CIDR FM 93.9 Windsor, ON 
Slogan/Positioner: 93.9 The River
Format: Adult Album Alternative
Web site: www.939theriverradio.com
E-mail: visit web site
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Power/Height/Class: 100,000 watts / 656 feet / C1, directional
More web sites about CIDR:
More Technical Information: Canadian station, data likely not accurate
- engineering data
- station details
- FCCInfo.com
- Recnet Broadcast Query
- Coverage area (Radio Locator)
Call Sign History:
- CIDR: 1993
- CKLW-FM: 1991
- CKMR: 1988
- CKLW-FM: 1986
- CKEZ: 1985
- CFXX: 6/1984
- CKJY:
- CKLW-FM:
On Air Date: 1948
Owner: CHUM, Ltd.
Telephone: (248) 646-8484
Notes/History:
- 9/1/2006: Hot AC format, '93.9 FM; Today's Best Music' is dropped and station begins stunting toward format change to Adult Album Alternative be fully implemented on September 4th. Stunt includes snippets of 7,000 rock-based songs as station returns to using the name '93.9 The River'.
- Summer 2005: Format shifts to hot adult contemporary as "Today's Best Music"
- 8/25/2000: Format change to adult contemporary as 'Lite Rock 93-9 FM'
- 10/1998: Station now referring to itself as 'Smooth Rock 93.9 The River' - not much difference in playlist, but more mainstream Classic Rock is more common.
- 1994: Format change to adult alternative as 'The River'
- 1993: Call sign change to CIDR as 'I-94', classic rock format
- 1993: CKLW-AM and FM acquired by CHUM Ltd.
- 1991: Back to CKLW-FM once again as '93.9 The Legend' in another attempt to recapture the glory days of CKLW-AM.
- 1988: Call sign change to CKMR as 'More 94' - MOR format.
- 1986: Call sign back to CKLW-FM with an Oldies format in an attempt to recapture the magic of 'The Big 8' of the late 1960s and early 70s. Format included many of the old sounds of CKLW-AM, including 20/20 news and jingles.
- 1985: Baton Broadcasting sells AM & FM to CUC Broadcasting. The Big Band format was then moved to AM 800 while FM 93.9 became CKEZ with an Easy Listening format.
- 1984: Top 40 CFXX 'The Fox' programmed from 5pm - 7pm during weekday evenings and two hours in morning drive. The Canadian Radio-television and Telecommunications Commission, however, refused to approve more than four hours of pop music programming a day and the attempt to change the station's format was abandoned before it ever was ever fully tried.
- 198x: Big Band format as CKJY
- 1974: Format is Country, marketed towards Windsor
- 1970: Both FM and AM stations sold to Canadian-based Baton Broadcasting due to the Canadian Radio-television and Telecommunications Commission's new rules limiting foreign ownership of Canadian media.
- 1967: Separate programming block now from 6pm - Midnight daily
- 10/1/1963: Adds separate programming from AM 800 from 7pm - 9pm daily
- 1963: Power increase to 50,000 watts, RKO takes over complete ownership of CKLW-AM/FM.
- 1956: Along with AM 800, acquired in 1956 by a consortium that included the American company RKO
- 1950: Became "Detroit" affiliate of Mutual Broadcasting System
- 1948: On the air as CKLW-FM duplicating AM 800 at 250 watts, owned by Western Ontario Broadcasting. Programming was from CBC Dominion Network.
Transmitter location:
Essex County, ON
Old logo gallery:
Thanks, DetroitRadioFlashbacks.net
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