accessed by other devices (e.g., GSG-series signal simulators) on your network, making this
NetClock unit a valid source for A-GNSS ephemeris and almanac data.
M8T receiver
If the option RINEX Server License (
OPT-AGP
) and a
u-blox M8T
GNSS receiver are installed
on your NetClock, it can be operated as an
A-GNSS server
by providing you the option to
select not just GPS, but also Galileo and/or BeiDou, thus allowing the collection of RINEX3 nav
igation files and almanac files for the GPS, Galileo and/or BeiDou constellations. At this time
the GLONASS constellation is NOT supported.
Caution:
Do NOT use GLONASS when operating NetClock as an A- GNSS
server, since this will likely crash the A-GNSS software.
Based on accessible and valid GNSS data, NetClock generates its own ephemeris and
almanac data, and stores it in RINEX files and YUMA files, respectively.
Note:
RINEX files (ephemeris data) must be updated no later than every 2 hours,
because the ephemeris data is valid for 4 hours.
Note that you can specify for a Trimble
RES-SMT GG
receiver how often the RINEX3 data is
updated ("
Generate Rinex File Every ... second
"). This is not needed for
u-blox M8T
receivers
since their data will be updated as needed automatically.
You can also determine how often, or at what time each day the YUMA almanac files will be
created. Also, you can assign a 4-character
Station Name
to be used in the files generated by
this unit so that their location can later be identified. Under
Record Duration
, you can determ
ine after how many days the history files will be overwritten.
Note:
YUMA files (almanac data) are valid for day.
The files can be remotely accessed via the
/pub
path on the NetClock or via the mapped
drive.
Confirming that the A-GPS RINEX Server License is installed on your unit
Navigate to
TOOLS
>
SYSTEM: Upgrade/Backup
. In the
System Configuration
panel
the option
OPT-AGP A-GPS RINEX Server
must be present.
Activating the A-GPS RINEX Server License functionality
If an A-GPS RINEX Server License is installed on your unit, you have to activate it:
208
CHAPTER
3
•
NetClock User Reference Guide
Rev.
16
3.3 Managing Input References
Summary of Contents for NetClock 9400 Series
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Page 42: ...BLANK PAGE 1 11 Regulatory Compliance 26 CHAPTER 1 NetClock User Reference Guide Rev 16...
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Page 238: ...BLANK PAGE 3 5 Managing the Oscillator 222 CHAPTER 3 NetClock User Reference Guide Rev 16...
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