Here is an older red, pre-worn T-Shirt, size Large that has a graphic on the front that reads: Minneapolis St Paul 90.3 106.7 FM KFAI For 25 Years, A Radio Nation Without Boundaries (see below--they started in 1978). Nothing on the back. The T-Shirt measures 22 inches across the chest measured under the arms and from the back of the neckband to the bottom hem is 29 inches. No holes or stains and 50% cotton and 50% polyester.
And just so you know...
http://www.kfai.org/about
KFAI has been broadcasting since 1978 with major signal expansions in 1982, 1994 and in 2008 to its current level of 900 watts.