Since propagation issues quickly degrade both frequency stability and time
accuracy, I see little point in worrying about the difference between UTC
and UTC(NIST).
Of greater interest should be the meaningfulness of time transfer obtained
with
NIST's TMAS service. It is apparently referred to
I was under the mistaken impression that WWV/WWVB had some type of
direct line to NIST in Boulder. However, when I toured the facility in
Fort Collins earlier this year, I learned otherwise. The signals and
carriers are derived/synced from "ordinary" HP (possibly some more
recent
Hi John,
While, tonight, I cannot cite chapter and verse without a lot of
research, I notice you are at a premiere university and certainly have
even greater resources than I to obtain chapter and verse. However, I
can give you the historical basis for your research.
Going back in time the
On Wed 2018-08-29T21:41:26-0400 Bob kb8tq hath writ:
> The whole issue of who is what goes back to some very obscure laws / rules
> passed
> quite a long time ago. It’s been a matter of debate (usually with beer
> involved) for quite
> a while.
When I was a wee lad USNO was the legal time, and
Hi
The whole issue of who is what goes back to some very obscure laws / rules
passed
quite a long time ago. It’s been a matter of debate (usually with beer
involved) for quite
a while.
Bob
> On Aug 29, 2018, at 9:24 PM, Steve Allen wrote:
>
> On Wed 2018-08-29T19:49:59-0400 Bob kb8tq hath
On Wed 2018-08-29T19:49:59-0400 Bob kb8tq hath writ:
> A few more details about “traceability”. USNO is by statute the official
> source of time for the US.
I suggest reading Matsakis, Levine, and Lombardi from this year's PTTI meeting.
USNO and NIST are both legal sources for the US.
The USNO
