[amsat-bb] fading?
John Brier
johnbrier at gmail.com
Tue Oct 30 21:24:40 UTC 2018
I've seen the fading cycle up and down in time consistently through at
least a large part of a pass before with AO-85 and I'm pretty sure that's
what it was.
On Tue, Oct 30, 2018 at 5:06 PM Burns Fisher <burns at fisher.cc> wrote:
> That kind of looks like one low current point with a lot of space when
> there was no telemetry. Could have been just that the reading was taken
> before the Tx turned on for a beacon in idle mode.
>
> Fading could be due to the satellite just rotating such that the antenna is
> pointing right at you (or right away from you) or something like that. At
> least that's what the Technician test (that I've been teaching and VEing)
> says :-)
>
> On Mon, Oct 29, 2018 at 6:43 PM Zach Metzinger <zmetzing at pobox.com> wrote:
>
> > On 10/29/18 4:56 PM, Patrick STODDARD (WD9EWK/VA7EWK) wrote:
> > > I had fading during the first half of the pass, and not so
> > > much after the midpoint. By the time I heard you, I wasn't
> > > dealing with fading. Even twisting my Elk around, there were
> > > points in the first half of the pass where the fading was
> > > still getting in the way.
> >
> > Interesting that the TXPA current dropped off somewhere between 176,750
> > and 182,000 (uptime, reset 27).
> >
> > https://imagebin.ca/v/4KoXhTn5TTlx
> >
> > --- Zach
> > N0ZGO
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