|First air date||1989|
|HAAT||100.0 meters (328.1 ft)|
|Affiliations||Salem Radio Network|
|Owner||Grace Broadcasting Services, Inc.|
|Sister stations||WFGZ, WQSE, WWGM|
WSIB (93.9 FM, "The Sheriff") is a radio station broadcasting a country music format. Licensed to Selmer, Tennessee, USA, the station debuted a new format of country music and rebranded itself as "939 The Sheriff". Programming is handled by Mike Brandt of Southern Broadcasting Corporation which also operates sister WYDL Rock100 in Corinth MS, WWFA 102.7 KISSFM in Florence AL, and most recently WWMR Outlaw 1029 and WXWX 96.3 FM in Tupelo MS.
As of October 1, 2016, TicTak ended his temporary morning hosting duties and moves to afternoons to make way for a new morning show set to debut October 2016.
Delta Knight hosts evenings, while weekend and mid-day personalities are yet to be named. 
- Query the FCC's FM station database for WSIB
- Radio-Locator information on WSIB
- Query Nielsen Audio's FM station database for WSIB
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