New answers tagged gps
1
Orekit is an open-source flight-dynamics library written in Java, and has a Python wrapper. It is able to simulate orbits of GNSS satellites, for instance by loading them from YUMA or SEM almanacs, and RINEX files are also supported. It is possible to load Antex files for GNSS transmit antennas models, which contain properties such as frequencies, phase ...
2
First, on the practical side, it is most likely that GPS spoofing will come from a terrestrial spoofing source rather than a LEO, much less a rogue GEO. This allows several exploitable factors to detect spoofed signals. To answer your question(s), no, they are unlikely to come from space, and second, direction finding is one of the possibilities.
Direction ...
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