[R-390] 390A test jigs

[Tom Chirhart]

These are mods made by Manson Labs to the R-390/A..
73
Tom
K4NCG

Sent from my iPad

> On Feb 14, 2018, at 5:58 PM, W4QG <w4qg at cfl.rr.com> wrote:
> 
> All,
> 
> I acquired a set of 4 devices which appear to be test fixtures/jigs. They appear to be commercially made.
> They have markings similar to what would be found 390(A) modules.
> Stamped on them is "R390A" "CODE 26916" and the part numbers 150-017274, 150-017275, 150-017276, 150-017277
> I've looked through my meager documentation and can't find any reference to these.
> Can someone give me some info on them?  (pictures available if anyone is interested)
> 
> Thanks,
> Paul W4QG
> 
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