Finding contact information on these amateur radio clubs is easy enough. A quick search on any of the callbook style web sites such as QRZ.com will do the trick. If you are an officer of one of these clubs you can update the information on the club using the contact form link available on the right side of menu bar at the top of this page.
- SOUTH BAY (ECS) EMERGENCY COMMUNICATIONS SERVICE – K1ECS
- South Bay Amateur Radio Association
- South Bay Amateur Radio Club, Torrance
- South Bay Amateur Radio Society
- SOUTH BAY AMATEUR RADIO SOCIETY – K6QM
- SOUTH BAY CONTEST CLUB – KG6BSI
- SOUTH COAST CONTEST CLUB – W6UFT
- South Contra Costa Races – K6SRM
- SOUTH COUNTY AMATEUR RADIO EMERG SERVS INC – K6MPN
- SOUTH COUNTY AMATEUR RADIO SERVICE CLUB – K6OTR
- SOUTH ORANGE AMATEUR RADIO ASSN – K6SOA
- South Orange Amateur Radio Association (SOARA) — K6SOA
- South Pasadena Amateur Radio Club
- SOUTH PENINSULA AMATEUR RADIO KLUB SPARK – WA6NKK
- SOUTH WEST AMATEUR RADIO EMERGENCY SERVICE – WA6KSB
- SOUTH WEST AMATEUR TRANSMITTERS – KG6CUU
- SOUTH WEST AMATEUR TRANSMITTERS – WA6BIL
- SOUTH WEST AMATEUR TRANSMITTERS – WA6ZQT
- SOUTH WEST AMATEUR TRANSMITTERS – WA6ZRB
- SOUTH WEST AMATEUR TRANSMITTERS – WA6ZRC
- SOUTH WEST AMATEUR TRANSMITTERS – WB6ZQU
- SOUTHERN CAL AMATEUR TRANSMITTING SOC – WB6LRU
- Southern California Adventure Radio Society – WW6CW
- Southern California Amateur Radio Digital Club
- Southern California Amateur Radio Fellowship
- Southern California Amateur Transmitting Society (S.C.A.T.S)
- Southern California Contest Club
- Southern California DX Club
- Southern California DX Spotting Network – WU6T
- SOUTHERN CALIFORNIA EXPERIMENTAL AMATEUR RADIO ASSOC – N6EX
- Southern California Japanese Ham Club (SCJHC)
- Southern California Monitoring Association A..R.C.
- SOUTHERN CALIFORNIA P I’S AND PPO’S – KE6SXA
- Southern California QRP Society
- Southern California Radio Network (SCRN)
- SOUTHERN CALIFORNIA RADIO NETWORK REMOTE 10 – WR7RED
- SOUTHERN CALIFORNIA RADIO NETWORK REMOTE 11 – WR7WHT
- SOUTHERN CALIFORNIA RADIO NETWORK REMOTE 12 – WR7BLU
- Southern California Repeater and Remote Base Association
- Southern California Repeater Club
- SOUTHERN CALIFORNIA VHF RADIO CLUB – K6BPC
- SOUTHERN CROSS DX CLUB – W6IW
- Southern Humboldt Amateur Radio Club – W6HUM
- Southern Inyo Amateur Radio Association – W6TD
- SOUTHERN MARIN AMATEUR RAD TRANSMITTING SOC – W6TAM
- Southern Sierra Amateur Radio Society (SSARS)
- Southwest CA Skywarn – WX6SGX
- Southwest Remote Radio Club
- SPCA Of Montery County – KI6CYX
- SPECS – K6SPX
- SPECS – KG6HVL
- SPECSRA – W6ASH
- SPECTRA PHYSICS LASERS – KE6WEL
- Spider Amateur Radio Club
- SPIRIT MOUNTAIN REPEATER ASSN – WR7SM
- Split Rock Radio Club – W6SPJ
- SPREAD SPECTRUM CLUB – K6HQ
- SQUADRON 11 AMATEUR RADIO CLUB – KJ6GCB
- SRI AMATEUR RADIO SOCIETY – W6SRI
- SRT AMATEUR RADIO CLUB – K6SRT
- SS JEREMIAH OBRIEN AMATEUR RADIO CLUB – K6JOB
- SSSS AMATEUR RADIO ORG – W6JAM
- STANFORD AMATEUR RADIO CLUB – W6YX
- STANISLAUS AMATEUR RADIO ASSN – W6ERE
- STANISLAUS AMATEUR RADIO ASSN – WD6EJF
- Stanislaus Amateur Radio Association
- STANISLAUS GOVERNMENT EMPLOYEES AMATEUR RADIO CLUB – KG6DGZ
- Star Of India Amateur Radio Club – NS6OI
- STARVING ACTORS ARC – K6DHL
- State Of Jefferson Amateur Radio – K6JAR
- STATE OF JEFFERSON OPERATORS UNITED RELAY NETWORK AND EMERGENCY
- Stockton-Delta Amateur Radio Club
- STRAND MEMORIAL AMATEUR RADIO CLUB – W6HKV
- SUGAR PINE AMATEUR RADIO CLUB – K6MYK
- SULPHUR MOUNTAIN REPEATER ASSN INC – WA6ZSN
- SULPHUR MOUNTAIN REPEATER ASSOCIATION – K6SMR
- SUMMIT AMATEUR RADIO CLUB – W6MKB
- Sunnyvale Amateur Radio Emergency Service – Repeater Group – K6S
- Sunnyvale ARC – K7AUV
- Sunnyvale VEC ARC, Inc.
- Sunol Ridge Radio Club – N6DZ
- Sunset Ridge Repeater Group
- Surf City Contest Club – NZ6K
- SURFERS UNITED RADIO FEDERATION – W6AVE
- Sutter Middle School – KG6GHT
- Sweep Riders Of The Sierras – WA6SRS
- Sycamore Middle School Amateur Radio Club – KG6IZQ
- T27 V27 AMATEUR RADIO CLUB – KG6WFO
- Tactics For Safety Radio Club – N6TFS
- TAHOE AMATEUR RADIO ASSOCIATION – K6SLT
- TANA FOUNDATION AMATEUR RADIO CLUB – K6DOG
- TANO ROAD REPEATER ASSOCIATION – K5TRR
- TARZANA AMATEUR RADIO CLUB – W6CA
- TARZANA AMATEUR RADIO CLUB – W6DDD
- TCARES INC – K6TUO
- Tech Bench Elmers Amateur Radio Society
- TECHNICAL RADIO AMATEUR CLUB & EXPERIMENTAL SYSTEM (TRACES) – WR
- Ted Ryan Memorial Amateur Radio Club – WB6JXY
- TEHAMA COUNTY AMAT RAD CLUB – K6KHZ
- TELCO AMATEUR RADIO CLUB – W6MPH