[quote=sullivar]Kevin219: any gps receiver will do for recording the track - you don't need anything expensive. I use a WAAS enabled Geko ($50). The key thing is the analytic software. I use GSPAR (free trial for 90 days) but there are many similar alternatives. The software generates a track from the data stored in your revceiver, and calculates a range of speed outputs etc. The wind direction is estimated by the software from the track angles. The GSPAR site has a comprehensive (free) manual that describes the software in great detail.
Cheers,
Sullivar[/quote]
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