023. Retrieved May 23, 2023 – via Newspapers.com.
Dore, Richard (September 16, 1979). "Satellite technology key to GPS". The Daily Breeze. Torrance, California. p. 97. Archived from the original on May 23, 2023. Retrieved May 23, 2023 – via Newspapers.com.
"AF Space Command Chronology". USAF Space Command. Archived from the original on August 17, 2011. Retrieved June 20, 2011.
"FactSheet: 2nd Space Operations Squadron". USAF Space Command. Archived from the original on June 11, 2011. Retrieved June 20, 2011.
The Global Positioning System: Assessing National Policies Archived December 30, 2015, at the Wayback Machine, p.245. RAND corporation
"USNO NAVSTAR Global Positioning System". U.S. Naval Observatory. Archived from the original on January 26, 2011. Retrieved January 7, 2011.
National Archives and Records Administration. U.S. Global Positioning System Policy Archived April 6, 2006, at the Wayback Machine. March 29, 1996.
"National Executive Committee for Space-Based Positioning, Navigation, and Timing". Pnt.gov. Archived from the original on May 28, 2010. Retrieved October 15, 2010.
"Assisted-GPS Test Calls for 3G WCDMA Networks". 3g.co.uk. November 10, 2004. Archived from the original on November 27, 2010. Retrieved November 24, 2010.
"Press release: First Modernized GPS Satellite Built by Lockheed Martin Launched Successfully by the U.S. Air Force – Sep 26, 2005". Lockheed Martin. Archived from the original on August 10, 2017. Retrieved August 9, 2017.
"losangeles.af.mil". losangeles.af.mil. September 17, 2007. Archived from the original on May 11, 2011. Retrieved October 15, 2010.
Johnson, Bobbie (May 19, 2009). "GPS system 'close to breakdown'". The Guardian. London. Archived from the original on September 26, 2013. Retrieved December 8, 2009.
Coursey, David (May 21, 2009). "Air Force Responds to GPS Outage Concerns". ABC News. Archived from the original on May 23, 2009. Retrieved May 22, 2009.
Elliott, Dan (June 1, 2010). "Air Force GPS Problem: Glitch Shows How Much U.S. Military Relies On GPS". The Huffington Post. Archived from the original on May 11, 2011. Retrieved October 15, 2010.
"Contract Award for Next Generation GPS Control Segment Announced". Los Angeles Air Force Base. February 25, 2010. Archived from the original on July 23, 2013. Retrieved December 14, 2012.
"President announces Roger Easton recipient of National Medal of Technology". EurekAlert!. United States Naval Research Laboratory. November 22, 2005. Archived from the original on October 11, 2007.
"Inducted Technologies / 1998: Global Positioning System (GPS)". Space Technology Hall of Fame. Archived from the original on June 12, 2012.
Williams Jr., Richard A. (October 5, 2011). "GPS Program Receives International Award". GPS.gov. Archived from the original on May 13, 2017. Retrieved December 24, 2018.
"Mathematician inducted into Space and Missiles Pioneers Hall of Fame". Air Force Space Command. December 7, 2018. Archived from the original on June 3, 2019. Retrieved August 3, 2021.
Amos, Jonathan (February 12, 2019). "Queen Elizabeth Prize for Engineering: GPS pioneers lauded". BBC News. Archived from the original on April 6, 2019. Retrieved April 6, 2019.
Nelson, Jon (June 19, 2019). "What Is an Atomic Clock?". NASA. Archived from the original on April 5, 2023. Retrieved April 4, 2023.
zur Bonsen, Georg; Ammann, Daniel; Ammann, Michael; Favey, Etienne; Flammant, Pascal (April 1, 2005). "Continuous Navigation Combining GPS with Sensor-Based Dead Reckoning". GPS World. Archived from the original on November 11, 2006.
