GPS (Estonian Wikipedia)

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. Lk 16. ISBN 0-309-05283-1. Originaali arhiivikoopia seisuga 22. juuli 2011. Vaadatud 12. detsember 2010.,
Michael Russell Rip, James M. Hasik (2002). The Precision Revolution: GPS and the Future of Aerial Warfare. Naval Institute Press. Lk 65. ISBN 1557509735. Vaadatud 14.01.2010.

err.ee (Global: 1,131^st place; Estonian: 2^nd place)

ERR, Marko Tooming | (3. jaanuar 2024). "Suured häired GPS-süsteemis ulatusid ka Eesti kohale". ERR. Vaadatud 3. jaanuaril 2024.
ERR (7. juuni 2023). "Venemaa GPS-signaali segamine kandus juunis Eesti ja Läti territooriumile". ERR. Vaadatud 3. jaanuaril 2024.
ERR (5. jaanuar 2024). "Iltalehti: GPS-i häirete taga on Venemaa". ERR. Vaadatud 6. jaanuaril 2024.

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

Sinha, Vandana (24.07.2003). "Commanders and Soldiers' GPS-receivers". Gcn.com. Originaali arhiivikoopia seisuga 8. detsember 2008. Vaadatud 13.10.2009.

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

"Global Positioning System". Gps.gov. Originaali arhiivikoopia seisuga 18. mai 2012. Vaadatud 26.06.2010.

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

"Satellite message format". Gpsinformation.net. Vaadatud 15.10.2010.

gpsreview.net (Global: low place; Estonian: low place)

"GPS Bluetooth Compatibility". Originaali (URL) arhiivikoopia seisuga 20.06.2010. Vaadatud 12.12.2010.

ieee.org (Global: 912^th place; Estonian: 446^th place)

ieeexplore.ieee.org

Daly, P. "Navstar GPS and GLONASS: global satellite navigation systems" (PDF). IEEE.

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

Jerry Proc. "Omega". Jproc.ca. Vaadatud 08.12.2009.

maritime-executive.com (Global: 6,000^th place; Estonian: 4,086^th place)

"Polish Researchers Detect Ship-Based GPS Jammers in Baltic Sea". The Maritime Executive (inglise). Vaadatud 5. märtsil 2025.

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

"What the Global Positioning System Tells Us about Relativity". Originaali (URL) arhiivikoopia seisuga 4. jaanuar 2007. Vaadatud 12.12.2010.

noaa.gov (Global: 111^th place; Estonian: 421^st place)

noaa.gov

"GPS & Selective Availability Q&A" (PDF). . Originaali (PDF) arhiivikoopia seisuga 21.09.2005. Vaadatud 28.05.2010. {{cite web}}: välislink kohas |publisher= (juhend)

ngs.woc.noaa.gov

"GPS & Selective Availability Q&A" (PDF). . Originaali (PDF) arhiivikoopia seisuga 21.09.2005. Vaadatud 28.05.2010. {{cite web}}: välislink kohas |publisher= (juhend)

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

support.radioshack.com

"A Guide To The Global Positioning System (GPS) – GPS Timeline". Radio Shack. Originaali arhiivikoopia seisuga 13. veebruar 2010. Vaadatud 14.01.2010.

tenring.blogspot.com (Global: low place; Estonian: low place)

"GPS Tracking for Guns, Another Bad Idea". http://tenring.blogspot.com. 12.01.2006. Vaadatud 12.12.2010. {{cite web}}: välislink kohas |publisher= (juhend)

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

"Why Did the Department of Defense Develop GPS?". Trimble Navigation Ltd. Originaali arhiivikoopia seisuga 18.10.2007. Vaadatud 13.01.2010.

uscg.gov (Global: low place; Estonian: low place)

navcen.uscg.gov

"NAVSTAR GPS User Equipment Introduction" (PDF). US Government. Originaali (PDF) arhiivikoopia seisuga 21. oktoober 2013. Vaadatud 12. detsembril 2010. Chapter 7

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

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. Lk 16. ISBN 0-309-05283-1. Originaali arhiivikoopia seisuga 22. juuli 2011. Vaadatud 12. detsember 2010.,
"Why Did the Department of Defense Develop GPS?". Trimble Navigation Ltd. Originaali arhiivikoopia seisuga 18.10.2007. Vaadatud 13.01.2010.
"Charting a Course Toward Global Navigation". The Aerospace Corporation. Originaali arhiivikoopia seisuga 19. jaanuar 2012. Vaadatud 14.01.2010.
"A Guide To The Global Positioning System (GPS) – GPS Timeline". Radio Shack. Originaali arhiivikoopia seisuga 13. veebruar 2010. Vaadatud 14.01.2010.
"GPS & Selective Availability Q&A" (PDF). . Originaali (PDF) arhiivikoopia seisuga 21.09.2005. Vaadatud 28.05.2010. {{cite web}}: välislink kohas |publisher= (juhend)
"Global Positioning System". Gps.gov. Originaali arhiivikoopia seisuga 18. mai 2012. Vaadatud 26.06.2010.
"GPS Bluetooth Compatibility". Originaali (URL) arhiivikoopia seisuga 20.06.2010. Vaadatud 12.12.2010.
"Latest version Commanders Digital Assistant" (PDF). Originaali (PDF) arhiivikoopia seisuga 1. oktoober 2008. Vaadatud 13.10.2009.
Sinha, Vandana (24.07.2003). "Commanders and Soldiers' GPS-receivers". Gcn.com. Originaali arhiivikoopia seisuga 8. detsember 2008. Vaadatud 13.10.2009.
United States Naval Research Laboratory. National Medal of Technology for GPS. November 21, 2005
"What the Global Positioning System Tells Us about Relativity". Originaali (URL) arhiivikoopia seisuga 4. jaanuar 2007. Vaadatud 12.12.2010.
"NAVSTAR GPS User Equipment Introduction" (PDF). US Government. Originaali (PDF) arhiivikoopia seisuga 21. oktoober 2013. Vaadatud 12. detsembril 2010. Chapter 7

GPS (Estonian Wikipedia)

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

af.mil (Global: 414th place; Estonian: 689th place)

losangeles.af.mil

army.mil (Global: 250th place; Estonian: 967th place)

peosoldier.army.mil

books.google.com (Global: 3rd place; Estonian: 25th place)

err.ee (Global: 1,131st place; Estonian: 2nd place)

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

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

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

gpsreview.net (Global: low place; Estonian: low place)

ieee.org (Global: 912th place; Estonian: 446th place)

ieeexplore.ieee.org

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

maritime-executive.com (Global: 6,000th place; Estonian: 4,086th place)

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

noaa.gov (Global: 111th place; Estonian: 421st place)

noaa.gov

ngs.woc.noaa.gov

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

support.radioshack.com

tenring.blogspot.com (Global: low place; Estonian: low place)

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

uscg.gov (Global: low place; Estonian: low place)

navcen.uscg.gov

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

af.mil (Global: 414^th place; Estonian: 689^th place)

army.mil (Global: 250^th place; Estonian: 967^th place)

books.google.com (Global: 3^rd place; Estonian: 25^th place)

err.ee (Global: 1,131^st place; Estonian: 2^nd place)

ieee.org (Global: 912^th place; Estonian: 446^th place)

maritime-executive.com (Global: 6,000^th place; Estonian: 4,086^th place)

noaa.gov (Global: 111^th place; Estonian: 421^st place)

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