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GPS and Device dropouts 935 and 945

I have been doing some troubleshooting with Humon with dropout and disconnects of the Hex using either my 935 or 945.

Working with their tech support engineer, he sees both watches dropping GPS and Hex (and Stryd) connections at the exact same time during a run activity, despite running in the open no building or other interference to explain drops.

I find it odd that the .fit files would show the data drops at same time for all connections external BOTH watches at the same time.

If anyone cares to examine and help narrow down the root issue it would be great.  935 is about to be sent back to Garmin to repair cracked HR optics, but I will hold off to continue gathering data to try to figure this out.

Note in the below files the Hex is on left thigh, Stryd on left shoe and both watches are worn on left wrist with one on outside of wrist, the other on inside.  Much of the run is in the open for the most part, with only a few trees that might block GPS signal.  But, I live in the desert so wouldnt expect signal to be an issue with GPS.

3698347914.zip3698355917.zip

  • Former Member
    0 Former Member over 6 years ago

    hi , will have a look at your files with FitFileRepairTool and via the link below

    you can also upload the fit files to fit2tcx.runalyze.com which shows a lot of information

  • Former Member
    0 Former Member over 6 years ago in reply to Former Member

    FR935

    stryd connected as footpod vs 945 where stryd connected as powermeter

    settings stryd footpod ? dist always spd ?
    distance data from stryd has no drops
    speed switching from stryd to gps all stryd data drops to zero except elevation

    stryd ant+ signal at start of workout 75%
    ant+ signal at end of workout 86%
    for humon no technical data present in fit file because of bluetooth connection

    FR945

    stryd connected as powermeter not footpod ?
    settings stryd footpod ? dist always spd ?

    Stryd

    firmware & hardware version ?

    shows the stryd raw data also data drops ?

    Stryd must be the source of your data loss.

    Working with their tech support engineer, he sees both watches dropping GPS and Hex (and Stryd) connections at the exact same time during a run activity, despite running in the open no building or other interference to explain drops.

    GPS is not dropped.

    Trouble shooting

    only use the humon with no other datafields or sensors !

    fr935 fr945
    time info time info
    00'00" 15:48:09 humon data zero for 52"
    02'04" 15:50:17 stryd data zero for 03" no switch to gps 02'06" 15:50:15 stryd data zero for 03" no switch to gps
    08'17" 15:56:27 stryd data zero for 19" switch to gps 08'17" 15:56:26 stryd data zero for 19" switch to gps for 15"
    08'29" 15:56:38 humon data zero for 24"
    26'05" 16:14:14 no gps logging in fit for 03"
    26'29" 16:14:38 stryd data zero for 11" switch to gps for 07" 26'27" 16:14:36 stryd data zero for 11" switch to gps for 07"
    41'26" 16:29:38 stryd data zero for 04" no switch to gps 41'27" 16:29:36 stryd data zero for 04" no switch to gps
    41'39" 16:29:51 stryd data zero for 02" no switch to gps 41'40" 16:29:49 stryd data zero for 02" no switch to gps
    41'44" 16:29:56 stryd data zero for 05" switch to gps for 01" 41'46" 16:29:55 stryd data zero for 05" switch to gps for 01"
    41'47" 16:29:59 humon data zero for 40"
    41'54" 16:30:06 stryd data zero for 07" switch to gps for 03" 41'55" 16:30:04 stryd data zero for 07" switch to gps for 03"
    42'05" 16:30:17 stryd data zero for 06" switch to gps for 02" 42'06" 16:30:15 stryd data zero for 06" switch to gps for 02"
    42'14" 16:30:26 stryd data zero for 35" switch to gps for 31" 42'15" 16:30:24 stryd data zero for 35" switch to gps for 31"
    42'30" 16:30:39 humon data zero for 31"
    42'57" 16:31:09 stryd data zero for 20" switch to gps for 16" 42'59" 16:31:08 stryd data zero for 20" switch to gps for 16"
    43'31" 16:31:43 humon data zero for 32"
    43'46" 16:31:58 stryd data zero for 09" switch to gps for 04" 43'48" 16:31:57 stryd data zero for 08" switch to gps for 04"
    46'11" 16:34:23 stryd data zero for 19" switch to gps for 16" 46'12" 16:34:21 stryd data zero for 19" switch to gps for 16"
    46'24" 16:34:33 humon data zero for 19"
    46'49" 16:35:01 stryd data zero for 02" no switch to gps 46'52" 16:35:01 stryd data zero for 02" no switch to gps
    51'46" 16:39:58 stryd data zero for 02" no switch to gps 51'49" 16:39:58 stryd data zero for 02" no switch to gps