Forums > Windsurfing   Gps and Speed talk

garmin recording interval

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Created by tim90 > 9 months ago, 14 Dec 2008
tim90
WA, 66 posts
14 Dec 2008 5:20PM
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Just a quick question regarding the requirements for garmin tracks:
Would it be acceptable to use a 3sec or 4sec interval for the purpose of recording distance/nm/hour only?
The reason is that the garmin memory only seems to last about 6hrs and that isnt really enough for a long day going for distance. (and longer interval=less trackpoints=more time recorded i assume)

yes, I will be getting a navi soon, however after some interesting issues with my last one i will keep the garmin as backup, and thus would like to know if recording with an increased intervall will be considered acceptable for GPSTC.

nebbian
WA, 6277 posts
14 Dec 2008 6:08PM
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Hi Tim,

I can't see a problem with doing this.

At the end of the day you have to put up the speeds that you believe you went -- however you calculated them. If that means using display speed for your 2 second number, and using a 4 second interval on your garmin so that you don't run out of memory then I don't think that anyone would argue with you


kato
VIC, 3507 posts
14 Dec 2008 8:33PM
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Tim,you might run out of battery instead

tim90
WA, 66 posts
14 Dec 2008 7:18PM
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Sweet.
nebs, good to hear its ok, and im not really concerned about the 2sec anyways; only when doing dist would i want a bit longer rec. interval. (and always been posting the display lately anyways)
yeah i agree kato, battery life isnt really great with garmins. still i thnk it should be good for ~8-10hrs when fully charged... which is going be more than enough

mathew
QLD, 2133 posts
15 Dec 2008 12:34AM
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try logging an alpha run on a 4sec timing... (or just count how many datapoints are in your GT11/31 alphas...)



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"garmin recording interval" started by tim90