Well, in that case, why not build a hybrid—a low-orbit satellite network synced to a few ground bases that will give the exact position of flying over satellite

Well, in that case, why not build a hybrid—a low-orbit satellite network synced to a few ground bases that will give the exact position of flying over satellite(s)? Building a network of a very tall tower every 58km around a globe of the Moon seems very uneconomic.