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The video frequency response (horizontal resolution) doesn't look bad.
The following may be repeating what you already know, but let me know if that's right:
The vertical has something wrong, either the interlaced fields are in the wrong order, or (I think more likely) you are only getting one field in the output, causing stairstepping on diagonal edges and gaps on diagonal lines.
When you run just the vintage gear into an analog monitor, are both fields present?
Can you tell if the final result posted to YouTube has only half NTSC vertical resolution? When I look at settings, it says 480P, so I think somewhere in your processing chain it is dropping one field (leaving 240 lines) and somewhere it is interpolating each retained field to 480P.
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Old TV literature, New York World's Fair, and other miscellany
Last edited by old_tv_nut; 02-18-2026 at 04:25 PM.
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