Hi there. I don't know how much these guys will be able to help you... They generally aren't looking for currents, but you may be able to get somethin from them at cost, or work out a deal.
If you do, let me know, I love Philly airchecks.
Aircheck Trading Emporium
http://oak.cats.ohiou.edu/~gulino/aircheck/index.html
GARY PFEIFER'S RADIO AIRCHECKS
http://www.geocities.com/garypf_2000/
Bob Gilmore's Radio and Airchecks Home Page
http://www.ctconnect.com/Rgilmore/Airchecks.htm
Aaron Mintz' Radio and TV Archive
http://www-unix.oit.umass.edu/~ahmintz/
Greg Pattenaude's Aircheck list
http://home.nycap.rr.com/airchecks/index.html
Chip Kelly may have some stuff too, I do not know ware he is as the link I have for him doesn't work anymore.
I'm trying to think. Steve West probably has some stuff on his airchex.com website, but you cannot trade with him so that won't work. As for whom else? There is a guy who I don't have who went by the name of Skim (I think he is from Missouri?), and John Y, and Steve Solomin. I do not know these guys URL's, but maybe someone else can chime in.
Chip Kelly and Skim does current airchecks, so they may be possabillities. John Y and Steve Solomin may, talk to them.
Matt Signburg over at
http://BigAppleAirchecks.com may have a tape or two that you are interested in.
So may Addam Greenburg and Mike Workman ( do not have there URL's.)
Some of these guys probably have other stations that do the progressive sound that MMR and IOQ used to do, also. Check them out, and others may post the URL's of names i've mentioned for ya.
Hope this helps!
John
Bensalem, PA