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2 cards from this section. Quick, good the night before a test.
Why is good sky visibility important for GNSS?
Think about what happens when buildings or trees are in the way.
What happens to GNSS signals when you are indoors?
Consider what materials obstruct signals.
Why does GNSS require good visibility of the sky?
Think about what might obstruct a clear line of sight to satellites.
True or False: GNSS can be effectively used indoors.
Consider where we typically use GPS; is it indoors or outdoors?
How would the vertical accuracy requirements differ for a building project compared to general outdoor navigation?
Consider the critical nature of altitude in construction.
Propose alternative navigation methods that could supplement GNSS in urban settings. Justify your choices.
Think about technologies that work through barriers or less affected by physical objects.
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