Rangeb - Novatel WAAS G-III User Manual

Data Logs

5.5.12 RANGEB

This log contains the channel measurements. One log is output containing all the information for each tracked
L1 C/A GPS, L1 C/A SBAS, and L2 P(Y) GPS signal. The measurement data is grouped by SV channel.
Output states:
Valid trigger:
Frequency:
Message ID:
Header Format:
Field Field Name
1 header
2 #obs
3 prn
4 Reserved
5 Psr
6 Psr std
7 adr
8 adr std
9 Dopp
10 C/No
11 Locktime
12 Channel status
13... Next data set, offset = H + 4 + (#previous obs x 44)
Variable 32-bit CRC
WAAS G-III Reference Receiver User Manual Rev 1
Operational
ONTIME, ONCE
Requested frequency
43
Legacy Log
Description
Legacy log header
Number of data sets to follow
Satellite PRN tracked
Reserved
Pseudorange measurement (m)
Pseudorange measurement standard deviation (m)
Carrier phase in cycles (accumulated Doppler range) Double
Carrier phase standard deviation (cycles)
Instantaneous Doppler frequency (Hz)
Carrier to noise density ratio (dB-Hz)
Number of seconds of continuous tracking
Channel tracking status (see Table 46, Channel
Tracking Status on Page 116)
Chapter 5
Binary
Format # Bytes
Offset
H 0
Ulong 4 H
Ushort 2 H+4
Ushort 2 H+6
Double 8 H+8
Float 4 H+16
8 H+20
Float 4 H+28
Float 4 H+32
Float 4 H+36
Float 4 H+40
Ulong 4 H+44
H + 4 +
Hex 4
(#obs x 44)
115