(P)Element 3-95 Low Earth Orbit Systems Flashcards
1
Q
What is the orbiting altitude of the Iriduim Satellite communications system?
A
485 miles
2
Q
What frequency band is used by the iridium system for telephone and messaging?
A
1616-1626
3
Q
What services are provided by the iridium system
A
digial boice at 2.4
4
Q
Which of the following is true about the iriduium system?
A
has 48 spot bneams per satellite with a footprint of 30 iles in diameter
5
Q
What is function of COSPAS SARSAT Satilite system?
A
monitor 406 mHz for distress calls and EPIRBs
6
Q
How does the COSPAS SARSAT satellite system dtermine the pistion of a ship in distress?
A
by measureing the dopller shift of trhe 406 mhz signal tajken at several different points in orbit
7
Q
A