"NAVSTAR GPS User Equipment Introduction" (PDF). United States Government. Archived (PDF) from the original on September 10, 2008. Retrieved August 22, 2008. Chapter 7
"GPS Support Notes" (PDF). January 19, 2007. Archived from the original (PDF) on March 27, 2009. Retrieved November 10, 2008.
"Global Positioning System". Gps.gov. Archived from the original on July 30, 2010. Retrieved June 26, 2010.
Dana, Peter H. (August 8, 1996). "GPS Orbital Planes". Archived from the original (GIF) on January 26, 2018. Retrieved February 27, 2006.
What the Global Positioning System Tells Us about Relativity Archived January 4, 2007, at the Wayback Machine. Retrieved January 2, 2007.
"The GPS Satellite Constellation". gmat.unsw.edu.au. Archived from the original on October 22, 2011. Retrieved October 27, 2011.
"USCG Navcen: GPS Frequently Asked Questions". Archived from the original on April 30, 2011. Retrieved January 31, 2007.
Thomassen, Keith. "How GPS Works". avionicswest.com. Archived from the original on March 30, 2016. Retrieved April 22, 2014.
Agnew, D.C.; Larson, K.M. (2007). "Finding the repeat times of the GPS constellation". GPS Solutions. 11 (1): 71–76. doi:10.1007/s10291-006-0038-4. S2CID 59397640. This article from author's web site Archived February 16, 2008, at the Wayback Machine, with minor correction.
"Space Segment". GPS.gov. Archived from the original on July 18, 2019. Retrieved July 27, 2019.
Massatt, Paul; Wayne Brady (Summer 2002). "Optimizing performance through constellation management" (PDF). Crosslink: 17–21. Archived from the original on January 25, 2012.
USNO NAVSTAR Global Positioning System Archived February 8, 2006, at the Wayback Machine. Retrieved May 14, 2006.
"The USA's GPS-III Satellites". Defense Industry Daily. October 13, 2011. Archived from the original on October 18, 2011. Retrieved October 27, 2011.
"GPS Completes Next Generation Operational Control System PDR". Air Force Space Command News Service. September 14, 2011. Archived from the original on October 2, 2011.
"GLOBAL POSITIONING SYSTEM: Updated Schedule Assessment Could Help Decision Makers Address Likely Delays Related to New Ground Control System" (PDF). US Government Accounting Office. May 2019. Archived (PDF) from the original on September 10, 2019. Retrieved August 24, 2019.
"Publications and Standards from the National Marine Electronics Association (NMEA)". National Marine Electronics Association. Archived from the original on August 4, 2009. Retrieved June 27, 2008.
Sośnica, Krzysztof; Thaller, Daniela; Dach, Rolf; Jäggi, Adrian; Beutler, Gerhard (August 2013). "Impact of loading displacements on SLR-derived parameters and on the consistency between GNSS and SLR results" (PDF). Journal of Geodesy. 87 (8): 751–769. Bibcode:2013JGeod..87..751S. doi:10.1007/s00190-013-0644-1. S2CID 56017067. Archived (PDF) from the original on March 15, 2021. Retrieved March 2, 2021.
"Common View GPS Time Transfer". nist.gov. Archived from the original on October 28, 2012. Retrieved July 23, 2011.
"Using GPS to improve tropical cyclone forecasts". ucar.edu. Archived from the original on May 28, 2015. Retrieved May 28, 2015.
"GPS Helps Robots Get the Job Done". www.asme.org. Archived from the original on August 3, 2021. Retrieved August 3, 2021.
"The Use of GPS Tracking Technology in Australian Football". September 6, 2012. Archived from the original on September 27, 2016. Retrieved September 25, 2016.
"The Pacific Northwest Geodetic Array". cwu.edu. Archived from the original on September 11, 2014. Retrieved October 10, 2014.
Arms Control Association.Missile Technology Control Regime Archived September 16, 2008, at the Wayback Machine. Retrieved May 17, 2006.
Sinha, Vandana (July 24, 2003). "Commanders and Soldiers' GPS-receivers". Gcn.com. Archived from the original on September 21, 2009. Retrieved October 13, 2009.
