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Thread: SHTP 6/30 - 7/1 distance made good

  1. #1
    Join Date
    Sep 2007
    Posts
    432

    Default SHTP 6/30 - 7/1 distance made good

    I've assembled a spreadsheet that accepts position reports (boat, date/time, lat, lon) and produces distance/speed run/made good. Given that the trackers are not sending data at convenient 24 hour intervals, the run distances are normalized to 24 hours; this introduces errors and estimation into the resulting values but does allow direct boat-to-boat comparisons. As a skipper on the course I would not be interested in these numbers, but the folks on shore might.

    Here are the numbers from 6/28-29 time period, as a .JPG graphic. If anybody would like the spreadsheet to play with, let me know. The same position was received at my end for Northern Star for both 6/28 and 6/29 - that's why the zeros.

    There's a chance there are errors in my spreadsheet, I'm continuing to look at it in between time spent changing out the raw water pump on the engine.

    - rob/beetle

    Name:  june_28-29.jpg
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    Last edited by tiger beetle; 06-30-2021 at 12:00 PM.

  2. #2
    Join Date
    Sep 2007
    Posts
    432

    Default

    Performance data for June 29-30 run. Northern Star's numbers are out of whack due to missing 6/29 position data.

    Name:  june_29-30.jpg
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  3. #3
    Join Date
    Sep 2007
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    432

    Default

    Performance data for June 30 - July 1 run.

    Name:  june_30 - july 1.jpg
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  4. #4
    Join Date
    Jul 2012
    Posts
    9

    Default

    For the technically inclined, you can find real time details here: http://www.jibeset.net/gpssummary.ph...480_1_58311070

  5. #5
    Join Date
    Sep 2007
    Posts
    432

    Default

    That's most handy!

  6. #6
    Join Date
    Sep 2007
    Posts
    432

    Default SHTP 7/1-2 distance made good

    Here's performance data for the 7/1 -> 2 position reports.

    Name:  JULY 1-2.jpg
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