The San Francisco (SF) section is comprised of the following California counties:
Del Norte, Humboldt, Lake, Marin, Mendocino, San Francisco, Sonoma
Total counties: 7
Send comments or questions about this page to ARRL Contest Manager.
Version: 1.0.0, Revised: April 29, 2020
Copyright © 2023 American Radio Relay League, Inc., All Rights Reserved