Page 14 of 42
information on registering for this service:
Upon registration to the service, a token shall be issued that permits access to the HTTP server. Typing the following URL format into a web
browser should obtain a new
file:
mgaoffline.ubx
This assumes an almanac for a 4 week period with data for both the GNSS and GLONASS satellite systems.
Note that it is necessary to add your own token to the URL otherwise this will result in a
error from the AssistNow offline server.
Bad Request
To apply the almanac file to the tracker board, enter the following command:
$ sudo gps_almanac --file mgaoffline.ubx
5.11. Program the GPS module general configuration settings
It is recommended to use the pre-generated GPS ASCII configuration file supplied
found inside the tracker_config tools folder
. However, it is
possible to edit the configuration
settings, for example, using the u-center tool.
To apply the GPS ASCII configuration to the
Horizon
board, enter the following command:
$ sudo gps_ascii_config --file ublox_gnss_configuration.dat
The GNSS settings are configured broadly as follows:
Hot start GNSS
GPS reporting once per second
Optimised for maritime tracking applications
All GNSS satellite systems enabled
Reporting of TTFF and POS messages only
5.12. Program the
ARTIC R2
satellite
firmware
The ARTIC firmware is packaged into 3 seperate files;
. These need to be combined for use on the
ARTIC.XMEM ARTIC.YMEM ARTIC.PMEM
tracker board. To do so use the following line where
points to the folder that contains the aforementioned files:
--path
$ sudo artic_mems_to_firmware_file --path path/to/artic/firmware/ --output Artic_firmware.bin
Once this file has been generated, transfer it to the tracker board with the following command:
$ sudo tracker_config --firmware_type ARTIC --firmware Artic_firmware.bin
5.13. Collect the satellite orbital information for the configuration file
To collect the latest satellite orbital information visit the Argos website at:
After signing in you
ensure that your time is set to UTC. This can be confirmed by checking the top right of the webpage as seen below
MUST
Arribada Horizon ARTIC R2 Developer’s Kit | User Manual