NavCom LAND-PAK Rev.N User Manual
Page 59
Technical Reference Manual Rev. N
Blk = All;
Blu = IOP w/Internal Radio
;
Red = IOP & LBM
;
Grn = Engine only
57
Ref
Message Field Description
Data
Type
Units
Range
Scale
Byte
Count
W8
Differential Mode Control
B0=1: Use Differential Corrections
(Default)
B1=1: No solution without Corrections;
0: Use when available (Default)
B2=1: DO NOT use Tgd (Group Delay)
Applies to RTCM messages 1 and
9
0: Use Tgd (Default)
B3=1: Invert sign of RTK Observables for
Phase
B4=1: No RTK Navigation
B5=1: No RCP Navigation (Applicable to
RTG and WCT only)
B6: Reserved
B7=1: Use dual frequency
measurements in navigation.
Transitions to navigation mode
where only satellites producing
dual frequency measurements are
used. (Default)
B8=1: Ignore RTCM Type 1 and 9 msgs
B9=1: Ignore RTCM RTK Msgs (18-21)
B10=1: Ignore WCT
B11=1: Ignore RTG
B12=1: Ignore WAAS
B13=1: Ignore CMR
B14=1: Ignore NCT RTK Blocks 0x5b,
0x5c, and 0x5e
B15=1: Ignore RTG Extend
U16
2
W9
dGPS data too old time
Default: 300 (Non-RTK)
U08 seconds 0-1265
LSB: 5
5*60
1
W10
DGPS Station ID (RTCM)
0x0000: Use any station
0x0001-0x03ff: Use station
U16
1-1023
2
W11
Navigation Update Rate
0 – Ignore, use present rate
1,2,5 Selects applicable rates
10 and 25 if available
U08
Hz
1
W12
NMEA Options
B0=1: NCT GGA Ref. Station ID format
0: Use NMEA definition
B1-B7: Reserved
U08
1
W13 Reserved
U08
1
CKSM Checksum
U08
1
ETX
03
(hex)
U08
1
See notes on next page…