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Old 10-26-2014, 02:46 PM
Electronic M's Avatar
Electronic M Electronic M is offline
M is for Memory
 
Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 15,445
In the case of the Philco it could stand for Superhetrodyne front end Regenerative IF....It could be a good way to squeeze a lot more sensitivity out of a puny single stage IF.
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