Fabricating CB antennas - Ham Radio Library Fabricating CB antennas - Ham Radio Library

Hook up cb radio antenna, phased two cb antenna system

Instructions for Putting up a Long-Wire Antenna - Ham Radio Library

This is called the ground plane of the antenna. RangerJ 5 years ago Reply The bottom half of the antenna is part of the dipole - if you cut off the top, it gets more and more unbalanced.

Rope or nylon cord is then tied to the insulators and used to hold the radials out. CB users also have their own lingo and codes.

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Sometimes hard to ground. The taller the antenna is on the vehicle, the further the signal output will reach. How do you identify what type of antenna is what? The standing wave ratio was 5 to 1 with or without the ground plane cable grounded.

For best performance, use an 18 foot coaxial cable between the radio and the antenna.

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You do this by keying your rig up on channel 20 and sliding this connection up or down until you have Best dating website for 20 somethings lowest SWR. I loved that old radio.

Center-loading or top-loading a steel antenna adds additional weight or bulk to the center or top of the antenna, which is not ideal for off-road use. Here you should fasten one end of the 6 foot centimeters piece of copper wire or tubing, the outside braid of the coax and each of the " cm [" cm ] long, stranded wires.

Most magnetic mount antennas are base loaded due the weight and bulk of the coil.


Never stretch to reach a point-- instead, move the ladder. For the most part, you can operate a CB radio on all 40 channels and frequencies designated by the FCC for CB, but there are some caveats. Remember that not just the mounting places, but the "air-space" through which the wire will be strung must be free of obstructions, such as trees, and especially power lines.

Posted by Rick on May 27, 2: This holds the bolt away from the metal body. Antennas can be base-loaded, center-loaded, top-loaded or continuous-loaded. After removing the outer jacket, start bunching the shield down the coax from the end.

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The end of the center wire of the coax is then twisted onto this in such a way that it ca be slid up or down along the copper wire and soldered after adjustment. Some fiberglass antennas have the benefit of being center-loaded and Hook up cb radio antenna putting most of the antenna as high as possible for better output and reception.

Trial and error but maybe start with 5 or 6" and work from there. If you already have an old one lying around, you can clip off the line loops and cut the handle off.

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If you follow these instructions and have it come out looking like these pictures, it should have a very low SWR and appreciable gain. Tightly wrap the wire in a spiral up from the base of the pole. While antennas are often included with handheld CB radios, they are not included with mobile units and must be purchased separately.

Instructions for Putting up a Long-Wire Antenna

This keeps water from seeping into the coax, which could cause a high SWR. The location of the coil affects output because the higher the coil is on the antenna, the higher the bulk of the antenna is in relation to the ground and the vehicle.

In addition, as these channels are shared, you must always give priority to emergency communications on all channels. Have the ladder on a secure footing, and have someone there to hold the ladder. On this CB Antenna, the four radial wires are used as the ground.

So the big stick is a coaxial dipole. Make sure the plastic is tough enough to not get cut by the edge of the hole in the vehicle body.

Thank you for your idea and for your future advice on my modified configuration of your idea.

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Back in the day, we had a guy locally that would install a chrystal bar and make the radio not only from 23 channels, but 40 channels, and the radio had the capability of going 40 channels below channel 1 and 40 channels above 40 and to add a little spice, the radio had the capability of the "inbetweens".

Wide and flat is better. Cons — Easily knocked off and under the wheel by low hanging tree branches. I don't know where this story is going, but anyway, thanks for your input on the antenna tuning idea.