Aristera Sta FM

Aristera Sta FM is a Communist Party-owned station in Thessaloniki, Greece.  They now broadcast at 90.2 FM. 

Saarländischer Rundfunk 2

SR 2 Kulturradio plays Classical and Jazz music along with cultural programming including radio plays, politics, world events and children's shows.  They are based in Saarbrücken, Germany and are part of the Saarland Radio network of stations.

Radio MK

Radio MK went on the air in 1990 from the district town of Iserlohn in western Germany.  They appear to broadcast a gold-based hits/Adult Contemporary format on more than a dozen frequencies in the Maerkischer Kreis area of the country.

Radio Bielefeld

Radio Bielefeld is a private, local broadcaster based in Bielefeld, Germany.  Dornberg, Brackwede, Senne, Jöllenbeck and Sennestadt are all local areas or city-districts within Bielefeld.  This decal set was part of a 2004 "stick it and win" contest.

KSUI

KSUI plays Classical music in Iowa City, Iowa.  The station is owned by the University of Iowa and is the flagship station of Iowa Public Radio's classical music network.

KSUM

1370 KSUM went on the air on New Year's Eve 1948 in the southern Minnesota city of Fairmont.  They play Country music along with local news, weather, University of Minnesota sports and Minnesota Wild hockey.  KSUM provides a particular focus on agriculture--their current logo incorporates an ear of corn in their call letters--and the station even has a full-time Farm Director.

KSUP

106.3 FM carried a Rock format in Juneau, Alaska from 1984 until 2007.  KSUP is currently a Hot Adult Contemporary known as "Mix 106."

KSUT

KSUT (K Southern Ute Tribe) is a non-commercial, public radio station located at 91.3 FM in Ignacio, Colorado.  They first went on the air in 1976 with 10 watts and programming to serve the Southern Ute Indian Reservation including Ute language and cultural shows and Native American music.  After a signal strength increase in the mid-1980s, KSUT evolved into a more traditional public radio station, joining NPR and becoming known as Four Corners Public Radio (the 4 corners being the geographic point where Utah, New Mexico, Colorado and Arizona meet.)  In the late 1990s they split their program stream so that 4CPR continued to serve the larger regional audience while "Southern Ute Tribal Radio" went back to serving the local Native American population.

KSUV

A 1994 sticker from Spanish-language KSUV licensed to McFarland, California.  102.9 FM is currently Regional Mexican KIWI "Radio Lobo."

KSWC

KSWC "100.3 The Jinx" is a 10-watt, student-run CHR station from Southwestern College in Winfield, Kansas.  "The Jinx" is pretty unique as far as radio station brandings go.  Anybody know how/why they got this name?

UPDATE:  See comment.

KSWD

KSWD "100.3 The Sound" is a Classic Rock station in Los Angeles, California.  Formerly an Urban Adult Contemporary station known as "V100" KRBV, the 100.3 frequency flipped to an Adult Album Alternative format in 2008 and has since (d)evolved into their current Classic Rock format.

KSWF

"100.5 The Wolf" is a Country music station licensed to Aurora, Missouri.

KSWG

96.3 KSWG is a Country station licensed to Wickenburg, Arizona near Phoenix.  At least part of their programming is supplied by Cumulus Media's satellite-fed "Real Country" format.

KSWH

KSWH "99.9 The Pulse" is a block-programmed Variety station from Henderson State University in Arkadelphia, Arkansas.  Music genres include Metal, Classic Rock, Rap, Alternative and Electro.

KSWP

90.9 KSWP carries a Contemporary Christian format in Lufkin, Texas.

KSXE

KSXE "Sexy 106.3" was a Top-40 station licensed to Kingsburg, California circa 2007.  An ownership change brought about new KVPW call letters and they became "Power 106."  The frequency is currently an affiliate of Air1 Radio and carries a Contemporary Christian format.

KSYM

90.1 KSYM is a student-run, block-programmed Variety station broadcasting from San Antonio College in San Antonio, Texas.

KSXO

Two early 1980s stickers from KSXO ("K-Six-O") a Top-40 station in Redding, California.  By the mid-1980s KSXO ceased to exist and the frequency went dark.

KSXX

99.9 KSXX "La Super X" was a Regional Mexican station licensed to Marysville, California from 1994 to 1997.  The frequency still carries the same format but is now KRCX "La Tricolor 99.9"

KSYN

92.5 KSYN is a 100,000-watt CHR station licensed to Joplin, Missouri.