I am trying to use the following GPS HW using gps-genom3
SIRIUS RTK GNSS ROVER (F9P)
SIRIUS RTK GNSS BASE (F9P)
I created two instance of the components on the same PC, one for the base and one for the rover. I was able to connect to both of them, and connect them together for the rtk data (localhost ip, udp port of choice ). However I always 'Input/output error' whenever I call
unfix fix fix_here send_rtcm
Updated by Youssef Aboudorra about 2 months ago
If it would be any help, this is the link for the base module we have :)
Updated by Youssef Aboudorra about 1 month ago
Hello, sorry for the late response but I wasn't notified when you updated the repository, only when you changed the status of the issue yesterday.
By subscribing to the email@example.com mailing list will I be notified later about any updates in the repository ?
Regarding the issue, I tested it and the problem seems to be solved:
- I was able to set the HW in base mode using fix_here() and send the RCTM messages.
- the mobile station connects to the base station and receives the messages
- fix type is ::gps::fix_fixed for the base station
- fix type is ::gps::fix_float for the mobile station
Is there any guide on how to get the max accuracy fix for the mobile station (procedure, which rctm messages to enable, interval,offset )?
I am currently using these RCTM messages: (1005, 1077, 1087,1127)
Thanks a lot for your support Anthony :)
Updated by Anthony Mallet about 1 month ago
- Status changed from Feedback to Closed
Yes, firstname.lastname@example.org gathers commits messages related to the
robot platform at LAAS, and it has been notified of got those
commits. I thought redmine would notify when adding a related commit
to an issue, but apparently it does not.
You should aim at gps::fix_rtk rather than fix_rtk_float for the max
precision. There is no definite trick to reach this, it is mostly a
matter of having a good satellite visibility, clear sky, no
surrounding buildings etc. The ublox manual has a few hints, check it:
https://www.u-blox.com/en/docs/UBX-18010802 (section 3.1.5). You
should also set the base station position to the best possible
precision, for instance by averaging the position for 1 day or more.
RTCM 1005 can be broadcasted at a very low frequency, like 30s
period. MSM7 messages may be broadcasted at like 2s period. Note that
for glonass (1087), you also need 1230 (as stated in the ublox
manual). It might also be worth checking the 4072.0 proprietary
messages (with e.g. Ucenter) to see if they provide improvements or