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Old Jan 23, 2020 | 08:08 AM
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plongson
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HAMMZ, THANKS!! For the reply and detailed information about our radios. I'm going to save this and refer back at some time.

A quarter mile on these radios with out a "tune-up" is pretty dismal...and 1.5 optimized still has me shaking my head. I understand the ground plane issue with motorcycles and perhaps low Tx power, but dang...I seem to recall, way back in the heyday of CB, we use to get some serious Tx and receive distance out of the old Cobras and even Radio Shack units.

Even optimized, a bike CB hardly seems worth the effort.
 
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Old Jan 23, 2020 | 11:21 AM
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Originally Posted by plongson
HAMMZ, THANKS!! For the reply and detailed information about our radios. I'm going to save this and refer back at some time.

A quarter mile on these radios with out a "tune-up" is pretty dismal...and 1.5 optimized still has me shaking my head. I understand the ground plane issue with motorcycles and perhaps low Tx power, but dang...I seem to recall, way back in the heyday of CB, we use to get some serious Tx and receive distance out of the old Cobras and even Radio Shack units.

Even optimized, a bike CB hardly seems worth the effort.
I know. It's mostly the lack of metal mass for the ground plane. Better range can be achieved, but to get better range, the other bike(s) need a similar improvement. I discourage adding NGP (no ground plane) antennas because they use the antenna system's coax the come with NGP's as a counterpoise & only work effectively when that coax is properly positioned w/o being wrapped or coiled in a bunch. Those NGP coax systems can't be modded & are around 18 feet long (@ 1/2 wavelength).

An upgrade that works is to use a 4 foot Firestik Firefly top load 5/8 wave antenna. Two bikes with this setup could expect to increase bike to bike distance to 2-1/2 or more miles. I didn't offer this because the antenna can fatigue the mount & cause breakage. I have used that setup on Street Glides with a mount I modded from the H-D AM/FM Left Side Mount P/N 76000183 that uses the hole in the right side filler panel (that has the cutout that matches the left site AM/FM antenna cutout. I don't have a picture with the Firefly antenna, but here's a couple pics showing the mount & H-D Shorty antennas installed. This was updated after the basic install was complete because the shorty antenna performance mounted low with his removable passenger backrest was poor (worked "OK" w/o backrest).









 
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