GPS Accuracy - HTC Sensation

I'm on CyanogenMod 10.1.2 and I'm using Strava to record my cycling rides. For some weird reason the new track I rode isn't accurately recorded as you can see in the image attached. The lines are straight and not curved with the track. My friend that rides with me records his rides also and he's using a Nexus 4 and on his map it looks perfect. I attached the same part of the track from his map so you can see the difference.
I was wondering if the problem is with the GPS receiver being inferior to the Nexus 4 or is it a software issue?

I think that this is a software issue, open in app that you are using and search for gps settings or something there will byte probably to set gps refresh rate or to change on how many meters to track or fix gps peaks or something like that...(you can try another app and see does will be the same )
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Mile_zdr said:
I think that this is a software issue, open in app that you are using and search for gps settings or something there will byte probably to set gps refresh rate or to change on how many meters to track or fix gps peaks or something like that...(you can try another app and see does will be the same )
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Well, Google Maps is the tracking app, Strava only shows the relevant cycling data. So I think it's something with Maps that is incorrect. Couldn't find any GPS settings in it. I did turn off Google Location Services, maybe if I enable it the tracking will be more accurate? Or maybe it's just that Maps version that is buggy. Also, I'm not updating to Maps 7 cause it's buggy for some reason.

Pierrot Lunaire said:
Well, Google Maps is the tracking app, Strava only shows the relevant cycling data. So I think it's something with Maps that is incorrect.
Couldn't find any GPS settings in it. I did turn off Google Location Services, maybe if I enable it the tracking will be more accurate?
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why don't you try app like runkeeper https://play.google.com/store/apps/details?id=com.fitnesskeeper.runkeeper.pro&hl=en
Or something like My Tracks from google https://play.google.com/store/apps/details?id=com.google.android.maps.mytracks&hl=en
and see how it goes

I already have a pretty nice database of rides recorded on Strava so it's kind of a bummer to switch apps now, but I will try for the testing.
Thanks

--

It's weird, I actually just checked my past recorded rides and there the lines are correct. It's only recently that it started recording with these straight lines... I just have to figure out what have changed...

I figured out what was the problem in case anyone else is interested. I recorded those past rides with Maps 7 and since it was a bit glitchy I reverted back to Maps 6.14.4. Turns out the older version just tracks straight lines. I'm back with Maps 7 and the tracking is perfect!
I hope my phone won't go too crazy with Maps 7. As long as it tracks my rides correctly I'm glad

Great ,What i have told you it's a software problem
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Related

