The initial part of the email by KK7JDD, Shae A Henley, looks interesting to me " We've gotten our pictures down via UHF". Is it by any means an SSTV transmission? Is it possible to receive them like the usual SSTV from the International Space Station? 

Not sure whether the satellite in polar sun-synchronous orbit will be passing over VU. Any suggestions?

73 

Jon, VU2JO

On Sun, Sep 29, 2024 at 8:30 PM Mike Seguin via AMSAT-BB <amsat-bb@amsat.org> wrote:

Here's the latest I got from Shae at the University of Arizona... The 10
GHz downlink has been successfully tested.

Mike, N1JEZ
============

  Hey Mike,

Thank you so much for following up with us, I'm so sorry for the delays!
We've gotten our pictures down via UHF, which is how we've been talking
to the spacecraft. Unfortunately, due to having to troubleshoot some
problems, it's taking longer than we expected to get everything up and
running (although we're getting there).

So we haven't done anything with x-band/the 10GHz downlink yet, but are
actually planning on conducting our first x-band test tonight over
Tucson! We're also working on fine-tuning our ADCS as well.

It's great to hear some hams are interested in our x-band capabilities
though! It'll be a while until we'll have our linear transponder mode up
and running, but when we do we'll post updates on our website. Our
uplink is at 5.66GHz, so you should be able to pick it up with your system!

We'll also let you know when we begin science operations; our HF antenna
can sample the 5 – 30 MHz range. That antenna only receives, and the
data we get from signals sent by hams will let us see how radio waves
propagate through the ionosphere and how changing solar activity effects
the ionosphere in real time, and we'll make all our data public.
However, we have yet to deploy our HF antenna, but will also post
updates on our website, if you would be interested in that as well.

We'll let you know when we're in linear transponder mode too.

Here's the link to our website: https://catsat.arizona.edu/

Thank you!
Shae Henley

On 9/29/2024 12:57 AM, zl2bjo--- via AMSAT-BB wrote:
> Hi all,
>
> Can anyone please provide the good oil relating to the 10gHz downlink on
> the recently lunched CatSat satellite please?
>
> Is its reported (IARU) downlink operational, what size of dish required
> etc etc? I had previously understood this downlink was to rebroadcast HF
> FT8 and WSPR signals as received by the satellite??
>
> Thank you in anticipation.
>
> ZL2BJO@gmail.com <mailto:ZL2BJO@gmail.com>
>
>
>
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--
73,
Mike, N1JEZ
"A closed mouth gathers no feet"


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