Not sure where in SW Ohio you live, but this is what I get with a good, 10 year-old, amplified, indoor, rabbit ear antenna in northern Hamilton County right now
2.1 WDTN - NBC Dayton HD
2.2 NBC SD (Reportedl switching to "Escape" soon)
5.1 WLWT - NBC Cincinnati HD
5.2 Memorable Entertainment (METV)
7.1 WHIO - CBS Dayton HD
7.2 Memorable Entertainment (METV)
7.3 LAFF
9.1 WCPO - ABC Cincinnati HD
9.2 Escape
9.3 LAFF
12.1 WKRC - CBS Cincinnati HD
12.2 WKRC - CW Cincinnati HD
14.1 WPTO - PBS Oxford HD
14.2 PBS Prime
14.3 PBS Learn
14.4 PBS World
14.5 WPTO - PBS Oxford (SD 16x9)
16.1 WPTD - PBS Dayton HD
16.2 16 Again
16.3 PBS Learn
16.4 The Ohio Channel
16.5 WPTD - PBS Dayton (SD 16x9)
19.1 WXIX - Fox Cincinnati HD
19.2 Bounce
19.3 Grit TV
WOTH LD - Cincinnati
20.1 Movies!
20.2 Decades
20.3 Buzzr TV
20.4 Heroes & Icons Channel
20.5 AMG (16x9 SD)
20.6 Tuff TV
22.1 WKEF - ABC Dayton HD
22.2 Get TV
22.3 Antenna TV
22.4 Grit TV
WBQC LD - Cincinnati
25.1 "WKRP" (Independent)
25.2 This TV
25.3 Retro TV
25.4 Jewelry TV
25.5 Heartland (16x9 SD)
25.6 SonLife (16x9 SD)
26.1 WBDT - CW Dayton HD
26.2 Bounce
26.3 Ion TV
WDYC LP Cincinnati
36.1 (Low Power) Daystar HD
36.2 Daystar (4x3 anamorphic)
43.1 WOKI - TBN Richmond. Ind
43.2 The Church Channel
43.3 JUCE
43.4 TBN Enlace
43.5 Smile of a Child TV
45.1 WRGT - Fox Dayton HD
45.2 MyTV / This TV
45.3 Comet TV
48.1 WCET - PBS Cincinnati HD
48.2 PBS CrEaTe
48.3 CET Arts
54.1 WCVN - PBS/KET Covington, KY HD
54.2 KET 2
54.3 KET KY
64.1 WSTR - MyTV HD
64.2 Antenna TV
64.3 Comet TV
64.4 GET TV