(By the mid-1960s, WPTW-FM In the mid-1970s, there was also a live weekday afternoon show on 1570 AM hosted by Dave Brennan (later of Dayton's WING).The vintage on-air studio gear (a Collins tube-type audio console with original transmitter and Gates transcription turntables almost dating back to the station's beginnings) were properly maintained in mint condition thanks to longtime chief engineer Don Kuether and remained in use until upgrades were made in the late 1970s and 80s.