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
1header This field contains the message header, in ASCII or Binary
format. See Section 4.3 on Page 35.H 0
2sat vis Indicates if the satellite visibility is valid. See
Table47 on Page 95.Enum 4 H
3comp alm Indicates if the complete almanac was used. See
Table48 on Page 95.Enum 4H+4
4#sat Number of satellite data sets to follow ULong 4H+8
5PRN GPS satellite PRN number of range measurement
(GPS only). Short 2H+12
6Reserved Short 2H+14
7health Satellite healtha
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 4H+16
8elev Elevation (degrees) Double 8H+20
9az Azimuth (degrees) Double 8H+28
10 true dop Theoretical Doppler of satellite (Hz) Double 8H+36
11 app dop Apparent Doppler for this receiver (Hz) Double 8H+44
12 Next satellite data set, offset = H + 12 + (# previous sat x 40)
variable 32-bit CRC (ASCII and Binary only) Hex 4H+12+
(#sat x 40)