3 ms·
That's correct and led directly to the US Navy's doppler-based Transit GNSS that operated from 1961 until 1996. Navstar / GPS emerged as a joint project in 197
by dingaling 4y ago
That's correct and led directly to the US Navy's doppler-based Transit GNSS that operated from 1961 until 1996.
Navstar / GPS emerged as a joint project in 1973 based on individual services' research into a better form of GNSS.