We bring together the communities of La Honda, Loma Mar, Pescadero, San Gregorio, South Skyline, Butano, Middleton Tract, and Skylonda for training in emergency communications and neighborly talk.


  • FOX HUNT: September 24, Butano Canyon, 1:00 to 3:00 p.m. RSVP to pocoffey@sc4arc.org

  • PACIFICON: October 14 - 16 San Ramon Marriott

  • ANNUAL SIMULATED EMERGENCY TEST (SET): October 22 ARES exercise, 10:00 a.m. to 1:00 p.m.


    • 7:30 pm every Monday evening on 2 meters. All are welcome to join in on the SC4ARC repeater.

    • Radio Frequency is 146.730 with an offset of minus (-) 600 kHz and CTCSS tone of 114.8

  • MONTHLY CLUB MEETINGS the 3rd Saturday of each month at 10am (no meetings in June, October or December)

    • Next meeting is November 19, 2022. It will be at the La Honda Fire House.

    • Some meetings are still held via Zoom. Contact our Secretary to receive an invitation.

  • DREAM MACHINES: Will not be held this year at Half Moon Bay Airport.

Join the Club

The Club meets monthly the 3rd Saturday at 10am at various locations around La Honda. Check the Events page for our calendar and other special activities. General news, radio tips, and other useful info is posted on SC4ARC Groups.io.

Learn Radio

If you’re interested in amateur radio, this is the place. We offer classes to help you pass the FCC Technician’s License exam, plus practical support for choosing your first radio and making your first on-air contacts.

Find Us On the Air

Use our club repeater coverage maps and band plan to connect with friendly hams around the San Mateo County coast.
Join our weekly call-in net, 7:30pm Mondays on the 146.730 repeater.

Logo of the Amateur Radio Emergency Service

Serving Our Community

The SC4 Amateur Radio Club sponsors SC4ARES which provides emergency communication services during disasters for the South Coast of San Mateo County. Check out all of our ARES resources, including the Field Operating Guide, ICS Forms, and checklists for disaster preparation and Go-Kits.

If you wish to be active in SC4ARES contact our ARES Liason Officer