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 spark. Show all posts

Showing posts with label spark. Show all posts

4 Jun 2021

Latest modern gear

This photo appeared as a Facebook memory today. Who needs all this new fangled gear anyway? Memories? Synthesizers?

25 Nov 2014

Spark transmitters and modern simple rigs

In the early days of wireless, spark transmitters were all they had. Selectivity and bandwidths were not major concerns. These days it is a...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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