rev1 – Dec 2013 www.digitalcomtech.com 40
ST - Status
Qualifiers: Q, R.
This message provides information about the unit's GPS receiver. The message has the
following format when using no modifier (>QST<):
AABCDDEFGGH
o AA: GPS satellite signal acquisition and tracking status.
00: Doing position fixes.
01: Don't have GPS time yet.
02: Not used.
03: HDOP is greater than 1.5.
08: No usable satellites.
09: Only 1 usable satellite.
0A: Only 2 usable satellites.
0B: Only 3 usable satellites.
BB: Stationary Mode.
0C: Chosen satellite is unusable.
o B: Antenna short circuit state
0: No problems reported.
1: Antenna feed line short fault.
o C: Status Codes, Nibble 2:
Currently not in use.
o DD: Machine ID. Internal GPS machine ID. Currently not in use.
o E: Status Codes, Nibble 3:
Currently not in use.
o F: Status Codes, Nibble 4:
Currently not in use.
o GG: Hex value. Currently not in use.
o H: Indicates if the GPS is on or off. Flag:
0: GPS is off
1: GPS is on