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WJMN (FM)

WJMN
WJMN (FM) logo.png
City Boston, Massachusetts
Broadcast area Greater Boston
Branding "Jam'n 94.5"
Slogan Boston's #1 For Hip Hop & Hits
Frequency 94.5 MHz (also on HD Radio)
First air date March 31, 1948
Format FM/HD1: Rhythmic CHR
HD2: WXKS simulcast
ERP 9,200 watts
HAAT 353 meters
Class B
Facility ID 53972
Transmitter coordinates 42°18′27.00″N 71°13′27.00″W / 42.3075000°N 71.2241667°W / 42.3075000; -71.2241667 (WJMN)
Callsign meaning JaM'N
Former callsigns WHDH-FM (1948–1972)
WCOZ (1972–1984)
WZOU (1984–1993)
Owner iHeartMedia
(AMFM Radio Licenses, L.L.C.)
Sister stations WBWL, WKOX, WXKS, WXKS-FM
Webcast Listen Live
Website www.jamn945.com

WJMN (94.5 FM; "Jam'n 94.5") is a Rhythmic CHR radio station licensed to Boston, Massachusetts, USA, under the ownership of iHeartMedia. Its current slogan is "Boston's #1 For Hip Hop & Hits", and can be heard as far north as the White Mountains under good conditions, and in portions of Maine, Rhode Island, eastern Connecticut and southeastern Vermont. The station's studios are located in Medford and the transmitter site is in Newton, Massachusetts.

WJMN was originally WHDH-FM: a sister station to, and simulcast of, WHDH (AM). In 1965, to comply with a Federal Communications Commission regulation limiting simulcasting between commonly owned AM and FM stations in the same city, WHDH-FM began separate programming with an automated middle-of-the-road format in Stereo. In late 1967, WHDH-FM changed its format to automated Progressive Rock (predating future FM rocker WBCN by several months), but by late 1969, the station returned to automated "beautiful music" after a little "intervention", allegedly from WHDH Inc.'s Chief Executive Officer, Harold J. Clancy (who did not particularly approve of putting rock and roll on "MY FM station!"). Although this format remained until 1975, it was not particularly successful, despite a 1972 attempt to establish a separate identity by changing the call letters to WCOZ (as in "Cozy").

Originally owned by Herald-Traveler Corp., parent of the Boston Herald-Traveler newspaper, the station was sold to Blair Radio in 1972, and in the 1980s to Sconnix. Several ownership changes followed which eventually resulted in Clear Channel Communications (now iHeartMedia) acquiring 94.5 FM.


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