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WAAF-FM

WAAF
Waaf.png
City Westborough, Massachusetts
Broadcast area Boston, Massachusetts and Worcester, Massachusetts
Branding WAAF 107.3
Slogan Boston's Rock Station
Frequency 107.3 MHz (also on HD Radio)
Repeater(s) WEEI-FM-HD3 (Lawrence)
WKAF-HD2 (Brockton)
First air date 1937 as W1XOJ
1967 as WAAF
Format FM/HD1: Mainstream rock
HD2: WEEI-FM simulcast
HD3: WRKO simulcast
ERP 9,600 watts
HAAT 335 meters
Class B
Facility ID 74467
Transmitter coordinates 42°20′9.00″N 71°42′57.00″W / 42.3358333°N 71.7158333°W / 42.3358333; -71.7158333
Callsign meaning WAAB-FM
Former callsigns WAAB-FM (1961–1967)
Owner Entercom Communications
(Entercom License, LLC)
Sister stations WEEI, WEEI-FM, WKAF, WRKO
Webcast Listen Live
Website waaf.com

WAAF (107.3 MHz) is a commercial FM radio station licensed to Westborough, Massachusetts. It owned by Entercom Communications and it airs a mainstream rock radio format for Greater Boston and Central Massachusetts. The station's studios are located in Boston's Allston district, while its transmitter is on Stiles Hill in Boylston, with a backup in Paxton.

WAAF broadcasts from Stiles Hill in Boylston, with an effective radiated power of 9.6 kW directional (protecting three other FM signals). WAAF used to broadcast from Paxton when it was licensed to Worcester and maintains a backup site there. When WAAF transmitted from the location in Paxton, the station could be heard throughout much of Massachusetts, as well as parts of neighboring states New Hampshire, Rhode Island, Connecticut and Vermont.

In spring and summer of 2006, when WAAF began testing the new transmitter site, the station's signal strength dramatically decreased in most parts of Rhode Island, Connecticut, Vermont and Western Massachusetts. WAAF was trying to concentrate the signal into its primary sales market, Boston. The new transmitter began operating on program test authority from the FCC, at the WUNI-TV tower on Stiles Hill in Boylston. The first experiment from this transmitter location took place between October 31 and November 22, 2005, but the station had to return to its Paxton site for a couple of months to address alleged multipath issues. (The issues were blamed on a faulty T1 line between their Brighton studios and the transmitter site after extensive testing). WAAF continued to operate from this site, under the original program test authority until May 26, 2011, when the FCC officially issued a license for the site.


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