[time-nuts] Lady Heather calendar functions

John Miles jmiles at pop.net
Sun May 1 14:38:04 UTC 2011



> -----Original Message-----
> From: Brooke Clarke [mailto:brooke at pacific.net]
> Sent: Sunday, May 01, 2011 7:09 AM
> To: time-nuts at febo.com >> Discussion of precise time and frequency
> measurement
> Cc: John Miles
> Subject: Re: [time-nuts] Lady Heather calendar functions
>
>
> Hi John:
>
> Are you the one to ask about an optional plot?
> The GPS satellite orbits are based on sidereal time so that they have
> repeating ground tracks.
> If the satellite in view plot was in sidereal time then for a fixed
> antenna position the plots would not change.
> This might allow a better way of selecting which satellites the receiver
> uses.
>
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com

That'd be Mark's department.  I just use it to impress visitors with the
nifty graphics!

-- john, KE5FX



> John Miles wrote:
> >
> >> Yes,  Lady Heather has some rather extensive calendar functions
> >> built in,  including a list of common (and not so common)
> >> holidays.  If the file heather.cal is found,  it uses that file
> >> for the holidays... you can add your own or delete some.
> >> Otherwise it uses the built in list.   I don't think John's
> >> latest distribution has the .CAL file...
> >>
> > Yep, it's there.
> >
> > Parenthetically, the TCP test-mule Thunderbolt will be down for
> a few days,
> > in case anyone tries to access it.   Should be back up by
> Thursday night.
> >
> > -- john, KE5FX
> >
> >
> >
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