Campbell Scientific TX312 High Data Rate GOES Transmitter User Manual
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TX312 Transmitter
Specifications:
On-board memory:
Non-volatile flash for setup parameters. 16 kbytes for
data
Transmission Data
Rates:
100, 300 and 1200 bps
Power requirements:
10.8 to 16 VDC, 5 mA quiescent, 90 mA during GPS
fix and 2.6 Amps during transmission
25316 Transmit
Antenna:
11 dBi Gain, Right Hand Circular polarization, Type
N female connector, wind load of ~100 knots
Transmit power:
5.6 watts for 100 and 300 bps, 11.2 watts for 1200 bps
Frequency Range:
401.701 MHz to 402.09850 MHz
Frequency Stability:
Initial Accuracy: ±20 Hz disciplined to GPS; Short
term drift: ±0.04 Hz/sec, Ageing: ±-0.1 ppm/Year,
Vcc + Temperature: ±-0.1 PPM
Channel Bandwidth:
100/300 bps 1.5 kHz; 1200 bps 3 kHz
Time Keeping:
Initial setting accuracy: ± 100 microseconds
synchronized to GPS; Drift ± 10 milliseconds/day over
operating temperature range; GPS scheduled updates
are 1 at power up and once per day there after. Once
every 28 days required for continual operation
GPS antenna:
3.3 volt active; SMA female connector
RS-232 serial port:
Signal Levels: RS-232C; Connector: DB9F; Command
protocols: ASCII, Binary, Field diagnostics,
Dataloggers with RS-232 port
CS I/O port:
Signal Levels: TTL, Connector DB9M; Command
Protocol: Campbell Scientific Synchronous Device
Communication, Binary Command, Campbell
Scientific Dataloggers.
SDI-12 Port:
Multiplexed with CS I/O port. Protocol SDI-12
Recorder version 1.3
Environmental:
Operating: -40
° to 60°C; Storage -50º to 70ºC; 0 to
99% RH, non-condensing
Dimensions (with
mounts):
6.4” H x 11” L x 2.1” W (16.2 x 27.9 x 5.3 cm)
Weight:
2.1 lbs (0.95 kg)
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