Novatel WAAS G-III, User Manual

Page: 125 / 146

Data Logs Chapter 5
WAAS G-III Reference Receiver User Manual Rev 1 125
5.5.19 TIMESOLUTIONB
This log outputs the information about the receiver clock offset and the results of the TRAIM calculations.
Output states : Operational
Valid trigger : ONTIME, ONCE
Frequency : When requested
Message ID : 4107
Header Format : G-III Log
Field Field Name Description Format # Bytes
Binary
Offset
1 header G-III log header H 0
2 ClockModel
Status of the clock model
0 = Not Computed
1 = Computed
Enum 2 H
3 Signal Type
The signal type from which the clock model was
computed.
0 = L1 C/A GPS
65535 = Unknown (not computed)
Enum 2 H+2
4 Clock offset Receiver clock offset (μs) Double 8 H+4
5 Offset std Receiver clock offset standard deviation (μs) Double 8 H+12
6 Clock drift Receiver clock drift (μs/s) Double 8 H+20
7 Reserved Reserved Ulong 4 H+28
8 #channels Number channels Ulong 4 H+32
9 svChan SV channel Ushort 2 H+36
10 sigChan Signal channel Ushort 2 H+38
11 PRN Satellite PRN Ushort 2 H+40
12 Reserved Reserved Ushort 2 H+42
13 TRAIM status
Time solution status word
See Table 50, TRAIM Status on Page 126
Ulong 4 H+44
14 Residual TRAIM residual (m) Float 4 H+48
15 SVclockoffset Calculated satellite clock offset from ephemeris (m) Float 4 H+52
16 IonoCorr Ionospheric correction to range residual (m) Float 4 H+56
17 TropoCorr Tropospheric correction to range residual (m) Float 4 H+60
18 Sv pos X Satellite position from ephemeris X coordinate (m) Double 8 H+64
19 Sv pos Y Satellite position from ephemeris Y coordinate (m) Double 8 H+72
20 Sv pos Z Satellite position from ephemeris Z coordinate (m) Double 8 H+80
21… Next data set, offset = H + 36 + (#previous channels x 52)
Variable 32-bit CRC Hex 4
H + 36 +
(#channels
x 52)