المؤلفون: Langley, Richard B. lang@unb.ca

المصدر: Navigation (Institute of Navigation). Summer2024, Vol. 71 Issue 2, p1-8. 8p.

مصطلحات موضوعية: *GLOBAL Positioning System, *IONOSPHERE, *WEBINARS, *SCIENTIFIC community, *PHISHING

المؤلفون: Banville, Simon, Collins, Paul, Zhang, Wei, Langley, Richard B.

المصدر: Navigation (Wiley-Blackwell); Summer2014, Vol. 61 Issue 2, p115-124, 10p

مصطلحات موضوعية: IONOSPHERE, GLOBAL Positioning System, STOCHASTIC convergence, AMBIGUITY, ARTIFICIAL satellites

المؤلفون: Banville, Simon¹ sbanvill@nrcan.gc.ca, Langley, Richard² lang@unb.ca

المصدر: Journal of Geodesy. Feb2013, Vol. 87 Issue 2, p179-193. 15p.

مصطلحات موضوعية: *GLOBAL Positioning System, *ARTIFICIAL satellites in navigation, *ARTIFICIAL satellites, *COMPUTER software, *IONOSPHERE

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

المؤلفون: Langley, Richard B.

المصدر: GPS World. Jul2000, Vol. 11 Issue 7, p44. 6p. 3 Color Photographs, 1 Black and White Photograph, 3 Graphs.

مصطلحات موضوعية: GLOBAL Positioning System, IONOSPHERE, SOLAR radio emission

المؤلفون: Banville, Simon, Wei Zhang, Langley, Richard B.

المصدر: GPS World; Mar2013, Vol. 24 Issue 3, p43-49, 7p

مصطلحات موضوعية: GLOBAL Positioning System, IONOSPHERIC observations, IONOSPHERE, ELECTRON speed measurement, STATISTICAL bias

المؤلفون: Fedrizzi, Mariangel, de Paula, Eurico R., Kantor, Ivan J., Langley, Richard B., Santos, Marcelo C., Komjathy, Attila

المصدر: GPS World; Feb2002, Vol. 13 Issue 2, p41, 5p, 2 Color Photographs, 1 Diagram, 1 Graph, 1 Map

مصطلحات موضوعية: GLOBAL Positioning System, IONOSPHERE, ELECTRIC fields

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