WFIL Philadelphia Survey August 21 1967

Click to enlarge. Audio version of the survey is here.

KCBQ San Diego CA Survey October 23 1970

KCBQ survey from 1970, thanks to Timmy! Click to enlarge. Audio version of the survey is here.

WRCP Philadelphia PA Survey October 23, 1967

Click to enlarge. Audio version of the survey is here.

WCCO Minneapolis St. Paul MN QSL Card

Here's a QSL card from WCCO, blowtorch of the Midwest. Click to enlarge either image.

David Letterman WAGO Muncie IN April 4 1969

WFMU's Beware of the Blog has an awesome story on David Letterman, the early years, that goes into detail about his various radio jobs. You can read and enjoy the entire story here.

Also posted by Kliph Nesteroff was an actual aircheck of Letterman on WAGO Muncie from April 1969.
Listen to DJ Dave here.

WIBG Philadelphia Survey June 04 1968

A matching psychedelic survey from WIBG, June of 1968. Click to enlarge.
Click here to listen to the spoken version.

WFIL Philadelphia Survey September 16 1968

Click pics to enlarge. Click here to listen to the survey being read.