For cost
comparisons between these systems, click HEREMobile Satellite System Specifications |
For cost
comparisons between these systems, click HERE
| Name | Orbit | Satellites | Lifetime | Services | Modes | Operational |
| Orbcomm | 28 | D | LIVE since 5/99 | |||
| E-Sat | 6 | D | 2000 | |||
| FAISAT | 26 | D,Vm,P | 2000 | |||
| VITAsat (VITA) |
2 | D | 2000 | |||
| Koskon (Polyot) |
B-LEO | 32 | V,D,F,P | 2000 | ||
| Globalstar | B-LEO | 48 | 7.5y | V,D,F.P,GPS | CDMA | LIVE since 10/99 |
| I-CO | MEO | 10 | 12y | V,D,F,P | TDMA | 2000 |
| Iridium | B-LEO | 66 | 5y | V,D,F,P | FDMA+ TDMA |
LIVE since 11/98 |
| GE Starsys | 24 | Dm | 2000 | |||
| GEMnet (CTA Commercial Systems) |
38 | D | 2000 | |||
| LEO One USA | 48 | D | 2000 | |||
| M-Star (Motorola) | Broadband LEO | 72 | broadband services | 2000 | ||
| ECCO (Constellation/ TELEBRAS) |
B-LEO | 46 | V,D,F,P | 2000 | ||
| Ellipso (MCHI) |
LEO/MEO | 17 | V,D,P,E | 2002 | ||
| Odyssey | B-LEO | 12 | 15y | D,V,F,SMS | CDMA | 2002 |
| Teledesic | Broadband LEO | 840 | 10y | broadband services | ATDMA+ CDMA |
2002 |
| Celsat (Hughes/Nortel) |
GEO | 3 | V,D,F,P | 2000 | ||
| INMARSAT 3 | GEO | 5 | 12y | V,D,F | LIVE | |
| Spaceway (Hughes Network Systems) |
GEO | 12 | V,D,Vi, broadband services |
2000 | ||
| Thuyara | GEO | 2 | 12-15 | V,D,P,E | 2000 | |
| ACes | GEO | 2 | 12 | V,D,P,E | 2000 |
Key:
| ATDMA | Advanced Time Division Multiple Access |
| B-LEO | Big LEO |
| BrdBnd | Broadband Services |
| CDMA | Code Division Multiple Access |
| D | Data |
| Dm | Data Messaging |
| E | |
| F | Fax |
| FDMA | Frequency Division Multiple Access |
| GPS | Global Positioning System |
| LEO | Low Earth Orbit |
| L-LEO | Little Low Earth Orbit |
| MEO | Middle Earth Orbit |
| P | Paging |
| SMS | Short Message Service |
| TDMA | Time Division Multiple Access |
| V | Voice |
| Vi | Video |
For cost
comparisons between these systems, click HERE
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