Spectracom GSG-5 series, User Manual With Scpi Manual

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Scenario File Key
word
Parameter Value Comment
StartTime Valid date in the format:
MM/DD/YYYY
HH:MM:00
Source
Valid range limited to:
MIN GPS: 00:00 on 6th
of January 1980
MIN GLONASS: 00:00
on 1st of January
1996MAX: 23:59 on 31st
of December 2100
Source: [0, 1]
Start time in the GPS Time time frame.
Note that seconds must be set to zero.
When scenario ephemeris data is set to Download,
then StartTime must be in the past (typically with a 1-
day added margin) to allow the data to be available
for downloading.
The optional Source value defines where the simulation
gets its Start Time.
The default value is set.
0 – Set (fixed value)
1 – NTP (current time)
Ephemeris Keyword or filename.
Available keywords:
{'Default', 'Download'} Default indicates that the unit will re-use internally avail
able files to build a navigation data.
'Download' means that the unit attempt to download
the data from ftp site.
Default: 'Default'
Filenames are used to specify RINEX and GPS/QZSS
YUMA Almanac navigation files.
Several files are separated by comma.YUMA almanac
files are identified by the .alm case- insensitive file exten
sion.
The old keyword
NavigationData has the same mean
ing as keyword Ephemeris and is accepted for back
ward compatibility.
Duration DAYS HOURS MINUTES
REPEAT
where the values are
INTEGER values with the
following ranges;
DAYS: [0, 31]
HOURS: [0, 23]
MINUTES: [0, 59]
REPEAT: [0,2] The REPEAT value indicates what the scenario will do
once scenario has reached its end.
0 – stops
1 – re-starts
2 – forever.
The 'forever' option (2) requires
Ephemeris to be set to
Download.
GpsSatellites [-1, 5], for GSG-52/53
[-1, 8], for GSG-54
[-1, 16], for GSG-55
[-,16], for GSG-56 Maximum number of signals in view at any given time.
Keyword '-1' implies 'Auto' – maximum number of Satel
lites in view to be simulated
Default: 5/8/16 depending on GSG model
The old keyword
NumSignals is accepted and inter
preted as GpsSatellites.
GlonassSatellites [-1, 5], for GSG-53
[-1,16], for GSG-56 Default: 0
Keyword -1 implies 'Auto' – maximum number of Satel
lites in view will be simulated.
GalileoSatellites [-1, 36] Default: 0
Keyword -1 implies 'Auto' – maximum number of Satel
lites in view will be simulated.
5.13 Scenario File Format
CHAPTER
5
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User Manual GSG-5/6 Series Rev. 26
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