[ARC5] Hmmm...OT....AN/GRC-109 vs RS-6

[aa9il at sbcglobal.net]

Hi All 
I saw an RS6 at a hamfest once - definitely a smaller rig but didnt know the lineage from the GRC109.BTW I have the RS-1 which was the CIA version of the GRC109.  I got it from Fair Radio  back when they were selling them very cheap.  I picked up a GRC109 later - it had spring fasteners to secure the lid vs the thumb tightening screws and also had the burst encoder jack.  Neat little radios.I believe the GRC109 was made by Admiral Corporation73 de MikeAA9IL




    On Monday, November 23, 2015 2:22 PM, Kenneth G. Gordon <kgordon2006 at frontier.com> wrote:
 

 Well, it looks as though I made yet another "ass-u-me" error. From my 
reading various articles from various places, I thought it was clear (at least to 
me) that the AN/GRC-109 was simply a military-nomenclatured version of 
the CIA's RS-6.

But it isn't: it is a militarized version of the RS-1.

I own an AN/GRC-109, but have never seen an RS-6 except in photographs.

The RS-6 is the much later minaturized version of the earlier RS-1 and I got 
them confused in my 73-year-old pea-brain.

>From what Mike Feher recently told me, there appear to be considerable 
differences in the circuitry. For one thing, the RS-6 has, apparently, at least 
one relay in it, and, again, from what Mike mentioned, I now "assume" that is 
an antenna-changeover relay.

Having such would, it appears, preclude the -30 dB "suck-out" which occurs 
in the '109.

Anyway, I humbly apologize to Mike for my erroneous assumptions, and for 
horning in on something I knew nothing about.

I should keep my 73 year-old mouth shut.

Ken W7EKB

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