As listed in The Sandusky Register, via the Newspaper Archive
Listing is probably incomplete
2 - USA Network
3 - CNN
4 - ESPN
5 - TNT
8 - WJW 8 Cleveland (CBS)
9 - WKYC 3 Cleveland (NBC)
10 - WEWS 5 Cleveland (ABC)
11 - WTOL 11 Toledo (CBS)
12 - WVIZ 25 Cleveland (PBS)
13 - WTVG 13 Toledo (NBC)
16 - WUAB 43 Lorain (Ind.)
17 - WTBS Atlanta
19 - WOIO 19 Cleveland (Fox)
20 - WUPW 36 Toledo (Fox)
22 - WGGN 52 Sandusky (Religious Ind.)
25 - W41AP 41 Sandusky (Ind. - owned by the newspaper)
26 - CBET 9 Windsor (CBC)
27 - WBGU 27 Bowling Green (PBS)
30 - WGTE 30 Toledo (PBS)
31 - Lifetime
32 - CNN
34 - Nickelodeon
37 - Discovery Channel
39 - Movie Channel
40 - Showtime
41 - Disney Channel
42 - HBO
43 - A&E
44 - Family Channel
45 - TNN
46 - ACTS
51 - BET
52 - FNN
Listing is probably incomplete
2 - USA Network
3 - CNN
4 - ESPN
5 - TNT
8 - WJW 8 Cleveland (CBS)
9 - WKYC 3 Cleveland (NBC)
10 - WEWS 5 Cleveland (ABC)
11 - WTOL 11 Toledo (CBS)
12 - WVIZ 25 Cleveland (PBS)
13 - WTVG 13 Toledo (NBC)
16 - WUAB 43 Lorain (Ind.)
17 - WTBS Atlanta
19 - WOIO 19 Cleveland (Fox)
20 - WUPW 36 Toledo (Fox)
22 - WGGN 52 Sandusky (Religious Ind.)
25 - W41AP 41 Sandusky (Ind. - owned by the newspaper)
26 - CBET 9 Windsor (CBC)
27 - WBGU 27 Bowling Green (PBS)
30 - WGTE 30 Toledo (PBS)
31 - Lifetime
32 - CNN
34 - Nickelodeon
37 - Discovery Channel
39 - Movie Channel
40 - Showtime
41 - Disney Channel
42 - HBO
43 - A&E
44 - Family Channel
45 - TNN
46 - ACTS
51 - BET
52 - FNN