KRRM

94.7 FM KRRM was a Classic Country station when they went on the air from Grants Pass, Oregon in 1994.  They went off the air in 2019 but returned, once again with a Country format, in 2021.  KRRM is licensed to Rogue River, OR.
 

WGRX

100.7 FM WGRX was on the air in Baltimore, Maryland from 1984 to 1999.  Most of those years were spent with some kind of Rock format including Classic Rock, Modern Rock and "Eclectic Oriented Rock" (a mix of Rock, Adult Contemporary and a dusting of Smooth Jazz.)
 

KSJQ

KSJQ "QCountry 92.7 FM" has carried the same format since going on the air from St. Joseph, Missouri in 1991.
 

KPOO

89.5 FM KPOO is a non-commercial, community radio station in San Francisco, California.  "Poor People's Radio" has been on the air since 1972 and specializes in Jazz, Reggae, Blues, Hip-Hop, Salsa and Gospel music as well as programs for and about disenfranchised and low-income residents of the Bay Area.

KERN FM

94.1 KERN FM was an Oldies station in Bakersfield, California from 1989 to 1997.
 

Radio Fajet

Radio Fajet 94.2 FM has been broadcasting from Nancy in northeastern France since February 1985.

Kalundborg Nær Radio

Kalundborg Nær Radio was a local station in Kalundborg, Denmark beginning in 1986.
 

WWWC

1240 AM WWWC plays Southern Gospel in Wilkesboro, North Carolina.  They went on the air in 1970 as a Country station but soon after flipped to Top-40, a format that lasted for 30 years.  WWWC is now heard on two translators at 100.1 and 103.5 FM.

WREN

97.9 WREN is an LPFM station broadcasting an Oldies format in Charlottesville, Virginia.
 

UPDATE:  These two stickers are from totally unrelated stations!  See comments.

WNGA

1600 AM WNGA went on the air from Nashville, Georgia in 1960 and ceased to exist some time in the 2000s.  Most of their time on the air was spent as a Country music station.
 

WKDC

1530 AM WKDC signed on the air with a Middle-of-the-Road format in October 1974.  Their call letters stood for the four main counties in their Chicagoland listening area--Will, Kane, DuPage and Cook.  Other formats over their 20 year history included Show Tunes, Adult Standards, Ethnic and Big Band.  WKDC was sold in 1994 and changed call letters to WJJG.
 

WFKU

WFKU is a defunct, online-only station specializing in "Dark Alternative" music.  They were based in New York, New York.
 

WCEN

94.5 FM WCEN is a Country station broadcasting to the Saginaw/Bay City/Midland area of Michigan.  They were licensed to Mount Pleasant, MI when this sticker was current but are now licensed to Hemlock, MI.  WCEN went on the air in 1959 and are currently branded as "94.5 The Moose."

KYSJ

1270 AM KYSJ is a Classic Rock station in St. Joseph, Missouri.  Their "KY102" branding and logo is a direct tribute to long time Rock station KYYS in Kansas City.  KYSJ is also heard on a translator at 102.5 FM.
 

KROE

930 AM KROE is a News/Talk station in Sheridan, Wyoming.  Their call letters are a reference to the Crow Nation, a Native American tribe who are indigenous to the area. KROE went on the air in 1961 and are now also heard on a translator at 103.9 FM.
 

KNNK

100.5 FM KNNK is a Religious station licensed to Dimmitt, Texas near Amarillo.  They began broadcasting in June 1998.
 

KJJJ

102.3 FM KJJJ is a Country station in Laughlin, Nevada.  They are currently branded as "Nash FM" and are also heard on multiple translators in Nevada and west/central Arizona.
 

KCNA

102.7 FM KCNA was an Oldies station in Medford, Oregon circa the late 1990s.  It's unclear what the call letters were for their simulcast at 97.7 FM.  If you know, leave a comment.
 

CKRU

100.5 FM CKRU was a Classic Hits station in Peterborough, Ontario from 2009 to 2014.  They currently carry a Hot Adult Contemporary format as "100.5 Fresh Radio"
 

Sunshine Live

Sunshine Live is an online/Digital Audio-only Dance/Techno station based in Munich, Germany.  They carry more than two dozen different channels of almost every genre of Electronic music.
 

Catalogne Nord/RCN Radio

RCN Radio is based in the French Catalonian city of Perpignan in southeastern France.  They are heard on five frequencies and were formerly known as Catalogne Nord.

WUSR

99.5 FM WUSR "Royal Radio" is the student-run station at the University of Scranton in Scranton, Pennsylvania.  They went on the air in February 1993.
 

WPQR

99.3 FM WPQR was on the air in Uniontown, Pennsylvania from 1968 until 2001.
 

WMFC

WMFC AM went on the air from Monroeville, Alabama in 1952, first at 1220 AM then later at 1360 AM.  They ceased operations in 2010.  Sister station 99.3 FM WMFC began broadcasting in 1965 and currently caries an Oldies format.
 

WIBV

WIBV was on the air in St. Louis, Missouri from 1947 until 1998.  They were licensed to Belleville, Illinois and started out as a daytime-only station broadcasting from Fischer's Restaurant at 1060 AM.  The move to 1260 AM took place in the mid-1950s.  The frequency is currently home to Religious outlet WSDZ "Relevent Radio."
 

WDXI

1310 AM WDXI is a Talk station in Jackson, Tennessee.  They've been on the air since 1948 and are now also heard on a translator at 103.5 FM
 

WAVW

"Wave 92.7" WAVW is a Country station licensed to Stuart, Florida.  Co-owned Talk station 101.7 FM WCZR carried the WAVW call letters from 1989 to 1998.

KVOX

1280 AM KVOX was on the air in Fargo, North Dakota/Moorhead, Minnesota from 1937 to 2007.
 

KPWK

"Power 93.3" KPWK was a short-lived CHR station in Seattle, Washington from 2016 to 2018.
 

KLPI

89.1 FM KLPI is the student-operated station at Louisiana Tech University in Ruston, LA.  Their call letters reflect the school's former name of (K) Louisiana Polytechnic Institute.  They went on the air in 1973 after first broadcasting as an AM carrier current station.