Near vertical incidence skywave (English Wikipedia)

Witvliet, Ben A.; van Maanen, Erik; Petersen, George J.; Westenberg, Albert J.; Bentum, Mark J.; Slump, Cornelis H.; Schiphorst, Roel (February 2015). "Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas" (PDF). IEEE Antennas and Propagation Magazine. 57 (1): 129–146. Bibcode:2015IAPM...57..129W. doi:10.1109/MAP.2015.2397071. S2CID 36138456. Archived from the original (PDF) on 2017-04-11. Retrieved 2017-04-10 – via Radiocommunications Agency Netherlands, Groningen, NL.

bom.gov.au

sws.bom.gov.au

World ionospheric map. Bureau of Meteorology (map). Commonwealth of Australia.

doi.org

Witvliet, Ben A.; van Maanen, Erik; Petersen, George J.; Westenberg, Albert J.; Bentum, Mark J.; Slump, Cornelis H.; Schiphorst, Roel (February 2015). "Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas" (PDF). IEEE Antennas and Propagation Magazine. 57 (1): 129–146. Bibcode:2015IAPM...57..129W. doi:10.1109/MAP.2015.2397071. S2CID 36138456. Archived from the original (PDF) on 2017-04-11. Retrieved 2017-04-10 – via Radiocommunications Agency Netherlands, Groningen, NL.

hamwaves.com

"Real-time local NVIS & DX". hamwaves.com. Archived from the original on 2017-12-01. Retrieved 2017-11-23.

harriscountyares.org

"Space challenged NVIS antenna" (PDF). Archived (PDF) from the original on 2015-06-03. Retrieved 2012-12-29.

harvard.edu

ui.adsabs.harvard.edu

Witvliet, Ben A.; van Maanen, Erik; Petersen, George J.; Westenberg, Albert J.; Bentum, Mark J.; Slump, Cornelis H.; Schiphorst, Roel (February 2015). "Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas" (PDF). IEEE Antennas and Propagation Magazine. 57 (1): 129–146. Bibcode:2015IAPM...57..129W. doi:10.1109/MAP.2015.2397071. S2CID 36138456. Archived from the original (PDF) on 2017-04-11. Retrieved 2017-04-10 – via Radiocommunications Agency Netherlands, Groningen, NL.

k9yc.com

Brown, Jim (K9YC). "Planning antennas" (PDF). k9yc.com. Archived (PDF) from the original on 21 September 2017. Retrieved 30 April 2017.{{cite web}}: CS1 maint: numeric names: authors list (link)

nsarc.ca

"An analytical study of HF communications between provincial PREOC-s and the North Shore Emergency Management office at VE7NSR" (PDF). nsarc.ca. March 2010. Archived from the original (PDF) on 2016-03-03. Retrieved 2012-12-29.

radiomanual.info

Antenna Manual (PDF) (Report). 1986. AS-2259, TM11-5985-379-14P. Archived (PDF) from the original on 2018-02-19. Retrieved 2018-03-09.

semanticscholar.org

api.semanticscholar.org

Witvliet, Ben A.; van Maanen, Erik; Petersen, George J.; Westenberg, Albert J.; Bentum, Mark J.; Slump, Cornelis H.; Schiphorst, Roel (February 2015). "Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas" (PDF). IEEE Antennas and Propagation Magazine. 57 (1): 129–146. Bibcode:2015IAPM...57..129W. doi:10.1109/MAP.2015.2397071. S2CID 36138456. Archived from the original (PDF) on 2017-04-11. Retrieved 2017-04-10 – via Radiocommunications Agency Netherlands, Groningen, NL.

w8ji.com

"NVIS antennas". w8ji.com. Archived from the original on 2018-09-09. Retrieved 2013-06-25.

w8ne.com

Finch, Stephen C. (AIØW). "The emergency communications antenna" (PDF). w8ne.com. Archived from the original (PDF) on 2019-09-20. Retrieved 2012-12-29.

web.archive.org

Finch, Stephen C. (AIØW). "The emergency communications antenna" (PDF). w8ne.com. Archived from the original (PDF) on 2019-09-20. Retrieved 2012-12-29.
"Real-time local NVIS & DX". hamwaves.com. Archived from the original on 2017-12-01. Retrieved 2017-11-23.
"An analytical study of HF communications between provincial PREOC-s and the North Shore Emergency Management office at VE7NSR" (PDF). nsarc.ca. March 2010. Archived from the original (PDF) on 2016-03-03. Retrieved 2012-12-29.
Brown, Jim (K9YC). "Planning antennas" (PDF). k9yc.com. Archived (PDF) from the original on 21 September 2017. Retrieved 30 April 2017.{{cite web}}: CS1 maint: numeric names: authors list (link)
"NVIS antennas". w8ji.com. Archived from the original on 2018-09-09. Retrieved 2013-06-25.
Witvliet, Ben A.; van Maanen, Erik; Petersen, George J.; Westenberg, Albert J.; Bentum, Mark J.; Slump, Cornelis H.; Schiphorst, Roel (February 2015). "Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas" (PDF). IEEE Antennas and Propagation Magazine. 57 (1): 129–146. Bibcode:2015IAPM...57..129W. doi:10.1109/MAP.2015.2397071. S2CID 36138456. Archived from the original (PDF) on 2017-04-11. Retrieved 2017-04-10 – via Radiocommunications Agency Netherlands, Groningen, NL.
"Space challenged NVIS antenna" (PDF). Archived (PDF) from the original on 2015-06-03. Retrieved 2012-12-29.
Antenna Manual (PDF) (Report). 1986. AS-2259, TM11-5985-379-14P. Archived (PDF) from the original on 2018-02-19. Retrieved 2018-03-09.