NavCom LAND-PAK Rev.N User Manual
Page 120
Technical Reference Manual Rev. N
Blk = All;
Blu = IOP w/Internal Radio
;
Red = IOP & LBM
;
Grn = Engine only
118
Ref
Message Field Description
Data
Type
Units Range
Scale
Byte
Count
…W4
0110:
New
navigation
0111: Less satellites available than the
specified minimum
1000: PDOP is greater than the
specified limit
1011:
Navigation
jumped
1100: COCOM
limits
reached
1101: Required DGPS messages not
received
B1=0: Clock is unstable,
1: Clock
is
stable
B2=0: Unaided position,
1:
DGPS
position
B3=0: Constrained height,
1:
Solved
height
B4: Reserved
B5: Reserved
0x0100 - 0x0F00: Invalid solution codes
…
W5
Number of SVs visible
U08
0-32
1
W6
Number of SVs being tracked
U08
0-32
1
W7
Number of SVs used in solution
U08
0-32
1
W8
PDOP
U08
0-25.5
Lsb:
0.1
1
W9
Reserved
U08
1
Repetitive Blocks
Wn1
SV ID (PRN)
U08
1-32
1
Wn2
Channel tracking status
B0-B1: C/A tracking status
B2-B3: P1 tracking status
B4-B5: P2 tracking status
00: Acquisition or
reacquisition
01: Code loop
locked
10: Costas
loop locked
11: Full tracking with aiding and active
multipath reduction - all data is valid
B6=1: C/A Bit sync
B7=1: C/A Frame sync
U08
1
Wn3
Channel number
B5-B0: Logical Super Channel ID SV flag
B6=0: S/A is Off
1: S/A
is On
B7=0: A-S is Off
1: A-S
is
On
U08
1-31
1
Wn4
Current
IODC
U16
2
Wn5 Elevation
U08 deg
0-90
1
Wn6
Azimuth
U16 deg
0-359
2
Wn7
C/A C/No ratio
U08 dB/Hz
Lsb: 0.25
1
Table continued on next page