WJPZ

"Z89" is a student-run Top-40 station at Syracuse University in Syracuse, New York.  WJPZ went on the air as a carrier-current AM station in the 1970s before moving to 89.1 FM in 1985.  Syracuse is known as one of the best broadcasting schools in the country, graduating such notables as Marv Albert, Dick Clark, Bob Costas and WHTZ's Elvis Duran.  WJPZ maintains an extremely organized alumni association which meets on a yearly basis.

WEOS

WEOS (W Echo Of the Seneca) is a public radio station owned by Hobart & William Smith Colleges in Geneva, New York.  They went on the air in 1971 at 89.7 FM and moved to 89.5 FM in 2014.  WEOS, along with a translator station at 90.3 FM, are now branded as "Finger Lakes Public Radio".

WAIR / WIAR

92.5 WAIR (licensed to Atlanta, Michigan) and 94.3 WIAR (licensed to Leland, MI) were simulcasting Oldies stations circa the mid-1990s.

Two Frogs and a Toad

A 1995 sticker from Oldies station "Froggy 94.7" in Erie, Pennsylvania.  WFGO was the only "Frog" branded station I knew of that didn't carry a Country format.  94.7 FM flipped to Adult Hits WXBB "Bob FM" in 2007.

"Big Frog 104" WFRG is a Country station in Utica, New York.

"The Toad" KTDD was a Classic Country station in San Bernardino, California from 2002 until 2013.  1350 AM is now a Fox Sports Radio affiliate.

KORD

870 AM KORD was a Country station licensed to Pasco, Washington.  The frequency is currently home to News/Talk 870 KFLD.  The KORD call letters live on at sister-station 102.7 FM playing "Today's Continuous Country".

KGFW

1340 AM KGFW has been on the air in Kearney, Nebraska since 1927.  

KARN

920 AM in Little Rock, Arkansas went on the air in 1928 with the call letters KARK.   At some point they changed calls to KARN and is currently branded as "The Sports Animal".

CJRL

CJRL "89.5 The Lake" is an Adult Contemporary station licensed to Kenora, Ontario.  The station's name refers to Lake of the Woods, a 70 mile long and wide body of water that straddles the borders of Ontario, Manitoba and Minnesota.

New Hampshire Public Radio

New Hampshire Public Radio's mix of News/Talk and cultural programs is heard on more than a dozen frequencies throughout the state.  NHPR's flagship station 89.1 WEVO went on the air in 1981 and was known as "Granite State Public Radio".  The top sticker is from the mid-1990s when Classical music made up a major part of their programming.

WRNB

WRNB went on the air in New Bern, North Carolina in the late 1950s.  This Wikipedia page claims that they were the state's first full-time Top-40/Rock & Roll station.  1490 AM is currently WWNB, a Sports Talk and ESPN Radio outlet.

WQPM

1300 AM WQPM is an Oldies station licensed to Princeton, Minnesota.  This vintage sticker came out back when they duplicated the programming of WQPM 106.1 FM.

"Q106" later became a full-time Country station.  106.1 FM is now "Bob 106" licensed to Elk River, MN with the call letters KLCI.

KMOJ

89.9 FM KMOJ is a community-oriented station in Minneapolis, Minnesota aimed mainly toward African-American listeners.  They went on the air in 1976 as WMOJ at 1200 AM before moving to 89.7 FM in 1978.  A power increase and frequency change to 89.9 FM took place in 1984.
KMOJ airs Talk programming along with Soul, Blues, Reggae, Jazz, Hip-Hop and Gospel music.  The call letters are derived from the Swahili word umoja which means unity.

CKIQ

CKIQ "Ice FM" broadcasts from Iqaluit, the capital of the northern Canadian territory of Nunavut.  When they signed on the air in 2002, they were the only commercial radio station licensed to broadcast in the territory--which covers more than 700,000 square miles.

KSDO / Mystery Shirts

"KS103" KSDO was a Top-40 station in San Diego, California from 1984 to 1987.

These shirts may or may not be from KSDO.  Anybody know?

WKXX

102.9 WKXX was a Country station licensed to Attalla, Alabama.  They are now known as "Mix 102.9" and carry a Hot AC format.

CKNN

A magnet from 91.1 FM "Nuxalk Radio" in Bella Coola, British Columbia.  CKNN is a volunteer-run, community radio station set up to increase the presence of the Nuxalk language for those First Nations residents who live in the Bella Coola Valley.

KNUS

710 KNUS is a News/Talk station in Denver, Colorado.

Radio Nordschwaben

Radio Nordschwaben once broadcast from Nördlingen in southern Germany.  95.6 FM is now part of the RT1 media group.

The medieval city of Nördlingen is built entirely inside a massive depression that was formed when a meteor struck around 14 million years ago.  It wasn't until 1960 that anyone knew that the town was on top of what is now called the Ries Crater.  The stone in the city is at least partially made up of millions of microscopic diamonds which were formed by the impact of the meteor.  Nördlingen is also entirely surrounded by a wall which was started in the 14th century.  The sticker depicts the area's distinctive fachwerk buildings as well as the bell tower of St. George's church.

4CAB

"Juice 107.3" is a community radio station in Southport, Queensland, Australia.  They play a mix of Contemporary Christian and secular pop music along with news and talk programs.

Prior to becoming "Juice 107.3", 4CAB was branded as "Life FM".

WXYM

WXYM "Mix 96.1" is a Hot Adult Contemporary station licensed to Tomah, Wisconsin.