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Title: Another Supermodulation Rig! Post by: WA4WAX on October 25, 2015, 01:04:49 PM The most important article on the subject is the one on Dec 1950 QST by Villard of Stanford. This piece is interesting. Looks like this guy built nice stuff. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Page 66 http://americanradiohistory.com/Archive-Radio-News/50s/Radio-News-1950-02-R.pdf |