GPS
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21 Terms
What does GPS stand for?
Geological Positioning System
What is a system?
a group of entities or activities that interact for a common purpose
What is the first major segment of a system?
space
What is the second make segment of a system?
control
What is the third major segment of a system?
user
What does MCS stand for?
Master control station
What is the first core concept of calculating the distance between a satellite and a receiver?
time differences
What is the second core concept of calculating the distance between a satellite and a receiver?
satellite position
What does distance equal?
velocity x time
What is the minimum satellites are needed to calculate an XYZ coordinate?
4
What is the first broad category of use for GPS?
navigation
What is the second broad category of use for GPS?
data collection
What is the first level of use?
general
What is the second level of use?
recreation
What is the third level of use?
resource
What is the fourth level of use?
survey
What is the fifth level of use?
geodetic
How many satellites are currently in space?
32
How many satellites in the space are currently operational?
24
How many satellites in space are back up?
8
How far are the satellites from earth?
12,600