Radio, railways, stuff...

M0RVB

UmKA-1 SSTV

I came across a post about the UmKA-1 (RS40S) cubesat and it broadcasting SSTV images - nearly missed it, I must read more as I usually only take notice of the ISS events. Anyway, I managed to receive two pictures, one sadly not so good. I missed one pass that would have been good, at least it sounded good on the TS2000X but the PC's USB ports had decided they did not want to play. Grumble. But here are the two images I did get: Info on the cubesat can be found at https://db.satnogs.org/satellite/SDUV-9624-5611-1090-5908

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M0RVB

SAQ UN-day broadcast

Another successful reception of SAQ on 17.2kHz today. As usual this was via SDR++ on the Mac using an AirSpy HF+ Discovery and a YouLoop antenna in the loft roughly aimed at SAQ. Today's broadcast was for UN Day. The screenshot below shows the first signals while the transmitter was being set up. The next screenshot is mid-broadcast: And finally the end of transmission. The event was livestreamed on YouTube and recordings etc. can be found at https://www.youtube.com/c/AlexanderSAQ

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M0RVB

ISS SSTV 23/10/26 (updated)

The OscarWatch software now has an SSTV module built in. Here is a screenshot of the reception of an SSTV image from the ISS taken on 23/Oct/2026 at 08:48:47 UTC. The equipment involved is the usual TS2000X and QFH in the loft. I also recorded it on the Linux PC via QSSTV and audio via the mixer. OscarWatch handles the doppler tracking. I managed to receive six of the twelve images: 1, 2, 7, 8, 9 and 12:

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