Cb Radio Antenna Cable Length

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Cb radio antenna cable length.

Many antenna manufacturers somewhat pre tune the antennas utilizing 18 feet of coax which is why we generally recommend 18 feet of coax even if you don t think that you need that much. Coax lenth calculator find the correct length coax to use on your 18 wheeler the conjugate match one of the most important things that a cb tech can know about. Lengths available from 1 foot up to 150 feet. Free shipping on orders 75.

I have always heard that 18 is the proper length for radio to antenna. Select the correct coax length. About once a week i ll read a thread on the off road related forums that boldly state that you need 18 of coaxial cable between your cb radio and the antenna so it will tune up properly. If you put 4 watts into a 3 foot antenna you will get the same power out as if you wre putting about 1 5 watts into a 102 inch whip.

Coax cable connectors adapters and parts. Every time i read that i respond that the proper length of coaxial cable needed is that length that is just long enough to connect the radio and antenna together. Listening to cb. This is the standard grade coax included with many kits mounts and packages.

Specializing in the sale of cb radios antennas and cb vehicle kits. Learn how to calculate 1 2 wave multiples for use in special setups. If you find that 49 feet is too short from the antenna then add 11 feet to the coax from the antenna to the meters making your total length with jumper cable 66 feet. Our galaxy and connex dual final conversion turn your connex 3300 into the 3300 hp zx various information on galaxy radios.

If you put 4 watts into a 7 5 inch antenna on a hand held cb it would put out as much power as a third of a watt into a 102 whip. Site also hosts library of educational cb articles. It has average shielding and an average thickness exterior with the cable diameter measuring about 0 20. The length of coax to used to repeat the swr of a non resonant antenna other than 50 ohm match to your system at the other end would be 1 2 wave multiple length coax.

And 6 for radio to linear amp then 18 from amp to antenna. 11 x 6 66. 49 6 55.