5 where it works, Where it works, 1. 9522b base station configuration – Campbell Scientific 9522B Iridium Satellite Modem and COM9522B Interface Modem User Manual
Page 12: 2. 9522b remote station rs-232 configuration, 3. 9522b remote station cs i/o configuration, Figure 1-1, O figure 1-3
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9522B Iridium Satellite Modem and COM9522B Interface Modem
FIGURE 1-1. 9522B Base Station Configuration
FIGURE 1-2. 9522B Remote Station RS-232 Configuration
FIGURE 1-3. 9522B Remote Station CS I/O Configuration
1.5 Where it Works
Unlike other satellite systems, the Iridium satellite network is located in a low
polar orbit, giving the system complete global coverage.
Their relatively low altitude (780 km) means that they are situated close to
transmitting modems and, therefore, require less transmission energy.
Additionally, the Iridium network consists of 66 satellites in 11 planes with an
4
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