Useful Websites for Satellite Enthusiasts.
EI9GQ's excellent 2M to 10M converter
G0MRF David Bowman's pages (with greyhounds)
G0MRF. A demonstration mode U/V transponder
Kits and components from G0MRF
jf10zl Homepage (Japanese site , but lots of goodies)
S57NAN Aleksander Stare Website
Forest Electronics... PIC's and Atmel MCU's.
SM0VPO Harry's Homebrew Circuits
JF1OZL Homebrew (slow site but good)
AO-7 control electronics still functioning after 30+ years in space (Southgate ARC)
SSETI Express S-Band Transponder
So you want to build a Satellite?
Excellent 2.4Ghz signal source (Comb Generator)
Website of PE1RAH William Leijenaar