Ken Kopp wrote:
If you are receiving a network ... as opposed to a local ... TV
program, the 3579.5454 NTSC color burst signal from your TV will very
accurate. It's locked to the network's frequency standard, which is
in turn locked to the NBS standard in Boulder.
That was true at one time, but is it still the case? I recall reading
that with the switch to digital video distribution color burst is
locally generated and hence not tied to the NBS standards.
Jack K8ZOA
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