AT&T Mark the Spot app is GPS fix

Download this app from market, start it, it ALWAYS locks on immediately, then start google navigation. No workarounds, no fiddling with gps settings, no cursing samsung, no sh*t!
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Really? Straight from the market quote:
"AT&T Mark the Spot is an application that provides customers a means to provide feedback on network user experience on AT&T"
How does this affect GPS?
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cappysw10 said:
Really? Straight from the market quote:
"AT&T Mark the Spot is an application that provides customers a means to provide feedback on network user experience on AT&T"
How does this affect GPS?
Sent from my SAMSUNG-SGH-I897 using XDA App
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Click to collapse
It sends AT&T information on signal strength, etc. as well as your GPS location, so they can fine tune connectivity issues in that area. So it does have to do with GPS stuff. I suppose it's possible that it fixes the GPS stuff too, temporarily. Anyone else want to test and verify?
I installed the AT&T app and tried it and it worked! I haven't been able to get a GPS lock inside my house since I bought this thing, but I got one sitting in my office here in about 10 seconds. Launched the AT&T app first, then went to Maps and it popped right up. Until Samsung/AT&T can push a fix, I think this will work as a good work-around. Thanks!
I tried it and at first I thought it worked, but I had wiring on, so it was just using thuat... I turned it off and it returned to being four or more blocks away from where I am with a massive blue circle covering almost my entire town. Sigh.
cappysw10 said:
Really? Straight from the market quote:
"AT&T Mark the Spot is an application that provides customers a means to provide feedback on network user experience on AT&T"
How does this affect GPS?
Sent from my SAMSUNG-SGH-I897 using XDA App
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Click to collapse
When you click Install, it says:
This application has access to the following:
Your Location
coarse (network-based) location, fine (GPS) location
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Click to collapse
So I'd say it has something to do with GPS.......
that being said, I haven't seen an immediate change as the OP said, but I'll give it some time and not slam this based on the first 2 minutes of using it!
I installed it and using both wifi and gps settings it's still off by 5 miles! Come on AT&T/Samsung get you act together.
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The app probably set the GPS to 'MS Assited' mode because it needs the raw sat data and caculate your location from the server end, instead of on your phone. That's why it is fast and accurate (as long as you're not moving much). But it won't really cure your GPS problem because you will need your GPS on standalone or MS Based mode for your Nav app.
this is looking like it works, folks..... I have the GPS recommended fix settings from the stickied thread, and I'm getting good results with this! Connects fast and has not lost signal while driving - two very common issues people are having.... I haven't had anything to complain over, especially if you understand that you can't open and close a bunch of apps that use GPS at once while the other is trying to get a lock - for the first time EVER, Seesmic was able to find my location to post a tweet while indoors at home, it sure didn't do that before downloading this app!
GarciaM25 said:
When you click Install, it says:
So I'd say it has something to do with GPS.......
that being said, I haven't seen an immediate change as the OP said, but I'll give it some time and not slam this based on the first 2 minutes of using it!
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Click to collapse
That permission request message actually a pretty good indicator that it goes through the same api that every other gps app on the market goes through. (locationProvider methods) I dont see how it could do anything...but hey who knows.
Tried it. Still not accurate. Off by approximately 4-6 blocks. I'm in my house with one/two bar's on 3g.
I've been telling samsung about this for about a week now. They have passed the info to their R&D folks working on the GPS issue.
Doesn't do a thing for me.
I'm pretty sure that the GPS software issues are at a lower level. All the apps that use location based services (Google Maps, Navigate, Yelp, Around Me, etc.) can use the same functions to activate the GPS and obtain a location. It is VERY unlikely that an app will write it's own low-level code to operate the GPS hardware - mostly because it costs more money to develop in that manner. Also, as a developer it's usually better to assume that existing code has been tested and is safe to re-use.
its from att so its not a fix
sent from a 42 node T.I. 89 cluster
I changed my gps server to supl.google.com and that with gps test (From the app store) really helps you lock on. If it locks usually pretty quick 20-30 secs its less than 16 feet... Lock first with gps test and then navigation... Locks 80% of the time pretty quickly and you see the triangulation of the satellites. Faster if you are outside obviously.....
I cant find this app neither the Market or AppBrain . Could you guide me to install the Mark the Spot. Tks
batis said:
I cant find this app neither the Market or AppBrain . Could you guide me to install the Mark the Spot. Tks
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Click to collapse
Try the AT&T app center in the market.
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Thanks for the recommendation. Unfortunately, at this point I think my GPS is completely borked.
I had been using Runkeeper to prime my GPS for a couple days, but that stopped working. Mark the Spot isn't giving me a lock either. I'm outside on a clear day, and it's been trying to lock for about six minutes. Position Test is reporting eight satellites in view, but no dice.
It's great when these workarounds work, but it will be nice if and when Samsung is able to fix this.
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Have read similar results in other forums about firing up AT&T Navigator, but not accepting EULA and starting Google Maps? Pretty close, but nowhere near acuracy of any three previous HTC devices I have owned. I also didn't update Google Maps as recommended elsewhere also
Flashed my phone to the JH3 firmware with SRE 1.2.1a and tayutama lag fix ext2. So far ive been getting gps lock in under 5 seconds outside and at the most 15 seconds inside my house or job with 5 meter accuracy. Still a little lag with the gps while using google navigation, but like 200% better then when i first got the phone.

GeoLocation not accurate on my Desire S

I would like to ask if this is a "known" issue on the desire S. Because whenever I try an app which has a geolocation feature , Ex. Facebook check in, lightbox, etc, my location and places nearby are not accurate. It's showing a location that is 8-10km off on my actual location. I'm using a wifi connection when running these applications.
I tested my brother's galaxy tab with the same application, and to my surprise, the location shows exactly where I am and places nearby are also displayed like coffee shops, buildings, supermarket, etc etc.
ghuk said:
I would like to ask if this is a "known" issue on the desire S. Because whenever I try an app which has a geolocation feature , Ex. Facebook check in, lightbox, etc, my location and places nearby are not accurate. It's showing a location that is 8-10km off on my actual location. I'm using a wifi connection when running these applications.
I tested my brother's galaxy tab with the same application, and to my surprise, the location shows exactly where I am and places nearby are also displayed like coffee shops, buildings, supermarket, etc etc.
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Click to collapse
I have notice also that for the meteo location the accuracy is not perfect.
On my hd mini the city is correct but with the desire s it shows the town that is 5 - 10 km near where I 'm.
Try running GPS Fix first, get a fix and then run those apps again.
After updating google maps, my location now shows that I'm in China! wtf? It's really waaay ooff now, I'm currently in the Philippines. :/
try to move to china
Tik_Tak said:
try to move to china
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Pmsl!
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I noticed my satnav putting me beneath the road very often. I used GPS Status to look at the gps details. Then a saw that it had a faulttolerance of between 30 and 150 mtrs. So I am not speaking kilometers ;-) but after letting GPSFix get a fix the problem disappeared, and now I am getting a failt tolerance of between 3 and 8 meters. (location the Netherlands). So GPS Fix somehow helps, I understood it has to do with loading a-gps data?