"Excalibur Family of Artillery Projectiles". FY2003 Annual Report (PDF) (Report). Director, Operational Test and Evaluation. 2003. p. 69. Archived (PDF) from the original on October 18, 2021. Retrieved May 23, 2023.
"Excalibur XM982 Precision Engagement Projectiles". FY2010 Annual Report (PDF) (Report). Director, Operational Test and Evaluation. December 2010. pp. 65–66. Archived (PDF) from the original on November 15, 2022. Retrieved May 23, 2023.
Sandia National Laboratory's Nonproliferation programs and arms control technology Archived September 28, 2006, at the Wayback Machine
"US Air Force Eyes Changes To National Security Satellite Programs". Aviationweek.com. January 18, 2013. Archived from the original on September 22, 2013. Retrieved September 28, 2013.
Greenemeier, Larry. "GPS and the World's First "Space War"". Scientific American. Archived from the original on February 8, 2016. Retrieved February 8, 2016.
"GPS jamming is a growing threat to satellite navigation, positioning, and precision timing". www.militaryaerospace.com. June 28, 2016. Archived from the original on March 6, 2019. Retrieved March 3, 2019.
Brunker, Mike (August 8, 2016). "GPS Under Attack as Crooks, Rogue Workers Wage Electronic War". NBC News. Archived from the original on March 6, 2019. Retrieved December 15, 2021.
"Russia Undermining World's Confidence in GPS". April 30, 2018. Archived from the original on March 6, 2019. Retrieved March 3, 2019.
"China Jamming US Forces' GPS". September 26, 2016. Archived from the original on March 6, 2019. Retrieved March 3, 2019.
Mizokami, Kyle (April 5, 2016). "North Korea Is Jamming GPS Signals". Popular Mechanics. Archived from the original on March 6, 2019. Retrieved March 3, 2019.
"Iran Spokesman Confirms Mysterious Disruption Of GPS Signals In Tehran". Iran International. December 29, 2020. Archived from the original on July 12, 2021. Retrieved July 12, 2021.
"Evidence shows Iran shot down Ukrainian plane 'intentionally' | AvaToday". July 12, 2021. Archived from the original on July 12, 2021. Retrieved July 12, 2021.
"Notice Advisory to Navstar Users (NANU) 2016069". GPS Operations Center. Archived from the original on May 25, 2017. Retrieved June 25, 2017.
Peter H. Dana; Bruce M Penrod (July–August 1990). "The Role of GPS in Precise Time and Frequency Dissemination" (PDF). GPS World. Archived (PDF) from the original on December 15, 2012. Retrieved April 27, 2014 – via P Dana.
"GPS time accurate to 100 nanoseconds". Galleon. Archived from the original on May 14, 2012. Retrieved October 12, 2012.
Fliegel, Henry F.; DiEsposti, Raymond S. (December 1996), GPS and relativity overview (PDF), El Segundo, CA: The Aerospace Corporation, archived from the original (PDF) on March 6, 2023, retrieved December 7, 2022
"Satellite message format". Gpsinformation.net. Archived from the original on November 1, 2010. Retrieved October 15, 2010.
Dana, Peter H. "GPS Week Number Rollover Issues". Archived from the original on February 25, 2013. Retrieved August 12, 2013.
"Interface Specification IS-GPS-200, Revision D: Navstar GPS Space Segment/Navigation User Interfaces". Navstar GPS Joint Program Office. p. 103. Archived (PDF) from the original on September 8, 2012.
Richharia, Madhavendra; Westbrook, Leslie David (2011). Satellite Systems for Personal Applications: Concepts and Technology. John Wiley & Sons. p. 443. ISBN 978-1-119-95610-5. Archived from the original on July 4, 2014. Retrieved February 28, 2017.
"United States Nuclear Detonation Detection System (USNDS)". Fas.org. Archived from the original on October 10, 2011. Retrieved November 6, 2011.
