Re: citizen band radio

Posted by ebbsspeed on April 27, 2007 at 11:50:03 from (12.146.131.5):

In Reply to: citizen band radio posted by mr 300 on April 27, 2007 at 11:17:33:

You do need a grounded metal plate, or perpendicular wire array at the base of the antenna, ideally one whose length and width are at least twice the height of the antenna. This creates a "ground plane" which is a proper reflective surface for the radio waves to bounce off of. An ideal CB antenna would be approximately 104" long (if I recall), as this would be the length of 1/4 of the radio wave. Hard to do on a normal vehicle. So instead we use what is called a "loaded" antenna, which is a lot shorter, and has a load coil at the base of the antenna which makes the radio think it is connected to a 104" antenna element. I could go on and on, but I won't. Do a search on "CB antenna basics and theory" and you'll find everything you want to know, and likely more.....

Replies:

• Re: citizen band radio Keith-OR 23:36:20 04/27/07 (0)

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