Technique determines ionospheric phase delay on real-time universally applicable basis in terms of electrons per meter squared by coherently modulating two L-band carrier frequencies received from two Global Positioning System satelites. Two pseudorandom number sequences cross-correlated to derive delay time.
Calibrating for Ionospheric Phase Delays
NASA Tech Briefs ; 8 , 4
1985-04-01
Miscellaneous
No indication
English
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