"First Block 2F GPS Satellite Launched, Needed to Prevent System Failure". DailyTech. Archived from the original on May 30, 2010. Retrieved May 30, 2010.
"United Launch Alliance Successfully Launches GPS IIF-12 Satellite for U.S. Air Force". www.ulalaunch.com. Archived from the original on February 28, 2018. Retrieved February 27, 2018.
"Air Force Successfully Transmits an L5 Signal From GPS IIR-20(M) Satellite". LA AFB News Release. Archived from the original on May 21, 2011. Retrieved June 20, 2011.
"The System: Test Data Predicts Disastrous GPS Jamming by FCC-Authorized Broadcaster". GPS World. March 1, 2011. Archived from the original on October 11, 2011. Retrieved November 6, 2011.
"Coalition to Save Our GPS". Saveourgps.org. Archived from the original on October 30, 2011. Retrieved November 6, 2011.
"LightSquared Tests Confirm GPS Jamming". Aviation Week. Archived from the original on August 12, 2011. Retrieved June 20, 2011.
"GPS Almanacs, NANUS, and Ops Advisories (including archives)". GPS Almanac Information. United States Coast Guard. Archived from the original on July 12, 2010. Retrieved September 9, 2009.
"George, M., Hamid, M.; and Miller, A. Gold Code Generators in Virtex Devices at the Internet Archive PDF.
section 4 beginning on page 15 Geoffrey Blewitt: Basics of the GPS Technique Archived September 22, 2013, at the Wayback Machine
"Global Positioning Systems" (PDF). Archived from the original (PDF) on July 19, 2011. Retrieved October 15, 2010.
Dana, Peter H. "Geometric Dilution of Precision (GDOP) and Visibility". University of Colorado at Boulder. Archived from the original on August 23, 2005. Retrieved July 7, 2008.
Dana, Peter H. "Receiver Position, Velocity, and Time". University of Colorado at Boulder. Archived from the original on August 23, 2005. Retrieved July 7, 2008.
"Modern navigation". math.nus.edu.sg. Archived from the original on December 26, 2017. Retrieved December 4, 2018.
Strang, Gilbert; Borre, Kai (1997). Linear Algebra, Geodesy, and GPS. SIAM. pp. 448–449. ISBN 978-0-9614088-6-2. Archived from the original on October 10, 2021. Retrieved May 22, 2018.
Holme, Audun (2010). Geometry: Our Cultural Heritage. Springer Science & Business Media. p. 338. ISBN 978-3-642-14441-7. Archived from the original on October 10, 2021. Retrieved May 22, 2018.
Hofmann-Wellenhof, B.; Legat, K.; Wieser, M. (2003). Navigation. Springer Science & Business Media. p. 36. ISBN 978-3-211-00828-7. Archived from the original on October 10, 2021. Retrieved May 22, 2018.
Groves, P. D. (2013). Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems, Second Edition. GNSS/GPS. Artech House. ISBN 978-1-60807-005-3. Archived from the original on March 15, 2021. Retrieved February 19, 2021.
Attewill, Fred. (February 13, 2013) Vehicles that use GPS jammers are big threat to aircraft Archived February 16, 2013, at the Wayback Machine. Metro.co.uk. Retrieved on August 2, 2013.
"Frequently Asked Questions About Selective Availability". National Coordination Office for Space-Based Positioning, Navigation, and Timing (PNT). October 2001. Archived from the original on June 16, 2015. Retrieved June 13, 2015. Selective Availability ended a few minutes past midnight EDT after the end of May 1, 2000. The change occurred simultaneously across the entire satellite constellation.
"2011 John Deere StarFire 3000 Operator Manual" (PDF). John Deere. Archived from the original (PDF) on January 5, 2012. Retrieved November 13, 2011.
"Federal Communications Commission Report and Order In the Matter of Fixed and Mobile Services in the Mobile Satellite Service Bands at 1525–1559 MHz and 1626.5–1660.5 MHz" (PDF). Federal Communications Commission. April 6, 2011. Archived from the original (PDF) on December 16, 2011. Retrieved December 13, 2011.
