50Mhz ionosphere propagation modes observed from Athens over the last three solar cycles. Costas Fimerelis, SV1DH G3WOS BBQ Aug. 2007.
Satellite Navigation: Lecture 5 -_gps_error_sources
Amateur Space Communications Albert - N4ZFG Space Communications Look at Project OSCAR History Operating Modes Prediction Software How do I get.
WBHF Waveform Data Rates
March 7, 2013
