(I forgot what the subject of this thread was, but it's not time-nuts Digest)
> The suggestion of using the mains frequency as a reference is not > practical. There will be no certainty, even after counting for a week > that the mains frequency will give you a reliable reference. You said > it yourself - "the instantaneous frequency of the mains is not always > spot on". That doesn't sound quite right. I think there are several parameters, and some combinations might be interesting. Here are the ones I can think of: How stable is the clock you are trying to measure? How accurately are you trying to measure it? How long are you willing to wait? > If you want a cheap and cheerful 50Hz reference in NZ, use the frame > frequency of TVNZ's TV1 or TV2 transmissions. Is that exactly 50 Hz? US TV is slightly off 60 Hz. -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