"Federal Communications Commission Table of Frequency Allocations" (PDF). Federal Communications Commission. November 18, 2011. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.
"FCC Docket File Number: SATASG2001030200017, "Mobile Satellite Ventures LLC Application for Assignment and Modification of Licenses and for Authority to Launch and Operate a Next-Generation Mobile Satellite System"". Federal Communications Commission. March 1, 2001. p. 9. Archived from the original on January 14, 2012. Retrieved December 14, 2011.
"Order on Reconsideration" (PDF). July 3, 2003. Archived (PDF) from the original on October 20, 2011. Retrieved October 20, 2015.
"Statement of Julius P. Knapp, Chief, Office of Engineering and Technology, Federal Communications Commission" (PDF). gps.gov. September 15, 2011. p. 3. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.
"FCC Order, Granted LightSquared Subsidiary LLC, a Mobile Satellite Service licensee in the L-Band, a conditional waiver of the Ancillary Terrestrial Component "integrated service" rule" (PDF). Federal Communications Commission. FCC.Gov. January 26, 2011. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.
"Javad Ashjaee GPS World webinar". gpsworld.com. December 8, 2011. Archived from the original on November 26, 2011. Retrieved December 13, 2011.
"FCC Order permitting mobile satellite services providers to provide an ancillary terrestrial component (ATC) to their satellite systems" (PDF). Federal Communications Commission. February 10, 2003. Archived (PDF) from the original on December 16, 2011. Retrieved December 13, 2011.
"Federal Communications Commission Fixed and Mobile Services in the Mobile Satellite Service". Federal Communications Commission. July 15, 2010. Archived from the original on May 27, 2012. Retrieved December 13, 2011.
"SIS DOD Response Statement" (PDF). Archived from the original (PDF) on December 13, 2012.
"Coalition to Save Our GPS". Saveourgps.org. Archived from the original on October 24, 2011. Retrieved November 6, 2011.
Carlisle, Jeff (June 23, 2011). "Testimony of Jeff Carlisle, LightSquared Executive Vice President of Regulatory Affairs and Public Policy to U.S. House Subcommittee on Aviation and Subcommittee on Coast Guard and Maritime Transportation" (PDF). Archived from the original (PDF) on September 29, 2011. Retrieved December 13, 2011.
Genachowski, Julius (May 31, 2011). "FCC Chairman Genachowski Letter to Senator Charles Grassley" (PDF). Archived from the original (PDF) on January 13, 2012. Retrieved December 13, 2011.
Tessler, Joelle (April 7, 2011). "Internet network may jam GPS in cars, jets". The Sun News. Archived from the original on May 1, 2011. Retrieved April 7, 2011.
FCC press release "Spokesperson Statement on NTIA Letter – LightSquared and GPS" Archived April 23, 2012, at the Wayback Machine. February 14, 2012. Accessed March 3, 2013.
Paul Riegler, FBT. "FCC Bars LightSquared Broadband Network Plan". Archived September 22, 2013, at the Wayback Machine. February 14, 2012. Retrieved February 14, 2012.
"Russia Launches Three More GLONASS-M Space Vehicles". Inside GNSS. Archived from the original on February 6, 2009. Retrieved December 26, 2008.
Jon (January 10, 2012). "GLONASS the future for all smartphones?". Clove Blog. Archived from the original on March 10, 2016. Retrieved October 29, 2016.
Hendrickx, Bart (December 19, 2022). "The secret payloads of Russia's Glonass navigation satellites". The Space Review. Archived from the original on December 20, 2022. Retrieved December 20, 2022.
"China launches final satellite in GPS-like Beidou system". phys.org. The Associated Press. June 23, 2020. Archived from the original on June 24, 2020. Retrieved June 24, 2020.
"Galileo navigation satellite system goes live". dw.com. Archived from the original on October 18, 2017. Retrieved December 17, 2016.
