[amsat-bb] Secondary mission ideas

[Stefan Wagener]

These are great ideas and whatever is implemented will be exciting. Please
consider L-band uplink in any design.

73, Stefan, VE4SW

On Thu, Oct 31, 2019 at 11:27 AM John Brier via AMSAT-BB <amsat-bb at amsat.org>
wrote:

> On Tue, Oct 29, 2019 at 8:19 PM Leffke, Zachary via AMSAT-BB
> <amsat-bb at amsat.org> wrote:
> > Idea 2:  How 'utilized' are the Amateur Satellite Service bands?
> > Different idea could be spectrum mapping.......depending on the type of
> SDR, if they can receive the full 3 MHz of 435-438 MHz band....do some
> FFT/averaging magic, store off FFT 'snapshots', and then later downlink the
> snapshots.  Idea would be to develop a 'heatmap' of the use of the 435-438
> MHz band.  Doesn't have to be hyper-precise geolocation or anything that
> crazy to still to be useful......as long as they manage a reasonably
> accurate timestamp for when the FFT was taken (preferably in UTC, or at
> least something that can be mapped to UTC) they could figure out where the
> bird was from TLEs later.  If they happen to be flying a GPS, even better.
> Global heatmap of the 435-438 MHz band might be good info for groups like
> IARU for coordination purposes.
>
> More data can't hurt but this has already been done:
>
> https://marconissta.com/uber/
>
> 73, John Brier KG4AKV
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