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

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.

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.

Thanx guys, all makes sense now

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

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