GPS location plotting issue

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lance
Posts: 5
Joined: Tue Jul 05, 2016 7:05 am

GPS location plotting issue

Post by lance »

Hi, my plotted gps location seems to be snapping to fixed locations almost like it is cell phone towers instead of the true position. The location seems accurate when viewing my location on my phone on google maps app. Is there a setting on RTT2 or my phone I need to change to fix this?
lance
Posts: 5
Joined: Tue Jul 05, 2016 7:05 am

Re: GPS location plotting issue

Post by lance »

Example: Red track is the snapping problem track, green track is a friends correctly plotted track. We both road the same track.
http://i715.photobucket.com/albums/ww15 ... wxy2jh.jpg
admin
Site Admin
Posts: 3130
Joined: Tue Feb 06, 2007 12:36 pm

Re: GPS location plotting issue

Post by admin »

Hi,
Is it possible that you are using the same user name on two devices?
lance
Posts: 5
Joined: Tue Jul 05, 2016 7:05 am

Re: GPS location plotting issue

Post by lance »

Negative. We are definitely using different usernames on different devices.
admin
Site Admin
Posts: 3130
Joined: Tue Feb 06, 2007 12:36 pm

Re: GPS location plotting issue

Post by admin »

Could you please send your username (either here, or via PM, or via email)? I will check your account.
admin
Site Admin
Posts: 3130
Joined: Tue Feb 06, 2007 12:36 pm

Re: GPS location plotting issue

Post by admin »

OK, I looked at your account. It seems your tracker is OK, apparently your GPS has some measuring errors. This is a hardware problem and cannot be solved by the tracker. But maybe you could improve the situation a bit if you do following:
1.) Open the app settings
2.) Click "Expert settings"
3.) Scroll down to the last entry and click "Location fix send threshold".
4.) Change the value ""5", confirm with OK, and go back to the map screen.

This setting means that during the location update the tracker should not take the first coordinate it receives from your GPS but wait and take the 5th coordinate your GPS provides. So if your GPS has measuring errors it has some time to fix them until the 5th coordinate is sent to the tracker.

Note that this setting might cause a slightly higher battery consumption.
lance
Posts: 5
Joined: Tue Jul 05, 2016 7:05 am

Re: GPS location plotting issue

Post by lance »

Cool thanks, will try that this weekend when we go ride in the bush again and let you know if that solved it.
lance
Posts: 5
Joined: Tue Jul 05, 2016 7:05 am

Re: GPS location plotting issue

Post by lance »

Tested it this weekend and setting the "Location fix send threshold" to 5 sorted out the random plotting issue. :D
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