[Boatanchors] Special Boatanchors: Pro-310, SX-88, R-1230, etc.

[Geoff]

Yikes! Racal film strip technology for the dial scale!

Carl
KM1H


----- Original Message ----- 
From: "HL" <zbyte at comcast.net>
To: <boatanchors at mailman.qth.net>
Sent: Thursday, December 29, 2011 10:56 PM
Subject: [Boatanchors] Special Boatanchors: Pro-310, SX-88, R-1230, etc.


> Interesting discussion regarding these ultimate HF receivers.
>
> Years ago, I acquired a small group of photos of a fascinating Sylvania HF 
> receiver, which, I am guessing, never
> made it past the prototype stage.  Any information would be appreciated. 
> Photos at:
>
> http://online.sfsu.edu/~hl/SylvaniaReceiver.html
>
> And I am still in great need of the schematic for a National R-1230 
> countermeasures receiver.  It is another
> mechanical and electronic marvel of vacuum tube technology.
>
> Happy New Year everyone.
> 73 Hal KK6HY
>
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