CKSY-FM (94.3 MHz) is a commercial radio station in Chatham-Kent, Ontario. Owned by Blackburn Radio, it broadcasts an adult contemporary format for Southwestern Ontario. CKSY is co-owned with classic rock station CKUE-FM and country station CFCO-AM-FM.

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Quick Facts Broadcast area, Frequency ...

CKSY-FM

Chatham-Kent, Ontario
Broadcast area	Southwestern Ontario
Frequency	94.3 MHz (FM)
Branding	94.3 CKSY
Programming
Format	Adult contemporary
Affiliations	Premiere Networks
Ownership
Owner	Blackburn Radio
History
First air date	July 1, 1986 on 95.1 FM (May 4, 2002 on 94.3 FM)
Technical information
Class	B
ERP	50,000 watts
HAAT	135.3 meters (444 ft)
Links
Webcast	Listen live
Website	cksyfm.com

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CKSY-FM has an effective radiated power (ERP) of 50,000 watts. Its transmitter is on Fairview Line at Harwich Road in the Harwich section of Chatham.^[1]

CKSY signed on the air on July 1, 1986. It originally broadcast on 95.1 FM, which had previously been the frequency used by CBEE-FM, a rebroadcaster of CBC Radio One station CBE in Windsor, now at 88.1 FM. CKSY aired easy listening music branded as Cosy, which evolved into a soft adult contemporary format by the mid-1990s.

On May 4, 2002, CKSY switched frequencies with sister station CKUE, relocating to its current frequency of 94.3 FM. In 2005, CKSY and CKUE were acquired by Blackburn Radio.

By 2010, the station had dropped much of its older-skewing and softer titles from its playlist. It adopted a brighter, more contemporary music mix, while remaining within the boundaries of the AC format. In 2014, sister station CKUE-FM discontinued its active rock sound for a soft AC format.^[2] It later shifted to a classic rock format as Cool FM.