KMCK-FM

KMCK-FM
Prairie Grove, Arkansas;
Broadcast area	Northwest Arkansas including Fayetteville and Bentonville
Frequency	105.7 MHz
Branding	Power 105.7
Programming
Format	Top 40 (CHR)
Affiliations	Westwood One
Ownership
Owner	Cumulus Media; (Cumulus Licensing LLC);
Sister stations	KAMO-FM; KFAY; KKEG; KQSM-FM; KRMW; KYNG;
History
First air date	1947; 77 years ago
Technical information
Licensing authority	FCC
Facility ID	64630
Class	C1
ERP	100,000 watts
HAAT	145 meters (476 ft)
Transmitter coordinates	36°11′7″N 94°17′49″W / 36.18528°N 94.29694°W
Links
Public license information	Public file; LMS;
Webcast	Listen Live
Website	power1057.com

KMCK-FM (105.7 MHz) is a commercial radio station broadcasting a top 40 (CHR) radio format. The station is licensed to Prairie Grove, Arkansas, and serves Northwest Arkansas. It is known as "Power 105.7" and is owned by Cumulus Media.^[2]

KMCK has an effective radiated power (ERP) of 100,000 watts, the maximum for non-grandfathered FM stations. The transmitter is off Liberty Avenue in Tontitown, Arkansas.^[3] Its signal reaches parts of Arkansas, Oklahoma and Missouri.

History

It signed on the air in 1947 as KUOA-FM, owned by John Brown University in Siloam Springs, Arkansas.^[4] It was originally powered at 2,600 watts, a fraction of its current output.

The station was previously known as “Night Flight 106” and later “K106” in 1981 running a Top 40 format. In the mid-1980s, the station’s format was updated to Hot Adult Contemporary. The station returned back to its Top 40 format on July 30, 1989.