Overview
The Iridium satellite network consists of a constellation of 66 satellites situated in 6 planes in low-earth orbit. Each plane is populated by 11 satellites in polar orbits, giving the Iridium network excellent coverage in high latitudes that equatorial satellites often cannot reach. Read MoreTechnical Description
The Iridium Satellite System used with Campbell Scientific consists of the modem, data/power kit (COM9522B), data cables, antenna and power supply. The base and remote stations utilize the same modem type, which both require a change to their configuration.
The recommended connection of the remote modem for all dataloggers is via the RS232, however, the CSI/O port can also be used with the SC932A interface. Power/Data kits are required to connect the modem to the datalogger or computer and an appropriate power source. For remote applications where AC power is not available it is recommended to operate the modem on a schedule to avoid discharging the battery power supply.
The antenna used for both Iridium modems is the SAF5350A mast mount antenna. For best signal reception the antenna should be mounted so that it has an unobstructed view of the sky and horizon. Reception quality changes as satellites move overhead so it is critical that the view be clear.
Images
Specifications
Power Supply
- Operating: 4 – 32 VDC, 333 mA @ 12 VDC
- Standby: 125 mA @ 12 VDC
- Off State: 20 µA
Environmental
- Operating temperature: -30°C to +70°C
- Operating humidity: 25% to 75%
- Storage temperature: -40°C to +85°C
- Storage humidity: 93% (max)
RF Interface
- Frequency range: 1616 MHz to 1626.5 MHz
- Duplexing method: TDD (Time Domain Duplex)
- Oscillator stability: ± 1.5 ppm
- Input/output impedance: 50 ohms
- Multiplexing method: TDMA/FDMA
Mechanical
- Length: 162 mm
- Width: 81 mm
- Depth: 28 mm
- Weight: 420 g (approximate)
Compatibility
Datalogger Considerations
Compatible Contemporary Dataloggers
| CR200(X) Series | CR800/CR850 | CR1000 | CR3000 | CR5000 | CR7X | CR9000X |
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Compatible Retired Dataloggers
| CR510 | CR10X | CR23X | CR9000 |
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