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Surge GPS inaccurate

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Hi everyone,

 

I've noticed fairly regular inaccuracies with my Surge's GPS. 

 

Every few runs the GPS is obviously out, as in the picture below - it's a run which started and finished in the same place, but one would never believe it from the map. The GPS was completely out for the first 2km or so, despite waiting for a GPS lock before setting out. This seems to happen most often at the end of a run.

 

 

Run.png

 

Do I have a buggy unit or is this a general problem that Surge users have? Is there anything I can do to fix it?

 

P.S. I very much enjoy using Fitbit's products and services!

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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Hi there @pedris, thank you for keep me posted how it goes this issue. Sometimes this have happened to me when I go for a short run. There is a radius of distance the GPS will pinpoint your location and sometimes wont reflect the actual course you have took it. To give you an example, it will show you were running across the street, but in reality you were running in straight line. However this shouldn't impact your final result specifically talking about distance, amount of steps and other stats. Although the actual accuracy depends on both your environment and the weather.

 

If you have tried already the restart I mentioned before, and the issue still persist. We have come to the point to approach our Support Team. So they can review your device history with you, just let them know all the steps we have reviewed here.

 

See you around and if you have more questions, you know where to find me. Robot wink

Roberto | Community Moderator

"Great things are done by a series of small things brought together.” What's Cooking?

View best answer in original post

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Are there a lot of tall buildings or lots of heavy tree cover on the route mapped above?

 

I ask because this time of year here in New England is the worst from a GPS accuracy perspective; then there the issue of heavy cloud cover.  I've noticed the accuracy of my Surge drop with a low cloud deck, and when combined with overhead foliage, my routes can by decidedly messed up.

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It's possible, but unlikely I would hope.

 

The buildings aren't particularly high in my neighbourhood, nor is the area heavily wooded. I had similar issues in winter.

 

I haven't had any problems in my area with the GPS units on my HTC One M7, Samsung S6, or Moto G (3rd gen).

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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@pedris wrote:

It's possible, but unlikely I would hope.

 

The buildings aren't particularly high in my neighbourhood, nor is the area heavily wooded. I had similar issues in winter.

 

I haven't had any problems in my area with the GPS units on my HTC One M7, Samsung S6, or Moto G (3rd gen).


Ahhh, now I see where the disconnect is; unlike your Fitbit Surge which relies 100% on satellite reception for positioning, your various smart phones have positioning capabilities which include at least the first two of the following three methods:

  1. GPS Satellite
  2. Mobile Phone tower triangulation
  3. WiFi triangulation (I've been told this by a usually reliable source, but never able to confirm it) 

 

Long story short, when the signal from the GPS satellites is obstructed, smart phones can still be quite accurate.

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I have the same issue with my bike rides, on a 30 mile ride the Surge is short by 1.5 to 2 miles as compared to both the Strava and Map My Ride APPS. 😞 

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Hello @NRHTom welcome aboard to our Community, One possibility is like @shipo mentioned before, if you are running in an urban environment with many tall buildings, or trees it may affect the accuracy of the Surge's GPS. I have seen this issue by myself since where I run is full of trees and sometimes my Map course is kinda off, although my distance and other stat are correct.

 

If your Surge is still having issues with the accuracy of the GPS, I suggest in restarting the tracker by doing the following: 

1. Press and hold the Home and Select buttons (left and bottom right) on your Surge for 10 to 15 seconds, until you see the screen flash or start to dim. 
2. Let go of the buttons. 
3. After your screen turns completely off, wait 10 seconds and press the Home button to turn your Surge back on.

 

Hope this helps and keep me posted how it goes.

Roberto | Community Moderator

"Great things are done by a series of small things brought together.” What's Cooking?

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Hi @RobertoME. Thanks for the advice. My GPS was off woefully from start to (almost) finish on my run earlier today. No tall buildings or trees in sight. My Surge often seems to register my starting point incorrectly (by up to 500m), and then track the shape of my run reasonably accurately, before suddenly correcting to my actually position. I've restarted my watch - I hope this solves the problem.

 

It's all a bit frustrating. I'm trying to shave 11 seconds off a recent parkrun, and even a small discrepancy makes the data pretty useless.

 

Some tree cover in nearby parks. No tall buildings.

