[R-390] Re: R-390 Digest, Vol 9, Issue 34

[wjneill at lcc.net]

And then there's the Navy's R-388A/URR, for which I have a manual.  
Nothing but a military 51J4.  Of course, there were some receivers 
used on certain submarines that had an ending prefix of BRR because 
of the novel antenna system they used.

Bill Neill
Conroe, Texas 

Original Message:
-----------------
From: Bob Camp ham at cq.nu
Date: Sat, 15 Jan 2005 11:54:01 -0500
To: bobs at pacbell.net, r-390 at mailman.qth.net
Subject: Re: [R-390] Re: R-390 Digest, Vol 9, Issue 34

Hi

The R-390A/URR is a more exact name for the radio we refer to here 
as 
the R390A. The military manuals normally refer to the radio as 
R-390A/URR. When we get really lazy we call it the R390 and use 
R390(not an A) for the "other" radio. Roughly every six to nine months 
we have a discussion about the inherent confusion between the R-
390, 
R-390A, and R-390(not an A) terms.

There is a document at 
www.designation-systems.net/usmilav/electronics.html explaining 
more 
than you would ever want to know about US military equipment 
designations. The URR designator is described in the section on the 
"AN 
system".

	Enjoy!

		Bob Camp
		KB8TQ



On Jan 15, 2005, at 11:08 AM, robert simpson wrote:

>
> I have a question which may seem trivial but I have been following 
the 
> postings for quite a while and own a R390A-URR.  I have seen the 
R390A 
> and the R390A-URR referred to individually.  What is the difference 
> between these two?  I had always thought they were the same - but I 
> have been wrong before.
>
> Thanks
>
> Bob
>
> a Ham wannabee
>
>
>
> 
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