[amsat-bb] Observations on tracking programs

[Don KB2YSI]

Make sure the keps are updated, Aldo the clock but I assume they are
running on the same computer so that is unlikely to be a problem.

73, Don KB2YSI

On Sun, Sep 2, 2018, 02:10 B J <va6bmj at gmail.com> wrote:

> On 9/2/18, Wendy and Terry Osborne <wandtosborne at gmail.com> wrote:
> > Hi Folks,
> >
> > I have recently been following AO-91 with a selection of tracking
> programs
> > and confirming
> > the results with observations of the downlink.
> >
> > Using the same QTH location and Keps, I found the following:
> > The AMSAT-NA online tracking page is pretty accurate. See:
> > https://www.amsat.org/track/index.php
> > Heavens-above.com is also pretty good. See:
> https://www.heavens-above.com
> > SatPC32, Orbitron, InstantTrack, and Quiktrak are pretty good and give
> the
> > same results as the “On-Line” trackers.
> >
> > Nova is about 5 minutes ahead.
> > GPredict is about 5 minutes behind.
> >
> > Has anyone else noticed this?
>
> <snip>
>
> I've never worked AO-91, so I can't comment on that.  I run Gpredict
> on a Linux ThinkPad and i found that it's been accurate for satellites
> such as FO-29.
>
> 73s
>
> Bernhard VA6BMJ
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>