5 dial positions or four, unless you count 96.9 twice? Or wait...didn't KLB simulcast on 1200
for a time? That may be it! (Unsure.)**
If you're going back twenty years (note: current GM property WBOS used to run country
but it was before that point--1983-89--and they weren't owned by GM till 96 I think)
96.9 WBCS, WKLB
99.5 WKLB
105.7 WCLB/WKLB
102.5 WKLB (switched with WCRB 99.5 on 12/1/06)
WCLB then owned by Fairbanks along with WKOX debuted on 1/12/93 as "the Country Club"
>>Fairbanks hoped to head off Greater Media's announced plans to flip WCDJ 96.9 to country in the summer of 1993, but Greater Media decided to push ahead, setting up a three-year fight for Boston's limited country audience. In July 1995, WCLB-FM changed calls to WKLB-FM, to alleviate ratings confusion with WCRB-FM 102.5 Boston, WCAV 97.7 Brockton, and even WCVB-TV 5 Boston.
http://bostonradio.org/stations/20438
99.5's history including the stint as WKLB, 1997-2006
http://bostonradio.org/stations/23441
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**--the following from Wikipedia under WXKS (AM) entry:
>> during the 1990s, the station changed formats constantly; following stints with satellite-fed oldies and talk radio, it became a simulcast of the FM station (by then WCLB-FM, a country music station) on March 1, 1993 (except for morning drive, which continued to be programmed separately)