Re: Martin L Michaelis MA
He was a West German ham radio operator - callsign DK1MM.
References to him also turn up in magazines like 73 Amateur Radio, Funk Amateur and various other obscure publications - all in reference to amateur radio and electronic projects..
He also wrote a book
Martin Michaelis, DK1MM, Bauanleitungen für Funkamateure und Hobbyelektroniker
208 Seiten, ISBN 3-88180-330-0
Roughly translated to - building instructions for radio amateurs and hobby electronics
I can't find any info on his birth, death etc but I suspect he has passed on, his callsign is now held by someone else.
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