Posted 11/24/2008 09:47 (#515316 - in reply to #512416) Subject: Re: GPS speed sensor
Western Oregon
I bought a used sky-trak on ebay for half the price of an astro. Works the same. That is a pretty long shot however. Keep trying ebay. However, the astro is the cheapist I've found.
Check prices at Shoup, Also try Dultmeier, have found some good deals in their online catalogue closeout section.