[Milsurplus] AN/FRR-51 dual diversity system?

[Nick England]

Anyone ever heard of the following?
Navy AN/FRR-51 dual-diversity HF receiving system with 10 channel
auto-tune (0.5-32 mc)
components -
   R-792/URR receiver (2 ea.)
   CU-560/URR antenna coupler
   C-2087/URR receiver control
   C-2086/URR remote switching control
   CV-116/URR dual diversity FSK converter
   CV-395/U Signal Data Converter
   CY-1119/U cabinet
Googling didn't show up anything except on the CV-116 and I know what that
is.
Above info from a September 1956 Nomenclature Card according to a Navy
ESO publication

Anyone? Anyone?

What about this theory - I read somewhere that Hoffman Labs developed
a receiver but it never made it into production - could this R-792
nomenclature have been assigned for this system that never got built?

Time frame seems right, CV-116 was a Hoffman design, and Hoffman
supplied FRR-38 diversity systems (2 R-390 + CV-116) - would have been
a logical step for them to make an R-391 competitor?

(Note this FRR-51 is not a relabeled R-391 based system - R-391 had 8
channels, not 10, and also required a 28v supply for the autotune)
cheers,
Nick K4NYW
www.navy-radio.com
-- 
Nick England K4NYW
www.navy-radio.com
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