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Correct , that is what i am saying, the geo synchronous satellite will come to the same place once in every 24 hours , and that's why you cannot have the same pattern of satellite positions every time in a day. It varies from time to time , But they may be designed such that at any point of time...

Out of seven satellites , three are geo-stationary satellites , and other four are not geo-stationary they are in geo-synchronous orbits. The three geo-stationary satellites position will be stationary with respect to the earth , but the other four satellites will be synchronous to the earth so...

But germany may not recieve signals from more than one or two satellite at any point of time even after all the satellites are launched. So navigation is not possible.

No in order to evaluate the position, signal from at least 3 or 4 satellites is required. GPS reciever calculates the distance of itself with respect to the satellites visible to it and then it calculates its position. So it should now its distance with respect to at least 3 satellites. The...