More info related to the original video, a couple of about 1W CW transmitters based on a IRF510. Total of about a dozen parts.
'91 Toyota Pickup
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29
"They say the test of literary power is whether a man can write an inscription. I say, 'Can he name a kitten?'" -- Samuel Butler