Kriening, Torsten (January 23, 2019). "Japan Prepares for GPS Failure with Quasi-Zenith Satellites". SpaceWatch.Global. Archived from the original on April 19, 2019. Retrieved August 10, 2019.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Mohdin, Aamna (November 19, 2020). "Gladys West: the hidden figure who helped invent GPS". The Guardian. ISSN 0261-3077. Retrieved November 29, 2023.
Hegarty, Christopher J.; Chatre, Eric (December 2008). "Evolution of the Global Navigation SatelliteSystem (GNSS)". Proceedings of the IEEE. 96 (12): 1902–1917. doi:10.1109/JPROC.2008.2006090. ISSN 0018-9219. S2CID 838848.
Abel, J. S.; Chaffee, J. W. (1991). "Existence and uniqueness of GPS solutions". IEEE Transactions on Aerospace and Electronic Systems. 27 (6). Institute of Electrical and Electronics Engineers (IEEE): 952–956. Bibcode:1991ITAES..27..952A. doi:10.1109/7.104271. ISSN 0018-9251.
Fang, B. T. (1992). "Comments on "Existence and uniqueness of GPS solutions" by J.S. Abel and J.W. Chaffee". IEEE Transactions on Aerospace and Electronic Systems. 28 (4). Institute of Electrical and Electronics Engineers (IEEE): 1163. doi:10.1109/7.165379. ISSN 0018-9251.
Zajdel, Radosław; Sośnica, Krzysztof; Bury, Grzegorz; Dach, Rolf; Prange, Lars; Kazmierski, Kamil (January 2021). "Sub-daily polar motion from GPS, GLONASS, and Galileo". Journal of Geodesy. 95 (1): 3. Bibcode:2021JGeod..95....3Z. doi:10.1007/s00190-020-01453-w. ISSN 0949-7714.
Wesche, Christine; Eisen, Olaf; Oerter, Hans; Schulte, Daniel; Steinhage, Daniel (January 2007). "Surface topography and ice flow in the vicinity of the EDML deep-drilling site, Antarctica". Journal of Glaciology. 53 (182): 442–448. Bibcode:2007JGlac..53..442W. doi:10.3189/002214307783258512. ISSN 0022-1430.
Sivalingam, Prahaladhan; Asirvatham, David; Marjani, Mohsen; Syed Masood, Jafar Ali Ibrahim; Chakravarthy, N. S. Kalyan; Veerisetty, Gopinath; Lestari, Martha Tri (April 1, 2024). "A review of travel behavioural pattern using GPS dataset: A systematic literature review". Measurement: Sensors. 32 101031. Bibcode:2024MeasS..3201031S. doi:10.1016/j.measen.2024.101031. ISSN 2665-9174.
Zhao, Xilei; Xu, Yiming; Lovreglio, Ruggiero; Kuligowski, Erica; Nilsson, Daniel; Cova, Thomas J.; Wu, Alex; Yan, Xiang (June 1, 2022). "Estimating wildfire evacuation decision and departure timing using large-scale GPS data". Transportation Research Part D: Transport and Environment. 107 103277. arXiv:2109.07745. Bibcode:2022TRPD..10703277Z. doi:10.1016/j.trd.2022.103277. ISSN 1361-9209.
Yang, Zhuo; Franz, Mark L.; Zhu, Shanjiang; Mahmoudi, Jina; Nasri, Arefeh; Zhang, Lei (January 1, 2018). "Analysis of Washington, DC taxi demand using GPS and land-use data". Journal of Transport Geography. 66: 35–44. Bibcode:2018JTGeo..66...35Y. doi:10.1016/j.jtrangeo.2017.10.021. ISSN 0966-6923.
Ashby, Neil (2003). "Relativity in the Global Positioning System". Living Reviews in Relativity. 6 (1) 1. Bibcode:2003LRR.....6....1A. doi:10.12942/lrr-2003-1. ISSN 1433-8351. PMC 5253894. PMID 28163638.

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