WEJL

A t-shirt from 630 AM WEJL in Scranton, Pennsylvania.  Their call letters stand for (W) Edward J Lynett--the publisher of The Scranton Times newspaper who founded the station in 1923 as WQAN.  WEJL currently carries a Sports format as an ESPN Radio affiliate. 
 

KWYY

A Wyoming-shaped decal from 95.5 FM KWYY in Casper, WY.
 

WQCM

94.3 FM WQCM plays Classic Rock in Hagerstown, Maryland.  Prior to around 2003 WQCM broadcast at 96.7 FM.
 

CFUR

A sticker and brochure from 88.7 FM CFUR in Prince George, British Columbia.  "The FUR" went on the air in September 2001 and is based at the University of Northern British Columbia.

WBBW

1240 AM WBBW is a Sports station in Youngstown, Ohio.  They've been on the air since February 1949.
 

WCER

900 AM WCER was on the air in Canton, Ohio from 1992 until 2011. 
 

2GO

2GO went on the air in 1971 originally on the AM band.  They moved to 107.7 FM in the early 1990s and currently carry the call letters 2GGO.  2GO was licensed to Gosford, New South Wales, Australia.
 

Mystery sticker / Radio L

This could be a sticker from Radio Liechtenstein which also goes by "Radio L" on some of their logos.  Anybody know for sure?  The back of the decal has a business name (probably the company that printed them)--Tilt S.A. based in Morges, Switzerland, more than 200 miles away from Liechtenstein.
 

WUCG

93.1 FM WUCG (W Union County Georgia) is a 100-watt LPFM station licensed to Blairsville, Georgia.  They primarily play Country, Gospel and Bluegrass music and went on the air in 2014.
 

WPLB

1380 AM WPLB was on the air in Greenville, Michigan from 1960 until 2000.
 

WPKQ

103.7 WPKQ was a Country station from 1996 until 2021.  Licensed to North Conway, New Hampshire and transmitting from atop Mount Washington, WPKQ's signal reached much of northern New England.
 

WMAX

AM 1440 WMAX is a Religious broadcaster in Bay City, Michigan and part of the Ave Maria network of affiliated stations.
 

WHPT

An early 2000s sticker from 102.5 FM WHPT in Sarasota/Tampa, Florida.  Another "Bone"-branded WHPT decal can be seen here.
 

WDNC

WDNC has been on the air in (W) Durham, North Carolina since February 1934.  This early 1990s sticker dates to when they shifted from a Big Band/Adult Standards station to more of a Talk station.  They currently carry a Sports format.
 

WAPW

"Power 99" WAPW was a Top-40 station in Atlanta, Georgia from 1986 until 1992. 
 

KTMS

KTMS has been on the air in Santa Barbara, California since 1937, originally broadcasting at 1220 AM and now 990 AM.  The call letters stand for (K) Thomas More Storke the publisher of the Santa Barbara News-Press and the station's founder.  They currently air a News/Talk format of mostly syndicated programs.  This window sticker is from the mid-to-late 1970s when NBC used a blue and white trapezoidal logo.
 

KPEG

KPEG is a 100-watt, low-power FM station owned by the city of Lompoc, California.  "Just This Side Of The 101" refers not only to their 100.9 FM dial position but the fact that Lompoc sits just west of U.S. Route 101 which runs from Los Angeles to Washington state.
 

KLKC

1540 AM KLKC went on the air in Pittsburg, Kansas in October 1948.  Their sister FM station followed in 1978.  Today "V93" plays Classic Hits while the AM half airs a News/Talk/Sports format.  Both are licensed to Parsons, KS.
 

Key Radio

Key Radio is a network of six Religious stations and translators based in Provo, Utah.  The flagship station is 1450 AM KEYY which originally went on the air in 1949.  Key Radio has two signals on 91.7 FM--KEYR licensed to Richfield, UT and KEYV in Vernal, UT.
 

CKOD

103.1 FM CKOD is a French-language station licensed to Valleyfield, Quebec.  In 2015 they transitioned from AC to Hot AC as "Max 103."