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					Originally Posted by David Dunlop  A couple found are as follows:
 
 "Standardization - Materiel - Ground Radios - Cdn Wireless Set 52 - United States Radio Set AN-GRC-19, - United Kingdom Wireless Set C-11"
 
 Not sure what those three sets have in common, but an interesting grouping.
 David
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 Those are the "Role" sets for "Rear Link" operation by Signals personnel, I think:
Canada - WS52
USA - AN/GRC-19
UK - C11/R210 (replacing the WS19HP and/or WS52)
Chris.