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
 
Moderator edit: merged reply
Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
Best Answer

Hi there @pedris, thank you for keep me posted how it goes this issue. Sometimes this have happened to me when I go for a short run. There is a radius of distance the GPS will pinpoint your location and sometimes wont reflect the actual course you have took it. To give you an example, it will show you were running across the street, but in reality you were running in straight line. However this shouldn't impact your final result specifically talking about distance, amount of steps and other stats. Although the actual accuracy depends on both your environment and the weather.

 

If you have tried already the restart I mentioned before, and the issue still persist. We have come to the point to approach our Support Team. So they can review your device history with you, just let them know all the steps we have reviewed here.

 

See you around and if you have more questions, you know where to find me. Robot wink

Roberto | Community Moderator

"Great things are done by a series of small things brought together.” What's Cooking?

Best Answer

Thanks, @RobertoME.

 

I'm getting a new unit in the next few days, so I'll be able to compare its accuracy to my current tracker over the upcoming weeks and months. Taking it one step at a time! Smiley Happy

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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Hi there @pedris, I'm really happy to hear you are getting a new unit as I found terrific too, the idea to compare the accuracy of the replacement with your old tracker. Let me know how it goes.

 

As always you know I'm here if you have more questions and stay awesome my friend.

Roberto | Community Moderator

"Great things are done by a series of small things brought together.” What's Cooking?

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Hello Roberto.  Thank you for the info here.  I am going to try it.  If it doesn't work, you suggest following up with support?  I recently ran the Chicago Marathon and the downtown start jacked all kinds of craziness with my GPS which left it pretty much out-of-sync for the rest of the race.  I was quite bummed but as I've lined in downtown Chicago previously I wasn't quite surprised with GPS going a bit goofy.  However, when I came back home to the Houston suburbs and very next run began cutting my miles short which until then was quite consistent.  I'm hoping this isn't chronic or that restarting helps and if not that...the support team.  Any additional suggestions/feedback here would be welcomed.

 

Thanks,

James

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I went on a long run earlier today with my replacement Surge. Everything seemed to be working fine on the run (I was checking the tracker every now and then in order to stick to a consistent pace), but when I looked at the run on the Fitbit app it seems to have lost a lot of the route data, most notably between about the 11km and 22km marks. Fitbit gives lap times for all 35 kilometres. I'm not sure what the issue was - perhaps a GPS problem, software issue, or the tracker couldn't store 3h30min of detailed data?

 

Surge - route data missing

 

It's been a beautifully clear day here and much of the route was unobstructed, so I doubt a poor GPS signal was to blame. Has anyone else experienced this problem and/or have any suggestions on how to avoid it happening again?

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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I occasionally still have issues with the GPS / GPS data, but it occurs relatively infrequently and I've made my peace with it. The Surge is a solid tracker and decent running watch for the most part.

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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Thank you for the feedback. I've made my peace with it as well. I sold it
🙂
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What are you using now, @jy_houston? I've been looking at the Garmin Forerunner 735XT for a couple of months.

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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Actually just purchased the latest Garmin vivoactive HR. Bestbuy has them
on sale for 219 so I thought I'd give it a try.
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Cool. I'm planning on sticking with my Surge between now and my local marathon in late April. Fingers crossed that Fitbit will release a Surge successor soon to address some of its shortcomings.

Fenix 5 Plus. Previously Ionic and Surge. Google Pixels 3 and 5. Aria. Chromebook. Deezer and Audible.
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Ended up on this thread trying to find a solution, as I have been having similar problems with the GPS. In addition to being slightly off on the starting/ending place, but getting the shape of the run correct, my first Surge was consistently underestimating the distance of my runs by about 300 to 600 meters. Once the band also starting breaking, I got a new watch while it was still under warranty. The new watch was much better in the beginning, only underestimating my runs by about 150-200 meters (compared to official race distances, my Strava app, and my running buddy's Garmin). However, in my most recent 10K, it was off by over a quarter mile. Most of my runs now register 300-600 meters under what Strava estimates and under my running partner's Garmin. It is driving me absolutely crazy, but I love the Fitbit app and I think Surge looks much better than most other fitness watches, so I'm sticking with it and hoping they figure this out for their next release.

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Here is how you fix it:

 

Step 1: Go to the trash can.

Step 2: Place your Surge in the trash can. 

Step 3: Go buy a Garmin forerunner 235. 

 

Works everytime. 

 

 

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This happens to my Surge if I haven't used and or not synced it for a few days.

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