April 19, 2024. An Audio Amplifier you can Build.
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I find that data is very useful in making decisions. How startling a
statement to make on a ham radio blog. For instance, when I post subjects
about how t...
36 minutes ago
Alas, no. The basic physics says you'll get virtually nothing useful from the device, even assuming it's very efficient. The videos are (at best) misleading, and it's notable that they don't serve up even basic maths. Seethis blog entry, but the raw truth is you don't put much energy in when you raise a few rocks up through a metre or two, so you won't get much back. 73s, Rupert G6HVY
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