Spectracom SecureSync User Reference Manual page 224

3.6 OTHER Setup Pages
"Generate Rinex/Yuma Files"
If the option
ated as a Rinex server, allowing other devices (e.g., GSG-series signal simulators) on your net-
work to access this SecureSync as a valid source for A- GPS ephemeris and almanac data,
instead of using external network A-GPS services.
Based on accessible and valid GNSS data, SecureSync generates its own ephemeris and
almanac data, and stores it in Rinex files, and Yuma files, respectively. You can determine how
often these files are generated, and when they will be overwritten.
Rinex files (ephemeris data) must be updated no later than every 2 hours, because the ephemeris
data is valid for 4 hours.
Yuma files (almanac data) are valid for day.
1.
To confirm that the
to TOOLS > SYSTEM > Upgrade/Backup . In the System Configuration panel the option
OPT-AGP AGPS Rinex Server
2.
To activate the A-GPS Rinex server functionality, navigate to INTERFACES > GNSS
Reference , and click the GEAR button next to the desired GNSS Reference (typically,
"GNSS 0").
3.
In the A-GPS panel, check the box Generate Rinex/Yuma Files , populate the following
options, and then click Submit to start logging ephemeris and almanac data.
208
NOTE – When manually setting a position, SecureSync must be in one of the
stationary modes, Standard
A-GPS Rinex Server License
A-GPS Rinex Server License
must be present:
Rinex File Every : [default = 10 s]
Generate Yuma once a day :
If checked [default], enter the desired time of day in the field Yuma File At
[default = 12:00].
If unchecked, determine how often a Yuma file is generated under Yuma File Every
[default=10 s; range = 10 s to 86400 s (1/day)].
or Single Satellite (see "Receiver Mode" above).
is installed on your SecureSync, the unit can be oper-
is installed on your SecureSync, navigate
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3 SecureSync User Reference Guide Rev. 18