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How many satellites must a GPS receiver have line of site to in order to gain a reliable positioning solution?
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How many satellites must a GPS receiver have line of site to in order to gain a reliable positioning solution?

User NeoDarque
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5 votes

Final answer:

A GPS receiver must have line of sight to at least 4 satellites in order to gain a reliable positioning solution.

Step-by-step explanation:

A GPS receiver must have line of sight to at least 4 satellites in order to gain a reliable positioning solution. GPS relies on an array of 24 satellites orbiting the Earth, and at least 4 of them are visible from any spot on Earth. The receiver detects the signals from those satellites that are overhead and calculates the position based on the time it takes for the signals to reach it.

User SmileyProd
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