3-P-098: GPS
3-98P1:
Global Positioning Service (GPS) satellite orbiting altitude is:
12,554 miles.
4,686 miles.
24,184 miles.
247 miles.
3-98P2:
The GPS transmitted frequencies are:
1227.6 MHz and 1575.4 MHz.
1626.5 MHz and 1644.5 MHz.
2245.4 and 2635.4 MHz.
946.2 MHz and 1226.6 MHz.
3-98P3:
How many GPS satellites are normally in operation?
24
8
18
36
3-98P4:
What best describes the GPS Satellites orbits?
They are in six orbital planes equally spaced and inclined about 55 degrees to the equator.
They are in four orbital planes spaced 90 degrees in a polar orbit.
They are in a geosynchronous orbit equally spaced around the equator.
They are in eight orbital planes at an altitude of approximately 1,000 miles.
3-98P5:
How many satellites must be received to provide complete position and time?
4
1
2
3
3-98P6:
What is DGPS?
A system to provide additional correction factors to improve position accuracy.
Digital Ground Position System.
Correction signals transmitted by satellite.
A system for providing altitude corrections for aircraft.
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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