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Chapter 6
6.3.10 SATVIS Satellite Visibility
This log outputs satellite visibility data and additional satellite information based on the specified position type.
See also the POSITIONTYPE command on Page 61.
Log Type: Synch
Field
Field
Name
1
header
2
sat vis
3
comp alm
4
#sat
5
PRN
6
Reserved
7
health
8
elev
9
az
10
true dop
11
app dop
12
Next satellite data set, offset = H + 12 + (# previous sat x 40)
variable
32-bit CRC (ASCII and Binary only)
a. Satellite health values may be found in ICD-GPS-200. To obtain copies of ICD-GPS-200, refer to ARINC. A
list of standards and references with contact information can be found in the GPS+ Reference Manual
available on our website at
Recommended Input:
LOG SATVISA ONTIME 60
ASCII Example:
#SATVISA,COM1,0,44.0,FINE,1039,490308.000,00000028,6002,0;
TRUE,TRUE,27,
14,0,0,74.5,267.4,458.2,458.926672761,
25,0,0,61.3,73.7,-1252.6,-1251.902056196,
1,0,0,55.9,277.4,1799.2,1799.897879028,
16,0,0,33.6,305.9,2874.8,2875.534296744,
...
26,0,0,-82.0,114.8,-188.9,-188.237459086*bf8c9522
94
Description
This field contains the message header, in ASCII or Binary
format. See Section 4.3 on Page 35.
Indicates if the satellite visibility is valid. See
Table 47 on Page 95.
Indicates if the complete almanac was used. See
Table 48 on Page 95.
Number of satellite data sets to follow
GPS satellite PRN number of range measurement
(GPS only).
a
Satellite health
Elevation (degrees)
Azimuth (degrees)
Theoretical Doppler of satellite (Hz)
Apparent Doppler for this receiver (Hz)
http://www.novatel.com/support/docupdates.htm.
Binary
Format
H
Enum
4
Enum
4
ULong
4
Short
2
Short
2
ULong
4
Double
8
Double
8
Double
8
Double
8
Hex
4
EuroPak-15a Receiver User Manual Rev 5
Data Logs
Message ID: 48
Binary
Bytes
Offset
0
H
H+4
H+8
H+12
H+14
H+16
H+20
H+28
H+36
H+44
H+12+
(#sat x 40)
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