[Milsurplus] R-388B/URR receiver?

[WA5CAB at cs.com]

Nope.  All I've ever come across are the instructions for the modification 
kit that some of us have suspected made an R-388A.  Didn't someone just post 
something about a photograph of a prototype 51J5?  I was going to go look 
at it but the phone rang or something and the message slipped away into the 
bit bucket.

In a message dated 7/16/2010 5:54:16 PM Central Daylight Time, 
navy.radio at gmail.com writes: 
> OK that is not a typo. I just got a 1963 manual listing Navy
> electronics equipment by federal stock number.
> R-388A/URR    FSN 5820-557-5140    cost $1160
> R-388B/URR    FSN 5820-897-8314    cost $1220
>                       added to the Navy Supply System 8/61
> 
> Anyone ever heard of an R-388B?
> Man, I've been looking for a photo of an actual R-388A for years, now
> I find out there is a B model too!
> cheers,
> Nick K4NYW
> http://www.navy-radio.com/rcvrs/r388.htm

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480