Indicator arrow drifts all over the map.
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Your GPS position on your screen is already heavily influenced by the software. That is why this issue is a software problem not really an GPS reception problem.
@M.-Schrijver, You really think no GPS signal due to tunnels is a software problem...
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No. How the indicator moves on your screen is a software thing.
The GPS reception data is the same for al navigation apps but how we see it on our phone screen is all software. That's why you read messages where people states that MRA has issues with GPS position and other apps don't. -
A few weeks ago i did a route with MRA which has a few short tunnels. When i leave these tunnels. The GPS indicator was still at the start of the tunnel. After a few hunderd meter the GPS position was back on track.
Yesterday i used HereWeGo for A to B route with also a tunnel. Also HereWeGo had troubles with the tunnel.Both rides where done with different vehicles and different phones.
@M.-Schrijver Hmm, odd, i was driving in a tunnel of about 3 km and MRA did a good job of following the route. I had to exit at 800 meters out of the tunnel and it worked great for me. I was “online” at that time.
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@M.-Schrijver Hmm, odd, i was driving in a tunnel of about 3 km and MRA did a good job of following the route. I had to exit at 800 meters out of the tunnel and it worked great for me. I was “online” at that time.
@ErikMatthezing some tunnels have a service that makes it possible to have GPS and internet reception. Others, most of them, don't. If you marker kind of kept up with your actual position could be that is was a calculated guess of MRA where you could be in the tunnel. My guess is that that tunnel didn't have a service as I stated and you lost the actual connection outside of the tunnel and it took 800 meters to detect 3 or more satellites
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All apps try to simulate the same behavior.
I've seen MRA work, I've seen it fail in tunnels.
The same for Google Maps, Waze and an XT2
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Most scenic route tunnels don't have fallback for GPS and cellphone.
Tunnels are normally known on the maps. And it is known GPS signal is gone in tunnels. So the software must take over. Every software has it own way of doing this. Mostly the software expects you drive at a constant speed through a tunnel and after leaving the tunnel (according to the map) they stay on this course for a while. In the mean time, the software tries to find the GPS signal again and links to the GPS again for a more accurate postion. -
Now back and had no drifting arrow. as said before i had an arrow that in 25% of the time was behind. i did test today on other app and no problems. if it was behind i had to restart the app.
i use offline and no recalculation.an other thing that seems not to work is starting a track in offline mode.
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I have the same problems with the "arrow behind" case. Well not only arrow but also the navigation itself.
"In 400 meters turn right", a split second later "turn right now"...Geluk/verliefdheid is net als in je broek plassen. Iedereen ziet het alleen jij voelt het.
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I have the same problems with the "arrow behind" case. Well not only arrow but also the navigation itself.
"In 400 meters turn right", a split second later "turn right now"...@Lex.Kloet.RX said in Indicator arrow drifts all over the map.:
I have the same problems with the "arrow behind" case. Well not only arrow but also the navigation itself.
"In 400 meters turn right", a split second later "turn right now"...when it is behind i get message on the crossing so to late. but as i said it is not always behind. also i have no other gps apps running and also no tracking.
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This lagging is also visible in the tracklog. Less trackpoints and thus more straight lines.
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