Welcome to SC4 Amateur Radio Club!

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.

Article - Ham Radio in Action!!


in the parking lot at the top of Sears Ranch Rd in La Honda

Join us Saturday 11am to Sunday 11am. 

See amateur radio in action - Get on the Air. 

See you there!

Sharon and Martine prepare the center-fed 

Dipole Antenna for Field Day

Parking lot at La Honda Open Space Preserve

at the top of Sears Ranch Rd, La Honda 2023


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