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The cobra 23 radios were notorious for cold solder joints. Remove the top cover and use something non metallic to prod around on the board to see if it jumps back in. I like to use a capped sharpie marker. If that doesn't fix it, you're going to want to start checking the audio chain from...

Have about $10? you can make a 1/2 wave copper dipole. All you need is two sections of 1/2 copper tubing cut to around 108 inches each. A few inches of PVC Pipe or other suitable insulator to keep the two sections of copper secured and an inch or so apart Then you need your coax to connect...

First radio was one Dad brought home from a yard sale in 1991 or so. I wish I could remember the brand, I'd like to find another one like it for nostalgia purposes. It was built like a Cobra 29, but maybe a tad narrower. Had 7 weather channels, but the faceplate if I remember correctly was...

That appears to be an RF signal generator. They are very useful for aligning the receiver section of radios. I used to use a Heathkit model and thought very highly of it. My model was older than the one you have pictured. I now use a B&K precision model, but it's not that much better than the...

You need a new radio to work the VHF bands. The HR2510, though it is a very nice radio, is tuned for HF and will not work for VHF. You can either get a business band mobile and have someone program it via computer, or you can look for a 2 meter amateur radio mobile that is capable of...

Larsen is going to be a good antenna. I run a Maxrad 5/8 VHF antenna on my car and it performs very well. Since it's what our department puts on all the squad cars, our local commercial radio dealer keeps quite a few of them in stock.

Perry, I've never heard of putting one of these in a Cobra 29. Even though they share the same PLL, the remaining circuitry is quite different as the N Kit is intended for a SSB chassis. The A kit works well with 29s.

Anyone have a FC347 or FC390 frequency counter laying around? I have finally ordered the board to put "The Mod" into a Cobra 148GTL I have laying around and wanted to have a nice frequency counter to go with it. I would prefer a red display to match the radio but will work with anything...

Your only option would be to do a crystal swap on it. http://kg4zpn.netai.net/cb/cmixing/SSB%2023330-14907-11275-1RX.pdf

Since 28.000 to 28.299 is the CW/Data portion of the 10 meter band, I would try to calculate the crystal needed to center your radio up around 28.400 or even 28.500... then using the program pins, you should have no trouble getting coverage from 28.300 up to 28.xxx which would be better from USB...

Many years ago, I acquired 3 older Hygain units that had been converted to 10 meter FM. These also used the PLL02a cybernet board. One thing I remember about those units is that someone had taken the channel selectors out of them and wired each of the PLL's programming pins to their own...

I run a TS-440S and right now I'm still running the stock hand mic. There is no reason to put an amplified mic on that rig.. I tried a couple different ones and they both made the radio sound trashy.. I never could get the gain settings quite right. I've got an older studio microphone in one...

I have a Midland 77-285 Mobile CB Radio for sale. This radio is currently listed on Ebay but I will pull the auction and sell direct if someone wants it. The amber covered wheat lamps have been replaced with 3mm blue LEDs and the appropriate current limiting resistors. A week or so ago I sold...

I have listed a piece of my amateur radio collection on Ebay today. This is a nice Drake SW8 Shortwave receiver. It covers the AM and FM broadcast bands, Shortwave from 0.0 to 30.0MHz, and the air (aircraft) band. It is 100% functional. A few months ago, it started showing signs of the...

He's not going to get many responses on 10m LSB. He'll need to use USB on 10 meters. If he's not licensed, tell him to stay off of 10 meters anyway.

Bump. Item ends this Sunday evening. Custom Midland 77-285 CB Radio & Echo Mic - High Power - eBay (item 250716728764 end time Oct-31-10 21:31:05 PDT)

It shouldn't have any problems handling an amplifier of that size.

Hello, Yes I have a frequency counter. I was mistaken the lowest channel is 26.175... I'd been messing with it soo much that day I had numbers jumbling my brain. It seems to want to TX on all of those channels, but when I key up on the upper channels, my frequency counter just goes nuts and...

Forgot: Ebay listing number is 250716728764 just copy/paste that into item search and it will take you right to it if you prefer to bid.

I have a Midland 77-285 Mobile CB Radio for sale. This radio is currently listed on Ebay but I will pull the auction and sell direct if someone wants it. The amber covered wheat lamps have been replaced with 3mm blue LEDs and the appropriate current limiting resistors. This was done because...