GPS 15 Technical Specifications (P/N 190-00266-00)
Rev. B
Page 15
4.2.9
Sensor Status Information (PGRMT)
The GARMIN Proprietary sentence $PGRMT gives information concerning the status of the GPS sensor.
This sentence is transmitted once per minute regardless of the selected baud rate.
$PGRMT,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF>
<1>
Product, model and software version (variable length field, e.g., “GPS 15 VER 2.05”)
<2>
ROM checksum test, P = pass, F = fail
<3>
Receiver failure discrete, P = pass, F = fail
<4>
Stored data lost, R = retained, L = lost
<5>
Real time clock lost, R = retained, L = lost
<6>
Oscillator drift discrete, P = pass, F = excessive drift detected
<7>
Data collection discrete, C = collecting, null if not collecting
<8>
GPS sensor temperature in degrees C
<9>
Not used.
