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Ionospheric turbulence from ground-based and satellite VLF/LF transmitter signal observations for the Simushir earthquake (November 15, 2006)
VLF/LF signal propagation Eartquake precursors
2015/8/24
Signals from very low frequency (VLF)/ low frequency (LF) transmitters recorded on the ground station at Petropavlovsk-Kamchatsky and on board the French DEMETER satellite were analyzed for the Simush...
GPS Ephemeris Error Screening and Results for 2006–2009
GPS Ephemeris Error Screening Results
2015/6/25
For the Global Positioning System (GPS), real-time satel-lite orbits and clock biases are derived from predicted ephemeris and clock parameters in broadcast navigation messages. The performance of bro...