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98 EuroPak-15a Receiver User Manual Rev 5
Chapter 6 Data Logs
6.3.13 TRACKSTAT Tracking Status
These logs provide channel tracking status information for each of the receiver’s channels.
Log Type: Synch Message ID: 83
Field
Field
Name
Description Format
Binary
Bytes
Binary
Offset
1 header
This field contains the message header, in ASCII or Binary
format. See Section 4.3 on Page 35.
H 0
2 sol status Solution status. See Table 38 on Page 81. Enum 4 H
3 pos type Position type. See Table 39 on Page 81. Enum 4 H+4
4 cutoff Primary antenna low elevation cut-off angle Float 4 H+8
5 # chans Number of hardware channel data sets to follow Long 4 H+12
6 PRN Satellite PRN number of range measurement Short 2 H+16
7 Reserved Short 2 H+18
8 ch-tr-status Channel tracking status. See Table 40 on Page 84. ULong 4 H+20
9 psr Pseudorange (m) Double 8 H+24
10 Doppler Doppler frequency (Hz) Float 4 H+32
11 C/No Carrier to noise density ratio (dB-Hz) Float 4 H+38
12 locktime
Number of seconds of continuous tracking (no
cycle slips)
Float 4 H+42
13 psr res Pseudorange residual from pseudorange filter (m) Float 4 H+46
14 reject
Range reject code from pseudorange filter. See
Table 49 on Page 99.
Enum 4 H+50
15 psr weight Pseudorange filter weighting Float 4 H+54
16... Next hardware channel data set, offset = H+16 + (# previous chans x 40)
variable
32-bit CRC (ASCII and Binary only) Hex 4
H+16 +
(#chans x 40)