Re: OT,, CBs and antennas

Posted by Jim in NC on February 07, 2007 at 19:05:28 from (172.162.183.205):

In Reply to: OT,, CBs and antennas posted by ChadS on February 07, 2007 at 17:48:10:

You need to tune the antenna to your Radio. You will need a SWR meter(standing wave ratio). It is not hard to do. The purpose is to match the antenna length to the signal wavelength being transmitted or received. The meters are not expensive, and you may find one at Radio Shack. I know you could find one on line. During this process, you will either lengthen or shorten the antenna. Make sure all your coax connections especially at the connectors are good-no shorts or loose wire.. I have messed with these things since the early 70s. I don't talk much anymore since most of my radio buddies have passed away. I still have tbe base station set up as well as mobiles in the vehicles. They do come in handy on trips. Some radios have swr meters built in them like my base radio, but I don't think yours has one. I can tell you how to check it if you decide to do it yourself. Also, your antenna should be mounted on or near a flat surface away from vertical objects such as other antennas. Most antennas that I have tuned tend to be adjusted to the shorter side. If I had to tune one without a meter, I would shorten it as much as possible and see if someone will give you a radio check, then lengthen a little and see if it is better. A low swr will also help your reception as well. A really good antenna is worth the money if you will be using it alot. Hope this helps.

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