Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

Showing posts with label g3tdz. Show all posts

Showing posts with label g3tdz. Show all posts

18 May 2016

G3TDZ SK

I missed this but G3TDZ , John Hey is a silent key now. He wrote a very nice article in Wireless World on a 2m AM handheld some years back a...

14 Dec 2011

Simple speech processing

Recently Peter Thornton G6NGR sent me a number of example circuits for speech processors, some dating back to the 1960s. Anyone who operates...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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