> From: Julio MacWilliams <juliom_at_cisco.com> > Subject: [Paddlewise] VHF antenna on a kit, SW radios... > To: paddlewise_at_lists.intelenet.net > Date: Thu, 5 Mar 1998 11:59:05 -0800 (PST) > I know several people out there use kites to take advantage of > the wind instead of fighting it to paddle from one place to another. > Then, marine radio frequencies are restricted to line of sight communication, > which for a kayaker whose head is about 2 feet over the water means > a practical maximum of 3 miles due to the curvature of the earth. The length of coax cable you need at VHF frequencies would be so bulky and heavy, it would be impractical. > If someone wanted to make a radio transmition reach very, very far, > would it work to lift a wire antenna with a kite? I think it would > even be easier to do it from a beach in those cases where the beach > happens to be by a cliff wall and radio waves only go out to sea. The ideal length wire is about 6 feet? > Also, for emergencies, it would probably be better to carry a short wave > ham radio. With that it is almost guaranteed that you can get to > someone who may call the rescue people for you. > I understand that serious boats and ships carry both VHF and SW radios, > which leads me to think that maybe there is a SW frequency to call for > help in emergencies; does anyone know which frequency that is? Short Wave radios require a more serious ham license...13 wpm morse code, and the radios are much less tolerant of abuse. cya Bob Denton Vice President Undersea Breathing Systems bob_at_dnax.com http://www.dnax.com *************************************************************************** PaddleWise Paddling Mailing List Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.gasp-seakayak.net/paddlewise/ ***************************************************************************Received on Thu Mar 05 1998 - 14:26:30 PST
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