Question about Garmin GPSMAP 525s GPS Receiver

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I want to edit the time stamp in a gpx track. After a sailboat race, I want to correct the time for each track according to a handicap system; start time correction*(actual time-start time). Start time is when the race started. Each track file contains approx 700 time stamps, i.e. manual correction is not possible. If this could be done, I can present the corrected position "live" in google earth. Is there anyone who knows a SW which can do this?

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  • lindgren_ken Oct 08, 2010

    I have imported my track, and the tracks from the other boats in the race, from the GPS unit to Fugawi SW. I use Garmin 525 - but I don't think the GPS is important. Then I export the track from fugawi format to a gpx format within the fugawi sw. Then I use Topofusion Sw and the gpx file with the purpose to present the tracks with a playback function; i.e. in order to replay the race and view the progress, position, speed for each boat etc, with a time stamp. As there i a handicap system based on the performance of each boat I want to "manipulate" the the gpx file as described in the question in order to present the position according to the handicap. Do you know a GPX file editor? Regards //Kent

  • lindgren_ken Oct 08, 2010

    This one feels buggy, and I want to to do a multi calculation with all the track points in one step. Not one by one in a file that contains approx 700 data rows. It's possible to export into KML format. Any suggestion for a KML editor where I can add a formula to adjust all time stamps in one step. Or another GPXditor?


  • lindgren_ken Oct 08, 2010

    If you have any more suggestion,please send an email to I will close down, it's allmost midnight in Sweden. //Kent

  • lindgren_ken Oct 08, 2010

    This tools seems buggy. I can't do multi calculation/adjustments with this tool. My files has approx 700 datarows. I can export to KML format, any suggestion for a KML editor where i can add a formula and do the correction for all time stamps. If you have any suggestions, please send an email to The time is almost midnigt in Sweden and i will close my session. Thanks for your support so far. //Kent

  • lindgren_ken Oct 12, 2010

    I've been busy with other things.. The SW from knackes... is the same one as the SW from cnet, just another source. This seems to be an odd problem. Next step could be to start a thread on an open source forum and get someone interested so create a SW which fulfills my needs. Please let me know if you find another application. //Regards Kent



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What is the make / model of the device in question?


Posted on Oct 08, 2010



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