[time-nuts] WWVB Outages?

[Tom Van Baak]

Greg,

It happens now and then; no big deal. NIST is very good about
logging these events for us. For recent (and past 7 years) see:

http://tf.nist.gov/stations/wwvboutages.htm

/tvb

> Have any of you noticed intermittent WWVB outages lately?
> 
> I've been having that problem, every once in a while, the past month or 
> more. For example, here in Colorado Springs, the 60 kHz signal disappeared 
> sometime this morning before 11:42AM MST, and returned at 12:28PM MST. When 
> this happens it kills my routine plot of my GPS-disciplined house standard 
> against WWVB (that I use for in-house cross-checking / confidence purposes).
> 
> I'm using a Kinemetrics Model 60TF WWVB Frequency Comparator / Receiver, 
> that requires a continuous WWVB signal. (This is unlike the consumer "Atomic 
> Clocks" that the public use; those kinds of WWVB-locked clocks do *not* 
> require a continuous on-air signal, but rather "flywheel" in between 
> scheduled locks a few times per day, as I understand it?)
> 
> Cheers,
> Greg
>