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post #30 of Old 11-12-2013
tommays
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Re: Handheld GPS differences

In my racing I have played with ALL the features

We have used the units in well over 100 W/L events (1 MILE LEGS MORE OR LESS )and a whole bunch of distance races between 40 and 200 something miles

In the short W/L we always have enough time to mark the starting line and turning mark and I have then tried the various options that you can use

On distance races there is always a government mark we have to turn around with a well known GPS location

1. You can project a waypoint to any distance on any compass course as GPS VMG works better over long distances

I was never all that happy with the results

2. You set the waypoint and select the turn option and I find this gives very good and repeatable information about when to tack

On short or long courses the turn angle points out the favored tack right away and it works for me even on day sails when the wind is from a foul direction that requires mucho tacks to get anyplace

1970 Cal 29 Sea Fever

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1981 J24 Tangent 2930
Tommays
Northport NY


If a dirty bottom slows you down what do you think it does to your boat
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