I find this cosmic ray project very appealing.
Also, Adam Fabio over on Hackaday recently posted a Hack-let on ham radio:
Our book: "SolderSmoke -- Global Adventures in Wireless Electronics"
Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke
Our Book Store: http://astore.amazon.com/contracross-20
Solid State Radios • Re: 40M Solid State Paraset Regen - Garry, What did you think about how I elevated the coil above the grounded front panel? Does this make any difference with a toroid inductor? Everything I'...
3 hours ago