[Milsurplus] SC-901X question

[Jim Whartenby]

The SC-901 is a receiver-exciter and the precursor to the R-1051; there are two tubes in the RF Tuner.  
Rumor has that it was designed for use in ICBM missile silos by Stromberg-Carlson, but I think it was actually a commercial product.  S-C was a division of General Dynamics starting around 1955.  Don't know about the development of the SC-901 but it appears to have been designed around the time silicon transistors were really taking off.  Except for the RF Tuner, everything else in it is solid state.
AFAIK, none of the modules are compatible with the R-1051 and perhaps not with any other radios in the G-D "family".  I have one but some of the modules have been hacked so there is little incentive for me to try to get it running.  Although it does a good job of keeping the metal storage shelves on the ground.Jim I wonder why people argue over the 10% of their differences and ignore the 90% they agree on?

      From: Hubert Miller <Kargo_cult at msn.com>
 To: Military Surplus Mail List <milsurplus at mailman.qth.net> 
 Sent: Sunday, September 2, 2018 8:22 PM
 Subject: Re: [Milsurplus] SC-901X question
   
#yiv8924095257 #yiv8924095257 -- _filtered #yiv8924095257 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv8924095257 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv8924095257 #yiv8924095257 p.yiv8924095257MsoNormal, #yiv8924095257 li.yiv8924095257MsoNormal, #yiv8924095257 div.yiv8924095257MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:11.0pt;font-family:sans-serif;color:black;}#yiv8924095257 a:link, #yiv8924095257 span.yiv8924095257MsoHyperlink {color:#0563C1;text-decoration:underline;}#yiv8924095257 a:visited, #yiv8924095257 span.yiv8924095257MsoHyperlinkFollowed {color:#954F72;text-decoration:underline;}#yiv8924095257 p.yiv8924095257msonormal0, #yiv8924095257 li.yiv8924095257msonormal0, #yiv8924095257 div.yiv8924095257msonormal0 {margin-right:0in;margin-left:0in;font-size:11.0pt;font-family:sans-serif;color:black;}#yiv8924095257 span.yiv8924095257EmailStyle19 {font-family:sans-serif;color:windowtext;}#yiv8924095257 span.yiv8924095257EmailStyle20 {font-family:sans-serif;color:windowtext;}#yiv8924095257 .yiv8924095257MsoChpDefault {font-size:10.0pt;} _filtered #yiv8924095257 {margin:1.0in 1.0in 1.0in 1.0in;}#yiv8924095257 div.yiv8924095257WordSection1 {}#yiv8924095257 What's the 250 DC for ? This is all solid state, is it not ? Or am I in for another surprise ?-Hue  ______________________________________________________________
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