GPS continually starting multiple times

Like title says. Today my GPS began randomly starting every few minutes. I have not installed any new apps or made any other changes, so I can't figure out what is causing this.
Any suggestions?
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What rom, any kernel changed, dropped the phone?
Sorry, its totally stock other than a handle full of apps. No drops, and has been in an Otterbox Defender from day 1.
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Depending on what you are doing on the phone, and your location settings, it is normal for gps to start automatically. Ie doing a Google search when you have GPS enabled and have allowed Google to access your location as they say "to provide better search results"
Or it could be your wife logging into your htcsense account and using the locate phone feature to find you
LOL. Sitting here with the wife and watching GPS activating. Also, have location access disabled on Google.
This is really strange. I've had the phone a while now, and this is new behavior. It happens even after I have force closed all the apps that might happen to use GPS.
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For anyone interested by monitoring the GPS events while watching running apps, I was able to find the culprit. It was the AT&T Mark The Spot App causing GPS to keep activating. Even after doing an FC of the app, within minutes it would start itself again and then GPS would start firing up again. Uninstalled the AT&T app: problem solved. I had the app for a good while, and this was a fairly recent bug.
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How about GPS???

Hello,
I am thinking of buying the Samsung Galaxy Tab 2 7.0 WIFI P3110 but I have a question.
One of the things I really like to have on it is GPS. When I google for this model I get contradicting information. One website says it has build-in GPS while another website says it doesn't. Then somewhere else I read it uses A-GPS. I'm really confused now.
What I want is this: to be able to navigate without the use of a data connection. Is this possible???
Hope you guys (and girls) can help me out
My P3113 has GPS and it works fine. I'm guessing the P3110 has GPS as well, as I think the only difference is a lack of the IR Blaster.
yep
I've been unable to use navigation using just GPS.
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I also have the P3113 gmaps works fine with GPS also installed CoPilot works just as well
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@Lehocki
So is this working fine with just the GPS??? Or do you also have a data connection at the same time???
Galaxy S i9000 said:
@Lehocki
So is this working fine with just the GPS??? Or do you also have a data connection at the same time???
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When you speak of GPS and a data connection, you're talking about two different things. The GPS is basically a radio receiver that interprets the signals from orbiting satellites to determine your position. This capability is already present with the Tab. The practical application of this GPS data requires some kind of map interface to display the location information (from the GPS receiver). The "data" connection is needed to download the actual maps that display on your device as you move. Google maps does this. There are however programs that allow you to download all the needed maps at one time in advance and then store them on your device. Then when using the GPS, the data connection isn't needed because the maps are already on board. Two examples of this are CoPilot GPS and Back Country Navigator. I've used both and they work great. Hope this helps.
Google maps has a feature to save maps for offline use. I haven't actually tested it without a data connection though
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Yeah the GPS works great on mine. Very quick lock on and very accurate. Unfortunately I haven't tried it without a data connection, so I don't know how it works while you are out.
PickledJaW said:
Yeah the GPS works great on mine. Very quick lock on and very accurate. Unfortunately I haven't tried it without a data connection, so I don't know how it works while you are out.
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Click to collapse
Same as me, on my GT-P3110 with a navigation map out of data:good:
OK, reviving this thread a lil bit. I recently cracked the screen of my Nexus 7. In the market for getting another tablet. The primary use of the N7 has been as a media center/navigation for my car. I listen to pandora and use Google Maps being tethered to my smartphone. The GPS is important as I have to make a few 18 hour trips halfway across the country and back to pic up my son for my time with him...and then repeat the trip to take him back. I have found a couple used galaxy tab 2's locally on craigslist. Having not really looked into the GTab 2, would this be a suitable replacement for my N7 or do you think I should just get another N7? Open to suggestions.
Endoroid said:
Google maps has a feature to save maps for offline use. I haven't actually tested it without a data connection though
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Click to collapse
I don't think routing or searching for businesses etc works in offline mode. All you can do is view the map. Google doesn't believe you have the right to use navigation offline. You must always be connected.

GPS fix

For several weeks now, the compass was broken, but I could live with the view from top at the maps. Now it won't even find my GPS. Also, when I activate to check in to a location to Instagram, it shows a different location than where I am, and I have to use the search. How can I fix it? I live in Greece.
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I am facing issues with GPS as well. I am facing issues with Google navigation. GPS doesn't fix. It takes too much time. I used GPS fix app which fixes GPS in 1-2 min. Still Google map takes 15-20 mins to figure out where I am on the map and start navigation correctly. Is it a ROM problem? Currently i am using resurrection remix. When I was using Blisspop, navigation was slower than the car speed. Means few mins after I take a turn, Google map would instruct me to take a turn. Any idea what could be the problem? I recently did a clean flash. But that didn't fix the issue.
Missed one more point, after 15-20 mins GPS locks and Google navigation starts working. But frequently it would announce GPS signal lost. To test, I kept running my nexus 4 in parallel. Nexus 4 locks GPS instantly and on the same route never losses GPS signal.
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Any one?
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Try GPS Status to calibrate the compass and Faster GPS to set your continent and region.

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