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difference between Iridium vs Global Star vs ICO satellite

This page describes difference between Iridium vs Global Star vs ICO satellite configurations.

Specification Iridium Global Star ICO
Number of satellite 72 52 12
Altitude in Km 780 1.414 10390
Elevation(min.) 8 degree 20 degree 20 degree
Uplink Frequency(GHz) 29.2 6.9 7
Downlink Frequency(GHz) 19.5 5.1 5.2
Inter-satellite Frequency(GHz) 23.3 - -
Mobile Station Frequency(GHz) 1.6 2.5 2
Bit Rate 2.4 Kbps 9.6 Kbps 4.8 Kbps
Coverage global +/-70 degree latitude global
Access Technique FDMA/TDMA CDMA FDMA/TDMA
Number of Channels 4000 2700 4500
Lifetime in Years 5.8 7.5 12


Iridium Satellite System Related Links

Iridium Call Setup
Operating frequency of Iridium
Iridium Satellite Phone country codes
Iridium Satellite Phone Manufacturers
Iridium NEXT

SATELLITE RELATED LINKS

SCPC
MCPC
EPABX basics
Satellite tutorial
VSAT system basics
FDMA vs TDMA vs CDMA
FDM vs TDM

What is Difference between

difference between FDM and OFDM
Difference between SC-FDMA and OFDM
Difference between SISO and MIMO
Difference between TDD and FDD

RF and Wireless Terminologies


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