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Article #11222Re: Car antenna design help wanted
From: Neal Howard
Date: Fri, 09 Oct 1992 23:54
Date: Fri, 09 Oct 1992 23:54
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In article <1992Oct9.200441.4070@athena.cs.uga.edu> mcovingt@aisun3.ai.uga.edu (Michael Covington) writes: >I presume you mean an FM antenna. The usual FM car antenna is a 1/4-wave >whip about 30 inches long, using the body of the car as a ground plane. >This works quite well and is hard to improve upon. If you wanted a better >one, you'd have to make it longer, which might be awkward. 3/4 wave will >work well, but you can't drive around with 90 inches of wire standing >straight up. Sure you can drive around with a tall antenna!!! My dad's TV repair Chevy van had a 102" stainless steel whip mounted right in the middle of the roof back in the '60's ...best mobile CB radio antenna configuration you could have. It beat the hell out of all the tree branches he went under though. I used to have a co-phased pair of 96" fiberglass whips on the back bumper of my old '78 Ford LTD back in the CB craze days. They made for a darned good FM radio antenna as long as the car was pointed somewhat in the direction of the station since this setup was pretty directional. Out on the highway at speed, they would lay down almost parallel with the road :-)
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arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!swrinde!news.dell.com!texsun!wb9rxw!kf5iw!cmptrc!nealShow Full Headers
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Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!swrinde!news.dell.com!texsun!wb9rxw!kf5iw!cmptrc!neal From: neal@cmptrc.lonestar.org (Neal Howard) Newsgroups: sci.electronics Subject: Re: Car antenna design help wanted Message-ID: <Bvvp38.3D6@cmptrc.lonestar.org> Date: 9 Oct 92 23:54:44 GMT Sender: neal@cmptrc.lonestar.org Distribution: na Organization: CompuTrac Inc., Richardson TX Lines: 17