Forums > Windsurfing   Gps and Speed talk

Alpha Racing 500m (Kts) in

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Created by Ads72 > 9 months ago, 23 Nov 2008
Ads72
NSW, 362 posts
23 Nov 2008 6:43PM
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Anyone know how to work out your Alpha Racing 500m (Kts) using GPS Results on a Mac. Call me dumb, but can't find how you'd do it? Adam

Ian K
WA, 4155 posts
23 Nov 2008 7:00PM
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Does ticking the little circle labeled @500 work? You then get the average speeds listed in order below. You should get each alpha track highlighted in the tracks when you click on them.

sailquik
VIC, 6165 posts
23 Nov 2008 9:43PM
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Also, if you are using a GT-11, don't forget to un-tick the Doppler box. You should use trackpoint results for the Alpha with the GT-11.

If you are using a GT-31, it is the opposite. Use the Doppler results for Alphas. The trackpoint results from the GT-31 are usually nonsense.

We are working on a fix for the GT-31.

Ads72
NSW, 362 posts
24 Nov 2008 10:04AM
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Thanx guys, all makes sense now

Ads72
NSW, 362 posts
24 Nov 2008 7:34PM
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Another question, the Nautical Mile? Again using GPSResults on a Mac I can't seem to get a figure for the 1852m box when ticked. I can isolate it in the whole session, but no figure to say what the average knots speed was over this distance. Anyone know what I'm doing wrong? cheers

Bonominator
VIC, 5477 posts
24 Nov 2008 9:08PM
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Ads

Just go to Menu>GPSResults>Results Window and it will show everything you want and everything that gets sent to GPSSS. Enjoy!



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"Alpha Racing 500m (Kts) in" started by Ads72