A Good Explanation Of How GPS Really Works
Ab Irato of Fakeologist.com gives a good explanation on how GPS really works. There is no need for space satellites because ground based satellites along with triangulation using the earth's ionosphere and cell phone towers help make GPS possible.
I say space satellites don't exist and the reason is because GPS is all ground based technology using the earth's ionosphere.
Check out the original audio where this clip is from:
Questioning Our Reality