Presentation: Crystal Radio History, Construction, and Contesting
by Thomas from on (#5VPM0)
Many thanks to SWLing Post Contributor, David Day (N1DAY), who shares the video presentation below, offering even more insight into his most recent guest post on the topic of crystal radio DXing. David has also posted this presentation on his website and notes that he's happy to share the presentation slides without copyright. David notes: [...]