Geoscan-Edelveis mission

29.11.2022 09:46:00
a_0
I always see a shift in the transmission frequency over time when transmitting pictures. And I always have the latest TLE.

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Frequency: 10492 MHz
We can try to transmit whenever you ready:)
GFSK, around 1 MHz

Please let us now when you will be ready? Is it possible to test it on 1/12/2022 around 8:57 UTC?

I can try to receive it as well =D

City lights at night!!!

Will it be possible for you to try at 30/11/2022 15:36 UTC?
Or we can try a bit later

That may work, but I haven’t used my x band system in a while. I might be able to get it running in a day.

A bigger problem is that I have school at 10 am. Perhaps the weekend might be better?

EDIT: It is a nice pass, I might be able to get out of school tomorrow if I catch up on work today.

We can try it on weekend. Let us know if your system is working!

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Sure! There’s a nice pass on Dec 4 15:24 UTC.
Thank you so much!!

Shift is probably caused by modem heat up when long TX happening

What data is going to be transmitted? Or a carrier?

We are currently sending only one image at time with jpg format. If two transmissions happened with a pause (around 30 sec) between them they will be a different images.

If it seems that one transmission have a lot more data than image itself then you might be correct. We transmit buffer that should contain different sized photo, so if photo is smaller than buffer other bytes will be some junk.

Just a carrier for now

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What software to use to decode this signal ? GFSK 1 Mhz on 10492 Mhz ?

It would be great if you could just receive carrier. Yes GFSK ~1 Mhz on 10492 Mhz

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Please let us know what the X-band schedule will be over the weekend, looking forward to attempting to receive it!

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Last flight. 29.11.2022 22:42:30 UTC
a_0

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Same as yesterday? Hmm…

UPD: I’ve found the reason:) Thanks!

2022-11-30_51-53

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Wonderful picture! Thank you!

New schedule for images transmission:

30.11.2022 15:36:30
30.11.2022 15:38:00
01.12.2022 10:31:00
01.12.2022 10:32:50

X-band carrier (10492 MHz, GFSK, <1MHz, 10 sec) transmission:

01.12.2022 08:57:00
01.12.2022 08:57:30
01.12.2022 08:58:00

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