[Milsurplus] [RCA] SRR-13 Article, more

[Nick England]

Just FWIW, here's a summary of what I know about various manuals for the
FRR-11, SRR-11, etc. family - please chip in with more info if you have it.

NAVSHIPS 91875(A), 2 October 1953, AN/SRR-11, SRR-12, SRR-13
       original

NAVSHIPS 91875(A) 0967-115-2010 Change 1 27 August 1956
AN/SRR-11, SRR-12, SRR-13, SRR-13A
   change T-? (replace LO 5840 with 5718
      SRR-13 s/n 574 and up
      SRR-13A all
   change T-? (replace 5 ea. 5647 with 1N458)
      SRR-11 s/n 1276 and up
      SRR-13A s/n 1431 and up
   change T-6 20 July 1961 (replace rectifier & ballast tubes with diodes &
zeners)
      FC 1 for SRR-11 & SRR-12
      FC 2 for SRR-13A

NAVSHIPS 92211, 26 April 1954
AN/FRR-21, FRR-22, FRR-23
   change T-1, May 1955 (replace 2nd IF bandpass filters & assoc circuitry)
   (for FRR-22 & FRR-23 delete STANDBY switch & install AGC NORM/OFF switch)
       FRR-21 s/n 26 and up
       FRR-22 s/n 26 and up
       FRR-23 s/n 26 and up
   change T-2, 27 March 1956 (replace 5 ea. 5647 with 1N458)
       FRR-21 s/n 107-220 + 335 and up
       FRR-22 s/n 236 and up
       FRR-23 s/n 343-492 + 643 and up

NAVSHIPS 92286, 29 July 1954
AN/FRR-18, FRR-19, FRR-21, FRR-22, FRR-23, MRR-1, MRR-2, MRR-3
original


Nick England K4NYW
www.navy-radio.com
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