NTSC scan rates during the switch to color

[dtvmcdonald]

Originally Posted by Mi40793

No one at a local station or at home even noticed if the network were sending color unless you had a color monitor, or noticed the color burst on a scope. The color H &V rate changes had no effect since by intent they were so close to mono standards.

That's not true. On a good B&W set the difference is very obvious due to dot crawl on a color picture.

The difference is vertical rate is also obvious if the set has any hum in either
vertical sync or video.