Here are some silicon valley resources and other assorted ham links:

• General
  • QSO - A Home for Hams
  • ARRL - The American Radio Relay League
  • AMSAT - Amateur Radio In Space
  • Libera.Chat - An IRC network with great people. I enjoy ##science, ##space and ##rtlsdr
• SDR
  • RTL-SDR.com - A wonderful blog about software defined radio
  • SDRplay - A vendor of high-quality SDR gear
  • superkuh - A mighty fine blog
  • GNU Radio - The one and only
  • SIGID Wiki - The signal identification guide wiki
  • UZ7HO - The author of Soundmodem
• Silicon Valley Resources
  • Santa Clara County ARES/RACES - The local ARES/RACES chapter
  • SCCARA - The Santa Clara County Amateur Radio Association
  • BAYCOM - WA6YCZ operates a N0ARY BBS on top of Mount Umunhum
  • The Clamper-Ham Frequencies Page - A list of local repeaters and frequencies
  • Salinas Valley Repeater Group - A local network of repeaters with a node in Alum Rock (KE6STH)
• Old communications videos
  • 1944 Army Training Video - A video about multiplexing multiple signals on a pair of balanced lines
  • AT&T Archives: The Step-By-Step Swicth - The old mechanical machinery that routed rotary-dialed calls