3 ms·
There were predecessors to GPS: https://en.m.wikipedia.org/wiki/Gee_(navigation) https://en.m.wikipedia.org/wiki/Gee_(navigation)
by growlist 8y ago
There were predecessors to GPS: https://en.m.wikipedia.org/wiki/Gee_(navigation) https://en.m.wikipedia.org/wiki/Gee_(navigation)