One of the cross checks I do is to use a bidirectional Mapillary track layer. I'd suggest fairly good for road centering in open places (ie no phase delay GPS reflections). No good for non covered cross street positioning of course.

Bob

On 23/6/22 11:45, Alex Sims wrote:

Hi,

I’ve now got a relatively (<$100 + postage) Mouse GPS. It is amazingly accurate. That’s the good news.

Now I can see a whole bunch of streets, buildings etc out by 1-5 meters as **some** features were traced without correcting the image offset. Also found my cheap GPS and an OSX machine are not a great combination. GPSD gets confused and ends up with mojibake most times. Virtual serial port is fine in screen, QGIS etc.

Still fun

Alex


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