Re: GPS accuracy
Also solar flares and laser weapons to disable satellites?
Inertial navigation started with gyroscopes in 1930s. Needed historically near poles before GPS and in space before using Pulsars and automated star sighting.
Also solar flares and laser weapons to disable satellites?
Inertial navigation started with gyroscopes in 1930s. Needed historically near poles before GPS and in space before using Pulsars and automated star sighting.