[Milsurplus] [MMRCG] Speculations on ground radios of the fifties

mstangelo at comcast.net mstangelo at comcast.net
Thu Apr 30 12:54:23 EDT 2026


The IRE conversion article starts on page 1794. Where can we find a copy of the RCA Engineer article?

Mike N2MS

> On 04/30/2026 12:15 PM EDT Jim Whartenby via Milsurplus <milsurplus at mailman.qth.net> wrote:
> 
> 
> Mike & John
> Yes, I'm somewhat familiar with this SSB issue but didn't remember about the ARC-21 to ARC-65 conversion article. Will have to compare the IRE article with the one in the RCA Engineer to see if there are any differences. Thanks!
> 
> Interesting to note that the ARC-58 Reference Oscillator shown on page 1702 is vacuum tube powered not Germanium / silicon transistor powered which explains the use of B+ and a shunt Zener diode as the solid state power source. I have never seen one so I doubt that it ever went into production. It would be nice to have an example for the fun of it!
> Regards,
> Jim
> 
> 
> 
> Logic: Method used to arrive at the wrong conclusion, with confidence. Murphy
> 
> 
> On Thursday, April 30, 2026 at 10:46:38 AM CDT, Mike N2MS via groups.io <mstangelo=comcast.net at groups.io> wrote:
> 
> 
> Here is the issue:
> 
> https://www.worldradiohistory.com/Archive-IRE/50s/IRE-1956-12-R.pdf
> 
> 
> Mike N2MS
>


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