[R-390] Dating R390A

[Bill Guyger]

I don't know the serial number level but that was an official field mod. IIRC there was a parts kit made available. 

Bill AD5OL 

Sent from my iPhone

> On Jan 24, 2017, at 6:49 PM, Jerry O. Stern <jsternmd at att.net> wrote:
> 
> I have a Collins R390a.  It has two fuse holders on the rear panel and I was
> told that at some point this was changed to one fuse only.  Does anyone know
> about what serial # this change was made?
> 
> 
> 
> 73 
> 
> Jerry NY2KW
> 
> 
> 
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