Expedition Expedition Navigation Software

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10/17/2020 3:55 pm  #1

Predictor Line - using TWA and Grib


Is there any way to show a predictor line for the current TWA - taking into account the current GRIB. I'd love to be able to show at least a 24 hour predictor line - accounting for the wind over that period.


Here is an example from the iOS SailOnline Client - super useful having a long predictor line. In this I can also store TWA course changes so can say in 10 hours time I want to change from TWA = -135  to TWA = -120. This way you can experiment with different routing alternatives - which is pretty nice. 



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