Amateur Radio Resources
Coax
Electronic Part Stores
Mouser Electronics - Electronics Supply Company
Palomar Engineers - Toroids and Cores
Digikey Corp - Electrons supply Company
Kits and Parts - Toroids Here as Well

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Radio Kits
Small Wonder Labs - Home of the Rock-Mite
Kits and Parts - Interesting Stuff Here

Coax
Clubs and Groups
Northern California QRP Club
QRPp International
Michigan QRP Club
New Jersey QRP Club

Coax
Other Web Pages
The Rock-Mite Files - Good resource page.
Coax
Extras
eMachine Shop - Design your own enclosure and these guys will mill it for you.