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From: | Hans Mayer |
Subject: | Re: ppp averaging and circular error of probability |
Date: | Sun, 18 Sep 2022 09:12:24 +0200 |
User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 |
Yo Gary, many thanks for you feedback.
UBX-NAV-SAT knows nothing of multuiple signals (l1 & L2, etc. It is only for back compatility. The new UBX-NAV-SIG is for use with the newer signals. That is confusing gpsd. You need to configure your u-blox properly.I will try to do so.You can use ubxtool to fine tune the u-blox setting. Non-trivial, but the examples work.
I don't own the ZED-F9P very long. Therefore I didn't reconfigure the u-blox very much. But if I understand your documentation correct it's almost always possible to reset the device and bring it into a default setup.
The only concern I have, if I change the speed and something goes wrong, how to communicate with the device.
What I do not understand completely, why do we see the satellite statistics if gpsprof is connected to gpsd but not if gpsdecode is reading the raw file?They are different programs that do different things. Hard enough to get the gpsd clients to work with good data, much less bad data. Feel free to dig deeper if you wish. Can you remind me how your are running gpsd?
/usr/local/sbin/gpsd -G -n -s 38400 /dev/serial0 /dev/pps0 commit 24616036ca687289e80fdb9e0cf6e44ecda2585f And I see I am several commits behind. // Hans
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