[Milsurplus] Mystery Raytheon AN/PRC-xxx

[Brenda Gentry]

Could it have been a competitor to the PRC-74?

    B. Gentry, KA2IVY

On 7/22/25 4:09 PM, Nick England wrote:
> Whazzit?
> 2-11 mc AM/SSB/CW transceiver, 1965 vintage?, 12v battery
> Transistor, Synthesized, 1 kc increments (1 mc master oscillator)
> 455kc Collins filters. Lots of double-balanced mixers.
> Raytheon logo on one circuit board but not elsewhere.
> https://photos.app.goo.gl/6GmGTnuy9mByHDBi7
>
> Some of the photos are just from trying to use the camera as a 
> magnifying glass.
> It looks like the front panel ought to fold down, but connections to 
> the LOAD control prevent that - I'm still trying to figure out how to 
> get deeper and trace some connections.
>
> I couldn't remove the cover atop the slug-tuned coils - I lifted and 
> peeked and it looks like the 1mc bandswitch. I can't figure out that 
> nearby module coupled to it by the chain and with leads from the LOAD 
> switch.
> Handset connector is MC10-14-6PN - a second connector was pulled and 
> extender wires added.
> A cable/BNC connector has been added which runs back to the 455kc IF 
> module.
> The antenna connection has been bodged up a bit. The battery connector 
> was replaced by a 3-wire terminal strip.
>
> The 2N1899 output transistor is rated 125w dissipation.
>
> It looks like there may be an internal switching p/s module (left rear 
> of chassis)?
>
> Please email info or leads
> Thanks
> Nick England K4NYW
> www.navy-radio.com <http://www.navy-radio.com>
>
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