المؤلفون: Langley, Richard

المصدر: GPS World. Apr2012, Vol. 23 Issue 4, p44-50. 7p.

مصطلحات موضوعية: IONOSPHERE, GLOBAL Positioning System, IONOSPHERIC radio wave propagation, IONIZING radiation, SOLAR radiation, ARTIFICIAL satellites in navigation

المصدر: Microwaves & RF. Jan2009, Vol. 48 Issue 1, p54-54. 2/3p.

مصطلحات موضوعية: *RADIO frequency, *RADIO wave propagation, *LIGHTNING, *IONOSPHERE, *ELECTRIC waves

People: DOWDEN, Richard, LAY, Erin, THOMSON, Neil

المؤلفون: Langley, Richard

المصدر: GPS World. Apr2012, Vol. 23 Issue 4, p44-44. 2/3p.

مصطلحات موضوعية: IONOSPHERE, GLOBAL Positioning System, SHORTWAVE radio, IONOSPHERIC radio wave propagation, ARTIFICIAL satellites in navigation

المؤلفون: Knowles, J.

المصدر: Journal of Electromagnetic Dominance. Jun2022, Vol. 45 Issue 6, p18-20. 2p.

مصطلحات موضوعية: *IONOSPHERE, *IONOSPHERIC electron density, *SENSOR networks, *RADIO wave propagation, *FREQUENCY agility, *IONOSPHERIC techniques, *TELECOMMUNICATION satellites

الشركة/الكيان: UNITED States. Defense Advanced Research Projects Agency