Question about Galaxy Radios DX-44V 40-Channels Base CB Radio
I receive signals very crisp and clear on all channels. However when I key the mic, whoever is receiving my signal, hears a very loud mono tone squeal. None of the controls have any affect on the noise, yet when I move the mic around in the cabin, the squeal changes tone. Also when I wrap my hand around the mic cord at the top where the coils begin, the squeal goes away, the digital power meter goes into the red, and I transmit just fine. I am using: New Midland 1001Z radio, original stock mic that came with the unit, 3 ft adjustable Firestik antenna and a Hood Channel Mount kit that includes 18 feet of Fire-Flex coaxial cable with the Fire-Ring connector.
I have the power connected to the fuse block under the hood and ran through the firewall using the supplied rubber grommet. I kept the ground wire short and found a nice ground near the steering arm. I have heard that shortening the coax cable affects the whole system so I kept it at the stock length. However since I am short on room, the excess slack is coiled up and stored behind a dash panel.
My guess for my problem is either the coiled up coax, the coax running along the hood channel, or bad grounding.
If it is a bad ground, how would I check for a solid ground? Also the antenna and mounting kit does not mention anything about grounding the antenna, do I need to do that with my set up? (See picture above) If so, how? Thanks for your help!
Comment by Rouge 2, posted on Mar 15, 2008 I have deduced it is not the coiled up excess coax because I stretched it out and still no change. The noise goes away if the antenna or coax cable is gripped by a human while the mic is keyed. Hopefully this helps narrow down my problem for someone.
I have a Dx-44 and get a squeal while transmitting. The final was upgraded to a Motorola MRF455 by previous owner. Radio is very strong and receives clear. Please advise.
I believe the coiled coax may indeed be the problem. To check, try a temporary rerouting of the cable which eliminates the coils. Dave g.
Posted on Jan 08, 2009
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Posted on Jan 02, 2017
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