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home | newest check | boards | help index | log | ps | userlogin | send sysop | slog | status forward | bcm news | users | version | remove cookieWG3K > ANS 24.06.25 10:20l 74 Lines 3524 Bytes #21 (0) @ AMSAT BID : ANS173.1 Read: JH4XSY Subj: Hamsat to Test New Super-Black Paint That Could Fix Satellit Path: JH4XSY<IW0QNL<IZ3LSV<ED1ZAC<CX2SA<ZL2BAU<WG3K Sent: 250623/2338Z 19045@WG3K.#SMD.MD.USA.NOAM LinBPQ6.0.24 Pollution AMSAT-UK is delighted to have been able to accept an opportunity to provide a FUNcube Lite payload, with a mode U/V FM transponder, for the exciting Jovian-1 satellite. This 6U CubeSat is being designed and built by Space South Central which is the largest regional space cluster in the UK. This is a partnership between industry and academia, designed to accelerate space business growth, grow the reputation of the south central region of the UK and foster an environment of innovation. A collaboration between the universities of Surrey, Portsmouth and Southampton, JUPITER 窶� the Joint Universities Programme for In-Orbit Training, Education and Research 窶� will equip participants with invaluable hands-on space industry experience and training for their future careers. The FUNcube Lite payload from AMSAT-UK will collect and send telemetry from Jovian-1 sub-systems for educational outreach to schools and colleges, using the tried and tested FUNcube data format. Telemetry will include data from the payload窶冱 own radiation sensor, along with GPS information gathered from the satellite窶冱 CAN bus. These data can be used to map radiation throughout the orbit, identifying planetary radiation 窶鷲otspots窶� such as the polar regions and the South Atlantic Anomaly. It will also give an accurate measure of how much radiation reaches the sensitive electronics within the satellite. While Jovian-1 and its ground station at Surrey University will use commercial S and X band for primary communication, FUNcube Lite will use frequencies in the amateur UHF and VHF spectrum. When not sending telemetry, the payload can be configured as a mode U/V FM voice transponder for amateurs to use for international communications. In addition, Jovian-1 will be a testbed for a new technology to reduce the impact of low Earth orbit (LEO) satellites on astronomy. A new partnership between Surrey NanoSystems and the University of Surrey is aiming to tackle what has become a major concern for astronomers worldwide. They are working on using Surrey NanoSystems窶冱 newest product, Vantablack 310, which is a super-black coating. When Vantablack 310 is applied to a surface, it reflects only 2% of incoming light, meaning it absorbs the remaining 98%. This high level of light absorption makes the coated surfaces appear extremely dark, helping to minimise the unwanted brightness from satellites that can disrupt the work of stargazers. More than 8,000 LEO satellites already orbit Earth, and projections estimate a rise to 60,000 by 2030, partly driven by the development of mega-constellations. To combat this problem, satellite operators have begun experimenting with mitigation strategies, including dark coatings and changes to satellite position, though the negative impact on ground-based measurement persists. Surrey NanoSystems, with a heritage in ultra-black technologies, says their new solution, Vantablack 310, is a handleable, customer-applied coating, resistant to the challenging LEO environment. The technology will have its first on-orbit trial on the Jovian-1 mission, scheduled to launch in 2026. One side of the cubesat will be coated with the material so that reflection and temperature measurements can be compared. More information will be provided at the AMSAT-UK Colloquium taking place during the weekend of October 11-12, 2025 in Milton Keynes, UK. https://amsat-uk.org/colloquium/ [ANS thanks AMSAT-UK, Space South Central, and Talker.com for the above information]
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