UNICORECOMM Unicore - ION Ionosphere Parameters

Command and Log Reference
54
120937058.902399,6,65,-
2430.128,4496,0,496.009,28331ca4,0,22,23013557.352,-
90310137.827397,4,51,-
1814.649,4769,0,496.009,21931cab,0,22,23013554.227,-
92666044.851554,4,50,-1862.045,5008,0,497.409,22331ca0*41
Table 6-20: Obsvh Message
ID
Field
Type
Descri
ption
Binary
Bytes
Binary
Offset
1
Obsvh
header
Log header
H
0
2
obs
Number
Number of corresponding observation
information
Ulong
4
H
3
System
Freqency
Satellite system
UShort
2
H+4
4
PRN/ slot
Satellite PRN number(starting from 1)
UShort
2
H+6
5
psr
pseudorange measurement, meter
Double
8
H+8
6
adr
Carrier phase(accumulated Doppler
range), cycle
Double
8
H+16
7
psr std
Pseudorange measurement standard
deviation, meter
UShort
2
H+24
8
adr std
Estimated carrier phase standard
deviation, cycle
UShort
2
H+26
9
dopp
Instantaneous carrier Doppler
frequency, Hz
Float
4
H+28
10
C/No
Carrier to noise density ratio
C/No = 10[log10(S/N0)]（dB-Hz）
UShort
2
H+32
11
Reserved
Reserved
UShort
2
H+36
12
locktime
Continuous tracking Time of satellite
signal, second
Float
4
H+38
13
ch-tr-
status
Tracking status of satellite signal, see
Table 6-19: Channel Tracking Status
4
H+42
14…
variable
xxxx
32-bit CRC(for ASCII and Binary only)
Hex
Hex
4
H+4+(#o
bs*42)
variable
[CR][LF]
Sentence terminator(for ASCII only)
-
-
-
6.2.3 ION Ionosphere Parameters
This log provides ionosphere model parameters.
Message ID: 8