[Milsurplus] R-1903/URR - Whazzit?

[Nick England]

A Navy ET manual refers to this in talking about HF receivers -
" a receiver (R-1051/URR, R-2368/URR, or R-1903/URR) converts the rf
signal..."

Ok, I know about the R-1051, and R-2368, but what is an R-1903???

Cheers,
Nick England K4NYW
www.navy-radio.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/milsurplus/attachments/20180131/c1ff6401/attachment.html>