Campbell Scientific - Model TX325 - Satellite Transmitter for GOES CS2/v2.0
Benefits and Features
- NESDIS HDR V2 certified (certification number 12142012)
- Compatible with GOES DCS system
- Easy integration with Campbell Scientific data loggers
- Field tested and proven track record of reliability
- Embedded GPS receiver for stabilized internal time keeping and transmit frequency for long service intervals
- Low standby current consumption for battery-powered systems at remote DCP installation sites
- Quick assessment of radio health via monitoring of diagnostic data from the radio
Details
The TX325 transmitter can transmit either self-timed or random GOES messages to the GOES West and GOES East satellites. In a typical configuration, the TX325 is connected to a data logger via an RS-232 serial connection. The data logger makes measurements, then formats those values to create a data packet which is then transferred to the TX325. The TX325 then buffers the message until its transmission window (or random transmission time), when it will then transmit the data at either 300 or 1200 bps.
Extremely accurate timing is obtained from the integrated GPS receiver (±100 μs), and the internal clock is capable of maintaining accurate time for a minimum of 20 days. If the TX325 finds itself without an accurate time, it suspends data transmissions until an accurate time is obtained.
Detailed diagnostic information about the radio is also available for the field technician and various diagnostic uses. These diagnostic parameters include the following:
- Latitude and longitude using the built-in GPS
- Current battery voltage
- Current temperature
- Battery voltage before last transmission
- Temperature before last transmission
- Battery voltage during last transmission
- Altitude of last GPS position
- Time of last GPS position
- Number of GPS fix misses
- Time of last missed GPS fix
- GPS receiver health and status
- Failsafe tripped indication
- Duration of last transmission
- Forward power of last transmission
- Reflect power on last transmission
- VSWR (voltage standing wave ratio) last transmission results
- Current transmission state
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