0xef - clock drift and offset - 32 bytes – NavCom LAND-PAK Rev.N User Manual
Page 169
Technical Reference Manual Rev. N
Blk = All;
Blu = IOP w/Internal Radio
;
Red = IOP & LBM
;
Grn = Engine only
167
0xef - Clock Drift and Offset - 32 bytes
Record
Usage
Command - No
Response - Yes
Input: Not used;
Output: reports navigation status, clock drift and offset information
Ref
Message Field Description
Data
Type
Units
Range
Scale
Byte
Count
STX
02
(hex)
U08
1
PRA1 99 (hex)
U08
1
PRA2 66 (hex)
U08
1
ID
ef (hex)
U08
1
Length 0x0020
U16
2
W1
GPS Week – from 6 Jan 1980
U16
week
0 - 65535
2
W2
GPS milliseconds in week
U32
sec
0 - 604799999
4
W3
Oscillator Temperature
S08
degrees C
-128 – 127
1
W4
Navigation Status (valid/invalid)
U08
1
W5
Navigation Clock Offset
R64
µsec
8
W6
Navigation Clock Drift
R32
µsec
4
W7
Oscillator Filter drift estimate
R32
µsec
4
W8
Accumulated time slew value
S32
µsec
-2147483647 -
2147483646
Lsb:
1/1023
ms
4
CKSM Checksum
U08
1
ETX
03
(hex)
U08
1
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