Campbell Scientific TX312 High Data Rate GOES Transmitter - Manual (Page 36)

TX312 Transmitter
TABLE 5.2-3. P127 Command 1: Read Status
In Loc Contents
1 Command Result Code
2 Bytes of data in self-timed buffer
3 Time until next self-timed transmission: Days
4 Time until next self-timed transmission: Hours
5 Time until next self-timed transmission: Minutes
6 Time until next self-timed transmission: Seconds
7 Bytes of data in random buffer
8 Time until next random transmission interval start: Hours
9 Time until next random transmission interval start: Minutes
10 Time until next random transmission interval: Seconds
11 Failsafe, 1 indicates transmitter disabled due to failsafe.
12 Loaded power supply voltage, 1 amp load. (tenths of volts)
13 Average GPS acquisition time (tens of seconds)
5.2.5.3 P127, Command 2: Read Last Message Status
Returns information specific to the last message transmitted plus the GPS
derived Latitude and Longitude.
TABLE 5.2-4. P127 Command 2: Read Last Message Status
In Loc Contents
1 Command Result Code
2 Message type: Self-timed or Random
3 Size of message in bytes
4 Forward power in tenths of watts
5 Reflected power in tenths of watts
6 Power supply voltage under full load, in tenths of volts
7 GPS acquisition time in tens of seconds
8 Oscillator drift (signed, hundreds of Hz)
9 Latitude degrees
10 Latitude minutes
11 Latitude seconds
12 Longitude degrees
13 Longitude minutes
14 Longitude seconds.
5.2.5.4 P127, Command 3: Transmit Random Message
Overwrite random buffer with 1 2 3 4 (ASCII)
During GPS acquisition the LED lights green.
During transmission the LED lights red.
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