RoseyCubesat-1 Image Decoding - last beacon(s) before decay

Ill look out for it but the time and el is not ideal for me

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It will be 80° elevation for me, but the transmission will start right at AOS. Let’s see what we can afford together.

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2024-08-25 10:11:57 UTC
2024-08-25 10.11.57utc RoseyCubesat-1 - DL7NDR
Black magic.

970 of 2160 packets.

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same here just a small number of packets, maybe we can get something if there combined? but im not so sure.
2024-08-25 101346.360.txt (45.9 KB)

I suppose the not received packets will also appear as black rows.
Perhaps photographed in wrong direction.


It’s the same at my place :frowning:

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RoseyCubesat-1 is a 1U satellite with no attitude control, so images are taken in random directions. The wide field of view of the lens means that there is generally a good chance that the Earth will be somewhere in the image. However, sometimes it’s just a picture of black space. Just bad luck!

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Schedule for next transmission: 2024-08-26 (Monday) 10:06 UTC.

RoseyCubeSat-1 is already below 270 km.

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Any noticeable increase in SNR due to the low altitude?

I overslept so i missed this one (12 hour nightshift weekend)… 3 alarms set for 10:00utc tomorrow :slightly_smiling_face:

Jomjom79

If the transmission was sent at midnight tonight id have a much better chance of receiving as it would be right above me but 10:06 will be even less than today for me. Ill give it a go and see what happens

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I think there might be more SNR but the foot print of the area it transmits to will also reduce as its closer to the earth. well that what I believe would happen

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My today’s impression was a stronger signal than before but I cannot tell you in numbers.

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Got to love the Brave AI, its very useful. yesterday I asked it to design an Arduino program for monitoring water pressure and capturing the data via IoT, and it did just that.

2024-08-26 10:11 UTC
Screenshot 2024-08-26 101545

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Rosey1

Rosey2

Jomjom79

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Transmission started really strong but then it faded in and out.


Same here. Lots of fading. And QRM in the form of a HDMI spike from my neighbor on top of the signal. Transmission ended 10:15utc. Max elevation 29°.

Jomjom79

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https://x.com/Tomek_SP5LOT/status/1828017780886553005
RoseyCubesat-1_2024-08-26_12-11-20,451835
Max. el. 12

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My rotator lost connection to hamlib (as usual if unattended), but this came out at least.

2024-08-26 10:11:17 UTC
2024-08-26 10.11.17utc RoseyCubesat-1 - DL7NDR (249 packets)

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name = u’Periodic Message’ (total 16)
text = u’Une Ecole pour la Vie’ (total 21)
Time = 2024-08-26 10:14:36
vbat = 0
ibat = 0
temp = 160

I dont know if that temperature value is correct, but if it is i hope its Fahrenheit… Even then its around 71c.

Jomjom79