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.
- CAL POLY AMATEUR RADIO CLUB – K6CPP
- CAL POLY AMATEUR RADIO CLUB – W6BHZ
- Cal Poly Amatuer Radio Club (CPARC)
- Cal Poly Pomona Amateur Radio Club (CPPARC)
- CAL POLY UNITED AMATEUR RADIO CLUB – N6CP
- Calabasas High School – KC6CHS
- CALAVERAS AMATEUR RADIO SOCIETY – N6FRG
- Calaveras Amateur Radio Society, Inc. – K6XCA
- Calexico Amamteur Radio Society K6CLX
- Calico Mtn Repeater Club – WR6CM
- CALIFORNIA AMATEUR RAD EMERGENCY SERV BERKELEY – WB6WMI
- CALIFORNIA AMATEUR RADIO EMERG SERV – WB6NFY
- California Amateur Radio Linking Association (CARLA)
- California Amateur VHF Enthusiasts
- California City Amateur Radio Club – KE6RN
- CALIFORNIA COUNTY EXPEDITIONERS RADIO CLUB – KM6TB
- CALIFORNIA DEPT OF FORESTRY & FIRE PROTECTION – K6CDF
- CALIFORNIA DEPT OF FORESTRY NYP VIP HAM CLUB – N6CDF
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K0OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K1OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K2OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K3OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K4OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K6OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K6OHS
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K7OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K8OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – K9OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – W5OES
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN – W6EMA
- CALIFORNIA EMERGENCY SERVICES RADIO ASSOCIATION – W6SIG
- California EMS Authority – WA6DMS
- California Experimental Radio Society – W6XRE
- California Hilltoppers Association – K6CHA
- California Historical Radio Society – W6CF
- CALIFORNIA HWY PATROL SP OFF RAD CLB SO CAL VP – W7CHP
- California Knights Of Columbus ARC – KG6KCN
- California Maritime Academy Emergency Response Team – WB6IWB
- CALIFORNIA MICROWAVE RELAY ASSOCIATION – WC6MRA
- California Nevada Amateur Repeater Network – KJ6ABR
- California Southern Baptist Convention – KI6QNJ
- California Southern Baptist Convention – KI6QNK
- California State Military Reserve – KJ6JEQ
- CALIFORNIA STATE UNIV LONG BEACH ARC – K6ZZQ
- CALIFORNIA YACHT CLUB RAG – K6CYC
- CALTECH AMATEUR RADIO CLUB – W6UE
- Caltech Radio Club Special Event – W6CIT
- Caltrans Auxiliary Radio System – District 11 – WC6DOT
- CALVARY CHAPEL AMATEUR RADIO CLUB – K6WVE
- CALVARY CHAPEL AMATEUR RADIO CLUB – KW6VE
- CALVARY CHAPEL AMATEUR RADIO CLUB – WE4JC
- CALVARY CHAPEL BURBANK RELIEF-N6OPS
- CAMBRIAN PARK AMATEUR RADIO ASSN – K6BEN
- CAMPING AND EXPLORATION SOCIETY – K7ZF
- CAMS RADIO CLUB – KC6CAM
- Canal Zone Brats Radio Club – KZ5OM
- Canyon City Amateur Radio Association – AE6X
- CAPITOLA AMATEUR RADIO CLUB – KF6LLM
- CARMEL RED CROSS ARC – KR6ML
- Carmel Valley Fire ARC – KG6ODM
- CARPINTERIA CONTEST CLUB – NN6DX
- CARROUSEL DX CLUB – KA6ZYF
- CASTA DEL SOL AMATEUR RADIO CLUB – WA6ZMO
- Castle Rock Contest Club – KG6VMM
- CASTRO VALLEY DX CLUB – W6CW
- CASTRO VALLEY FOC – N6FOC
- Catalina Amateur Repeater Association – WC6ARA
- CATALINA ISLAND COMMUNICATIONS TEAM – WB6CAT
- CATHAY AMATEUR RADIO CLUB – W6MFI
- CATWHISKER QRP CLUB – W7CC
- CBS AMATEUR RADIO CLUB HOLLYWOOD – K6CBS
- CCARES – K6CCR
- CCARN – KA6PBI
- CENTRAL CALIF ELITE CONTESTERS – W6USN
- CENTRAL CALIFORNIA AMATEUR COMMUNICATIONS INC – KE6VFU
- CENTRAL CALIFORNIA DX CLUB – W6MEL
- CENTRAL CALIFORNIA DX CLUB – W6YK
- Central California DX Club – W6YO
- CENTRAL CONTEST CLUB – NO6F
- CENTRAL VALLEY AMATEUR RADIO CLUB, INC. – WA6TCG
- CENTRAL VALLEY CONTEST CLUB – NC6M
- Central-Cal Mutual EmComm Association – K6CME
- CERT – WR6VHF
- Champion Amateur Radio Society – K0AKS
- Champion Amateur Radio Society – K6IDS
- Champion Amateur Radio Society – WF9M
- Channel Islands Amateur Radio Club – K6DDO
- CHANNEL ISLANDS ANG AMATEUR RADIO CLUB – W6ANG
- CHANNEL ISLANDS AUXILIARY RADIO CLUB – K6AUX
- Channel Islands Club – K6CIC
- CHAPARRAL AMATEUR RADIO SOCIETY – W6MV
- CHARLIE REPEATER GROUP – WA6TEM
- Chatsworth Amateur Radio Club – W6JIL
- CHAVERIM NORTHERN CALIFORNIA CHAPTER – W6ZG
- CHEVRON AMATEUR RADIO CLUB – K6CHV
- CHEVRON RESEARCH CENTER DX CLUB – K6OIL
- Chino Hills Auxiliary Radio Team (C.H.A.R.T)
- Christian Family Amateur Radio Network, Inc.
- CHRISTMAS TREE HILL AMATEUR RADIO ASSOCIATION – NC6CC
- CHULA VISTA YACHT CLUB AMATEUR RADIO GROUP – K6CVY