[time-nuts] Timing for Pendulum Astrolabe?

[Jim Harman]

>
> Is there an Android app where I could just push a button and have the
> local mean sidereal time recorded?  Lacking LMST
> is there an app for any other time scale?
>

Take a look at AdvSunMoon, which will capture LMST when you hit the Now
button. It will either use the current GPS location or you can point to a
spot on a map and it will use that location.

There is also Starstruck Navigation, which is a more complete celestial
navigation app.

On Sat, Dec 1, 2018 at 9:09 AM Dana Whitlow <k8yumdoober at gmail.com> wrote:

> I recall seeing an Android app several years ago which could at least
> display LMST, but I could never use it.  It would only accept position via
> the built-in GPS, not by manual entry as an alternative.  My cheap
> mini-tablet's GPS receiver was so insensitive that it was virtually
> unusable.  Curiously, last summer it came to life and worked well
> for about half an hour, then quit again.  Go figure...
>
> Dana
>
>
> On Sat, Dec 1, 2018 at 7:34 AM Gregory Beat via time-nuts <
> time-nuts at lists.febo.com> wrote:
>
> > Is David White still in business?
> > YES.  David White’s SitePro is now based in Lafayette, IN (near Purdue
> > University).
> > http://www.dwsitepro.com/
> >
> > The David White name is known for high-quality surveying equipment and
> > optical instruments. The David White Company was founded in Milwaukee,
> > Wisconsin, in the year 1895 by Mr. David White. The founder was born in
> > Hungary and his occupation was that of an instrument maker. After
> > immigrating to the United States he started the company with the help of
> > established relatives in the Milwaukee area.
> > In 1900, he organized a partnership with Charles Klaweither, as they were
> > both involved with manufacturing drawing and surveying instruments. The
> > company was incorporated on June 22, 1912 and it's products became widely
> > recognized for craftsmanship in specialized optics along with the name
> for
> > high quality.
> >
> > How old is this David Clarke Astrolabe?
> > Most likely the last number (on mfg. plate) is the internal mfg. serial
> > number,
> > which would suggest a 1945 manufacturing date.
> > http://www.surveyhistory.org/how_old_is_my_david_white.htm
> >
> > greg
> > chicago
> > ==
> > Date: Fri, 30 Nov 2018 17:38:12 -0800
> > From: Brooke Clarke <brooke at pacific.net>
> > To: Discussion of precise time and frequency measurement
> >    <time-nuts at lists.febo.com>
> > Subject: [time-nuts] Timing for Pendulum Astrolabe?
> >
> > Hi:
> > I'm learning about the 60-Degree Pendulum Astrolabe:
> > https://prc68.com/I/PendulumAstrolabe.shtml
> > The idea is to mark the time when a known star crosses the 60 degree
> > elevation circle.
> >
> > Is there an Android app where I could just push a button and have the
> > local mean sidereal time recorded?? Lacking LMST is there an app for any
> > other time scale?
> >
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> >
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-- 

--Jim Harman