[amsat-bb] AO 92
John Brier
johnbrier at gmail.com
Thu Apr 11 19:11:27 UTC 2019
Look at this waveform from an AO-85 recording:
https://i.imgur.com/LNW4EP3.png
Every peak is a fade. They repeat approximately every 8 seconds
through the entire pass. It seems to me this is due to tumbling.
Depending on where you are you may not hear it. I assume the TX
antenna is on the side of the sat opposite to you during the fade.
Sometimes you get unlucky and you have to live with it. It's not a
polarity switch due to the ionosphere.
Here is the audio recording that waveform is from:
https://www.dropbox.com/s/sfw0v9m01gnmipl/2017-07-09_-_2105_UTC_-_AO-85_KG4AKV_FM05.mp3?dl=0
73, John Brier KG4AKV
On Thu, Apr 11, 2019 at 2:30 PM Jeff Johns via AMSAT-BB
<amsat-bb at amsat.org> wrote:
>
> What is your set-up? I’m just QRP portable and to deal with most fades, it’s just a simple matter to twist my Arrow antenna to keep up with the polarization. AO-91/92 are two of the easiest satellites to work with minimal equipment. Best of luck and 73.
>
> Jeff WE4B
>
> > On Apr 11, 2019, at 12:47 PM, James Brown via AMSAT-BB <amsat-bb at amsat.org> wrote:
> >
> > Just tried AO92 . The fading seams to be worse then ever! Every time I make a call the responding station gets caught in the fade.
> > is there a way to combat this? I am running CP yagis.
> > Jim
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