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Very poor Open water GPS quality

I've recently started to do some open water swimming in the lakes nearby, and after 2 sessions, the GPS track looks very bad. I know I can't swim in straight line but I definitely did follow this track

Is there anyway to improve the open water GPS? I make sure to have full GPS signal before starting the swim.

I have my watch setup to record every second and using GPS + GLONASS

Activity samples:

https://www.strava.com/activities/5566644486

https://www.strava.com/activities/5552210241

Top Replies

Dr Phil over 3 years ago in reply to TobyBeahan +2

TobyBeahan said:
ecording every second, but I'm not thrilled with that because the files will probably be huge.

File size is no longer a problem.

All Replies

0 jmto over 3 years ago in reply to --

Well, I don't think that the Sony's chipset in the grand scheme of the watch price is much more price-wise.

https://www.sony.com/en/SonyInfo/News/Press/202008/20-069E/

I think it would just need for Garmin to use that and implement support. Add some GPS settings to use dual channel or not and that's it :)

0 aldawoudy over 3 years ago in reply to maxkobe

How is this a good track?

If I'm running tempo or intervals and relying on the stats from that track (pace/distance) the workout is simply ruined.

0 avikoren1 over 3 years ago in reply to jmto

So lets hope that this new Sony Chip is used on the Fenix 7 and that it makes enough of a difference to resolve all our swimming issues

0 TobyBeahan over 3 years ago

I have been having the same issue. My swim track has been very erratic. It hasn't been like that in the past. It is frustrating. It seems hit an miss too. I have had swims where the track and pace make sense and then others that look like the examples you shared. My tracking in all other sports is very good. I just tried changing to recording every second, but I'm not thrilled with that because the files will probably be huge.

0 Dr Phil over 3 years ago in reply to TobyBeahan

TobyBeahan said:
ecording every second, but I'm not thrilled with that because the files will probably be huge.

File size is no longer a problem.