On Fri, Jan 8, 2021 at 11:40 AM Lux, Jim wrote:
>
> On 1/8/21 6:59 AM, Magnus Danielson wrote:
> > Hi Jim,
> >
> > On 2021-01-08 15:06, Lux, Jim wrote:
> >> On 1/8/21 12:24 AM, Poul-Henning Kamp wrote:
> >>>
> >>> Steven Sommars writes:
> >>>
> There is a ~600-700 msec RTT between
On Tue, Sep 8, 2020 at 3:15 PM djl wrote:
>
> Sort of eavesdropping... you might try a piezoelectric pickup, available
> cheap on epay for guitars, etc. Looking at the actual motion kick of the
> hand(s)?
I have one of these for mechanical watches: https://one-of.com/accuracy-2/
It works nicely
On Mon, May 4, 2020 at 11:37 AM Tim Shoppa wrote:
>
> Has anyone done any time-nuttery with the mechanical clocks available in
> cars up through the 1970's?
>
Not me, but a few years ago I repaired the clock in a 1980 Ferrari 308
-- I didn't really think to take many photos, nor did I bother to
Hi there all,
I'm cleaning out my workshop, and so am selling some of my time stuff...
1: Datum FTS 4060 Cesium Time and Frequency Standard
https://photos.app.goo.gl/m6mAMCkvLmbG4aKo7
I left this unplugged for ~4 months (yes, I know, I know), plugged it
in, and it came up and got lock in ~45
On Mon, Oct 7, 2019 at 4:00 AM Poul-Henning Kamp wrote:
>
>
> In message
> , Michael
> Smith writes:
>
> >A mil-spec connector must be crimped with a routinely CALIBRATED" crimping
> >tool specified by the connector manufacturer, or equal.
>
> You forgot the bit about "X percentage of
On Mon, Jul 1, 2019 at 6:35 AM Bob kb8tq wrote:
>
> Hi
>
> There are a lot of posts back in the archives about various things on Cs
> standards.
>
> Beam current is probably the best way to see “how much is left”. On a high
> performance
> tube, it drops pretty fast at end of life. That makes
On Fri, May 3, 2019 at 4:00 PM Clint Jay wrote:
> I've just laid my hands on a Datum PRS-50 Cesium reference which 'released
> the magic smoke'.
> A common problem with these is the capacitors in the main PSU but these
> have already been replaced by the previous owner.
>
> Unfortunately when he
On Thu, Mar 21, 2019 at 8:00 AM Hal Murray wrote:
>
> jim...@earthlink.net said:
> > It seems like you could probably figure out how to interface to these
> things
> > and use them to distribute timing signals.
>
> There are two big advantages of fibers:
> They work well for long distances.
>
On Thu, Mar 21, 2019 at 7:05 AM Anders Wallin
wrote:
> We've tinkered with SFP-to-SMA adapter boards like this:
> https://github.com/aewallin/SFP2SMA_2018.03
> http://www.anderswallin.net/2018/04/500-mhz-sfp-board-v4/
>
And if you want a "ready made" solution instead of making the board
On Fri, Jan 4, 2019 at 6:59 PM Steve Allen wrote:
> On Fri 2019-01-04T17:05:21-0500 paul swed hath writ:
> > Ed agree with your coment that a 30 or greater year old led may be
> dimming.
>
> Not nearly as much as an entirely different clock illumination:
> radium watch dial paint
I remember my
On Fri, Jan 4, 2019 at 4:15 AM Rice, Hugh (IPH Writing Systems) <
hugh.r...@hp.com> wrote:
> The clock display on a HP Cesium Standard is a bit of a gimmick. The
> legend I was told: An Admiral was touring a nuclear submarine, and was
> being shown the "Atomic Clocks" in the navigation
A while back I purchased a Symmetricom ND4 clock on eBay -- it was lasted
as "Not Working / for parts only", and it turns out that was true -- the
processor board had issues. I wasted much time trying to fix it, and then
simply removed it -- I'm now using a Raspberry Pi Zero to drive the display
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