WMFN AM 640 Zeeland/Grand Rapids 
Slogan/Positioner: Smooth Vibes
Format: Adult Urban Contemporary
Web site: www.birach.com
E-Mail: visit web site
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Class: B
Daytime Power / # of Towers: 1,200 watts / 1 / omnidirectional
Nighttime Power / # of Towers: 230 watts / 1 / omnidirectional
AM Stereo
More web sites about WMFN:
- black-perspective.com
- Wikipedia (no article as of 7/2006)
More Technical Information:
- engineering data
- station details
- FCCInfo.com
- Recnet Broadcast Query
- Daytime coverage
- Nighttime coverage (Radio Locator)
- Tower photos, thanks West Michigan SBE 102
Call Sign History:
- WMFN: 10/2/1995
- WISZ: 9/8/1993
- WROR: 3/11/1991
- WBMX: 10/12/1988
Call Sign Origin: West Michigan's Fan
On Air Date: 1990
Owner: Birach Broadcasting
Telephone: (616) 949-8585
Notes/History:
- 12/2005: Station is noted broadcasting in AM stereo
- 5/2005: Format change from News/Talk/Sports/Comedy as 'Hot Talk 640' to Adult Urban Contemporary as 'Smooth Vibes AM 640'. Broadcasts of Detroit Tigers baseball are dropped.
- 1/2004: Application filed to increase daytime power from 1,200 watts omnidirectional to 2,500 watts directional using a 2-tower array; application was dismissed Nov 2004
- 11/2001: FCC approves sale to Birach Broadcasting
- 9/2001: Announced that, along with sister station WMJH-AM Grand Rapids, is being sold from Cook Media to Birach Broadcasting for $1.9 million
- 2000: Business News format is broadened to include mainstream and sports talk
- 9/1/1999: Format switch from Sports to Business News as 'West Michigan's Financial News'
- 1995: Format is sports as WMFN, 'West Michigan's Fan'
Center of antenna array/transmitter location:
Ottawa County
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