[time-nuts] TV Signals as a frequency reference

[Bob kb8tq]

Hi


> On Mar 30, 2018, at 6:13 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> 
> 
> fgrosz at otiengineering.com said:
>>  Now that analog TV has gone away, so
>>  have these signals. 
> 
> What do the local TV stations use for a frequency reference?

Anything from a crystal oscillator to a Cs standard. It’s very much a “that depends”
sort of thing. If Crazy Bob is the chief engineer it might be a hydrogen maser ….

> 
> Are there low cost receivers that also produce a good reference frequency?

As noted earlier, color burst references were a big deal a long time ago. Depending
on how they do what they do it might still be a good bet. The big risk is that it could
be a good bet “most of the time”.

Bob


> 
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