WRFF

WRFF

Philadelphia, Pennsylvania United States
Broadcast area	Greater Philadelphia
Frequency	104.5 MHz (HD Radio)
Branding	Alt 104-5
Programming
Format	Alternative rock
Subchannels	HD2: Simulcast of WDAS "The Gambler" (sports)
Ownership
Owner	iHeartMedia (iHM Licenses, LLC)
Sister stations	WDAS, WDAS-FM, WIOQ, WUMR, WUSL
History
First air date	February 1965; 59 years ago (1965-02) (as WRCP-FM)
Former call signs	WRCP-FM (1965–1977) WSNI (1977–1990, 2002-2006) WYXR (1990–1999) WLCE (1999–2002) WUBA (2006–2007)
Call sign meaning	"Radio 104.5" (previous branding); could also sound like "riff"
Technical information[1]
Licensing authority	FCC
Facility ID	53969
Class	B
ERP	11,500 watts (analog) 458 watts (digital)[2]
HAAT	308 meters (1,010 ft)
Transmitter coordinates	40°2′30.4″N 75°14′22.6″W / 40.041778°N 75.239611°W / 40.041778; -75.239611 (WRFF)
Links
Public license information	Public file LMS
Webcast	Listen live (via iHeartRadio)
Website	alt1045philly.iheart.com

WRFF (104.5 FM, "ALT 104-5") is a commercial FM radio station in Philadelphia, Pennsylvania. The station is owned by iHeartMedia, and broadcasts an alternative rock radio format. The studios are in Bala Cynwyd.

WRFF has an effective radiated power (ERP) of 11,500 watts. The transmitter tower is in the Roxborough section of Philadelphia at (40°2′30.9″N 75°14′21.9″W / 40.041917°N 75.239417°W / 40.041917; -75.239417).^[3] WRFF broadcasts using HD Radio technology. The HD-2 digital subchannel carries the sports radio format of sister station WDAS 1480 AM "The Gambler".^[4]