You might try Columbia Electronics.  He sells on eBay also.  I think he has some boxes and also I believe converters that convert 115v to 28 volts that look like a battery box.  He also has these slick battery chargers that I use for the battery boxes on my PRC-47 (Not the same radio I know) 

Paul Keys
Columbia Electronics in Somis, Ca

Daniel



On Apr 26, 2023, at 1:44 PM, MilComm Guy <[email protected]> wrote:

HI Ray, I have the side mount for the antenna and a battery box.  The antenna base can be easily made from the AB-129, just drill/tap for a wire lug at the top brass portion of the antenna, tha actual antenna is not so easy to find on the cheap.
<DSCN0176.JPG>

Mark
K1HF

On Wed, Apr 26, 2023 at 3:52 PM Ray Fantini <[email protected]> wrote:

I know it’s a low order of probability but what’s the chance of locating a battery box or an antenna for a PRC-74? Starting to play with the idea of running a PRC-74B at some of the events.

 

Ray F/KA3EKH

 

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