User`s guide

Chapter 5 - I/O Commands
Speed/Heading
VV = 3D speed in cm/s 0…51400 (0.0 to 514 m/s)
vv = 2D speed in cm/s 0…51400 (0.0 to 514 m/s)
hh = 2D heading 0….3599 tenths of degrees (0.0 to 359.9º)
Geometry
dd = current DOP 0 .. 999 (0.0 to 99.9 DOP)
(PDOP for 3D fix, HDOP for 2D fix, )
Satellite Data
n = number of visible satellites 0 ..12
t = number of tracked satellites 0 ..12
Channel Data
i = SVID 0…37
m = mode 0…8
where: 0 = Code Search 5 = Message Sync Detect
1 = Code Acquire 6 = Satellite Time Available
2 = AGC Set 7 = Ephemeris Acquire
3 = Freq Acquire 8 = Available for Position
4 = Bit Sync Detect
s = signal strength 0…255
I = IODE 0…255
dd = channel status (16 bits)
(msb) Bit 15: Reserved
Bit 14: Reserved
Bit 13: Reserved
Bit 12: Narrow-band search mode (timing rx only)
Bit 11: Channel used for time solution
Bit 10: Differential Corrections Available
Bit 9: Invalid Data
Bit 8: Parity Error
Bit 7: Channel used for position fix
Bit 6: Satellite Momentum Alert Flag
Bit 5: Satellite Anti-Spoof Flag Set
Bit 4: Satellite Reported Unhealthy
Bits 3-0: Satellite Accuracy per para 20.3.3.3.1.3 of ICD-GPS-200
0000 (0) 0.00m <URA<=2.40m
0001 (1) 2.40m <URA<=3.40m
0010 (2) 3.40 m<URA<=4.85m
0011 (3) 4.85m<URA<=6.85m
0100 (4) 6.85m<URA<=9.65m
0101 (5) 9.65m<URA<=13.65m
0110 (6) 13.65m <URA<=24.00m
0111 (7) 24.00m<URA<=48.00m
1000 (8) 48.00m<URA<=96.00m
1001 (9) 96.00m<URA<=192.00m
1010 (10) 192.00m <URA<=384.00m
1011 (11) 384.00m <URA<=768.00m
Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05
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