From a June '78 issue of "Cincinnati Magazine." Format descriptions are taken verbatim from the magazine.
AM
550 WKRC - Contemporary Young Adult
700 WLW - Middle of Road
740 WNOP - Jazz
800 WFIB - Top 40/Contemporary
910 WPFB - Adult Listening
1050 WZIP - Gospel
1230 WUBE - Country
1320 WCLU - Modern Country
1360 WSAI - Top 40
1450 WMOH - Contemporary
1480 WCIN - Top 40
1530 WCKY - Adult Pop Standard
1560 WCNW - Gospel Country
FM
88.3 WAIF - Non-commercial
88.3 WJVS - Informative / Easy Listening
89.3 WRCJ - Easy / Pop / Rock / Country
90.9 WGUC - Classical / Public Affairs
91.7 WVXU - Variety / Talk / Education
92.5 WWEZ - Easy Listening
93.3 WAKW - Religious
94.1 WSAI - Top 40
95.0 WLYV - Adult Listening <actually 94.9>
98.5 WLQA - Middle of Road
100.9 WHKK - Gospel
101.9 WKRQ - Rock
102.7 WEBN - Progressive Rock
103.5 WYCH - Easy Listening
105.1 WUBE - Country
105.9 WPFB - Adult Listening
107.0 WLYK - Contemporary Adult <107.1?>
TV stations
Channel 5 WLWT - NBC
Channel 9 WCPO - CBS
Channel 12 WKRC - ABC
Channel 19 WXIX - Ind.
Channel 48 WCET - PBS
AM
550 WKRC - Contemporary Young Adult
700 WLW - Middle of Road
740 WNOP - Jazz
800 WFIB - Top 40/Contemporary
910 WPFB - Adult Listening
1050 WZIP - Gospel
1230 WUBE - Country
1320 WCLU - Modern Country
1360 WSAI - Top 40
1450 WMOH - Contemporary
1480 WCIN - Top 40
1530 WCKY - Adult Pop Standard
1560 WCNW - Gospel Country
FM
88.3 WAIF - Non-commercial
88.3 WJVS - Informative / Easy Listening
89.3 WRCJ - Easy / Pop / Rock / Country
90.9 WGUC - Classical / Public Affairs
91.7 WVXU - Variety / Talk / Education
92.5 WWEZ - Easy Listening
93.3 WAKW - Religious
94.1 WSAI - Top 40
95.0 WLYV - Adult Listening <actually 94.9>
98.5 WLQA - Middle of Road
100.9 WHKK - Gospel
101.9 WKRQ - Rock
102.7 WEBN - Progressive Rock
103.5 WYCH - Easy Listening
105.1 WUBE - Country
105.9 WPFB - Adult Listening
107.0 WLYK - Contemporary Adult <107.1?>
TV stations
Channel 5 WLWT - NBC
Channel 9 WCPO - CBS
Channel 12 WKRC - ABC
Channel 19 WXIX - Ind.
Channel 48 WCET - PBS