On Wed, Oct 8, 2008 at 9:32 AM, Dave Kruger <kdruger_at_pacifier.com> wrote: > I'm confused by one aspect of Derek's report: why can't the unit > communicate via wireless transmission with its satellite(s) when on its > back? Is there some sort of shield which prevents radio waves from going > through it? > I suspect that the antenna for SPOT includes a radiator (the "driven element") and a reflector which would be used to help focus the RF energy in the approved direction; namely, up. If I were the designer I would want as much energy as possible to go "up" as energy focused "down" would not be the direction a designer would imagine the satellites to be. Craig Jungers Moses Lake, WA *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Wed Oct 08 2008 - 13:41:32 PDT
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