WTNR (FM)

WTNR
	Greenville, Michigan; United States;
Broadcast area	Grand Rapids, Michigan
Frequency	107.3 MHz
Branding	Thunder 107.3
Programming
Format	Country
Affiliations	Compass Media Networks; Westwood One;
Ownership
Owner	Cumulus Media; (Radio License Holding CBC, LLC);
Sister stations	WKLQ; WHTS; WJRW; WLAV-FM; WWSN;
History
First air date	1962 (as WPLB-FM)
Former call signs	WPLB-FM (1962–1989); WODJ (1989–2004); WKLQ (2004–2009); WBBL-FM (2009–2019);
Call sign meaning	"Thunder"
Technical information
Licensing authority	FCC
Facility ID	24639
Class	B
ERP	50,000 watts
HAAT	150 meters (490 ft)
Transmitter coordinates	43°01′08″N 85°20′56″W / 43.019°N 85.349°W
Links
Public license information	Public file; LMS;
Webcast	Listen live
Website	www.thunder1073.com

WTNR (107.3 MHz, "Thunder 107.3") is an FM radio station licensed to Greenville, Michigan. Owned by Cumulus Media, the station broadcasts a country music format targeting Grand Rapids.