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94 EuroPak-15a Receiver User Manual Rev 5
Chapter 6 Data Logs
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 Message ID: 48
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
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 sat vis
Indicates if the satellite visibility is valid. See
Table 47 on Page 95.
Enum 4 H
3 comp alm
Indicates if the complete almanac was used. See
Table 48 on Page 95.
Enum 4 H+4
4 #sat Number of satellite data sets to follow ULong 4 H+8
5 PRN
GPS satellite PRN number of range measurement
(GPS only).
Short 2 H+12
6 Reserved Short 2 H+14
7 health
Satellite health
a
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
http://www.novatel.com/support/docupdates.htm.
ULong 4 H+16
8 elev Elevation (degrees) Double 8 H+20
9 az Azimuth (degrees) Double 8 H+28
10 true dop Theoretical Doppler of satellite (Hz) Double 8 H+36
11 app dop Apparent Doppler for this receiver (Hz) Double 8 H+44
12 Next satellite data set, offset = H + 12 + (# previous sat x 40)
variable 32-bit CRC (ASCII and Binary only) Hex 4
H+12+
(#sat x 40)