KSAN (FM)

KSAN
San Mateo, California;
Broadcast area	San Francisco Bay Area
Frequency	107.7 MHz (HD Radio)
Branding	107.7 The Bone
Programming
Format	Mainstream rock
Affiliations	San Francisco 49ers Radio Network
Ownership
Owner	Cumulus Media Inc.; (Radio License Holding SRC LLC);
Sister stations	KGO, KNBR, KNBR-FM, KSFO, KTCT
History
First air date	April 1, 1963 (as KUFY)
Former call signs	KUFY (1963–1968); KVEZ (1969–1974); KSOL (1974–1994); KYLD (1994–1997)
Call sign meaning	San Mateo
Technical information
Licensing authority	FCC
Facility ID	14484
Class	B
ERP	8,900 watts
HAAT	354 meters (1,161 ft)
Transmitter coordinates	37°41′20″N 122°26′11″W / 37.68889°N 122.43639°W
Repeater(s)	See § Booster
Links
Public license information	Public file; LMS;
Webcast	Listen Live; Listen via Audacy
Website	1077thebone.com

KSAN (107.7 MHz, "107.7 The Bone") is a commercial FM radio station licensed to San Mateo, California, and serving the San Francisco Bay Area. It is owned and operated by Cumulus Media and it airs a mainstream classic rock radio format. It also serves as the FM flagship station for the San Francisco 49ers Radio Network. KSAN's studios and offices are located on Battery Street in San Francisco's SoMa district.^[2]

KSAN has an effective radiated power (ERP) of 8,900 watts. Its transmitter is off Radio Road on San Bruno Mountain in Brisbane, California.^[3] KSAN broadcasts in the HD Radio hybrid format.