NavCom LAND-PAK Rev.N User Manual
Page 139

Technical Reference Manual Rev. N
Blk = All;
Blu = IOP w/Internal Radio
;
Red = IOP & LBM
;
Grn = Engine only
137
Ref
Message Field Description
Data
Type
Units
Range Scale
Byte
Count
…W7
14: Navigation Init: Numerical Error
15: Navigation Init: Navigation Fault
16:
Reserved
…
W8
Ellipsoidal Height
S32
Meters
Lsb: 2
-10
4
W9
Altitude
S32
Meters
Lsb: 2
-10
4
W10
Velocity
North
S24
m/s
+8192
2
-10
3
W11
Velocity East
S24
m/s
+8192
2
-10
3
W12
Velocity Up
S24
m/s
+8192
2
-10
3
W13
Horizontal Figure Of Merit (FOM; estimated)
2
2
lon
lat
DRMS
FOM
where lat and lon are the standard deviations
of error in latitude and longitude, respectively.
U08
cm
Lsb: 1
1
W14
GDOP (255 is undefined)
U08
0-25.5 Lsb: 0.1
1
W15
PDOP (255 is undefined)
U08
0-25.5 Lsb: 0.1
1
W16
HDOP (255 is undefined)
U08
0-25.5 Lsb: 0.1
1
W17
VDOP (255 is undefined)
U08
0-25.5 Lsb: 0.1
1
W18
TDOP (255 is undefined)
U08
0-25.5 Lsb: 0.1
1
W19
TFOM – Time Figure of Merit (10x of TDOP)
U08
1
W20
Maximum dGPS correction age
U16
Sec
Lsb: 0.1
2
W21
dGPS Configuration
B0: Ignore RTCM Code Input
B1: Ignore RTCM RTK Input
B2: Ignore WCT Corrections
B3: Ignore RTG Corrections
B4: Ignore WAAS Corrections
B5: Ignore CMR Input
B6: Ignore RTK input
B7: Reserved
U08
1
W22
Extended Navigation Mode
0. Non differential
1. Code (RTCM Type 1 and 9)
2.
1
Code, Single Frequency (WAAS)
3.
1
Code, Dual Frequency (WAAS)
4. Code, Single Frequency (WCT)
5. Code/RCP, Dual Frequency (WCT)
6. Code, Single Frequency (RTG)
7. Reserved
8. Reserved
9. Reserved
10. Code (RTCM Type 1 and 9) Dual
Frequency SV’s only
11. Code/RCP, Dual Frequency (RTG)
12. Code, Single Frequency (NCT -RTK)
13. Code, Single Freq. (RTCM type 18 & 19)
U08
1