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![]() AMSAT-UK /////////////////////////////////////////// EO79 FUNcube-3 transponder commences regular operation Posted: 10 Nov 2016 07:31 AM PST https://amsat-uk.org/2016/11/10/eo79...lar-operation/ QB50p1 EO79 CubeSat Credit ISIS AMSAT-UK and AMSAT-NL working with ISIS BV are delighted to announce that the FUNcube 435/145 MHz SSB/CW transponder, on the 2U CubeSat QB50p1 (EO79), has now been activated with a regular schedule. Due to power budget constraints the transponder cannot be operational 24/7 and an orbit specific schedule has been developed. The transponder will commence operation 27 minutes after the spacecraft enters sunlight and will stay on for a period of 25 minutes. This schedule may be modified over the forthcoming weeks as a result of experience. The transponder frequencies a Uplink: 435.047-435.077 MHz LSB Downlink: 145.935-145.965 MHz USB The output power is approximately 400mW. Qb50p1 (EO79) was launched in June 2014, as a collaborative effort led by the von Karman Institute and ISIS-BV, into a sun synchronous 620600 km polar orbit as a precursor spacecraft for the QB50 mission. The primary function of the satellite was to test a number of the systems and science payloads. This phase has now been completed and we are grateful to VKI and ISIS BV for carrying this transponder into space and, again, to ISIS, for developing and uploading the new, required, flight code. We hope you have lots of fun using EO79! /////////////////////////////////////////// Middle School Students FM Transponder Satellite Launched Posted: 10 Nov 2016 04:05 AM PST https://amsat-uk.org/2016/11/10/stud...onder-cubesat/ Middle School Students CAS-2T a technical verification satellite for CAMSAT CAS-2 series amateur radio satellite launched at 23:42 UT November 9, 2016 on a CZ-11 rocket. The 2U CubeSat, developed by students from Fengtai District, Xicheng and Haidian District secondary schools, carries a ham radio 145/435 MHz FM transponder. CAS-2T will not be separated from the final stage of rocket, so the orbital life may be 10 to 30 days before the final stage of the rocket re-enters the atmosphere. CAS-2T 145/435 MHz FM Transponder CubeSat On the AMSAT Bulletin Board Alan Kung BA1DU writes: Amateur radio payloads: CW Telemetry Beacon:435.710 MHz FM Transponder Uplink:145.925 MHz FM Transponder Downlink:435.615 MHz Launch vehicle: CZ-11(Y2) solid rocket Launch time: 23:42, 9-Nov-2016 Epoch time: +620.615 seconds Inclination degree: 97.400985 degrees RA of node degree: Eccentricity: 1.77E-4 Perigee degree: 328.206969 degrees Mean anomaly degree: 198.226766 degrees Period: 5685.564 seconds Speed: 7607.496391 m/s Longitude: 93.693693E Latitude: 13.531945N 73! Alan Kung, BA1DU CAMSAT Associated links: News report https://www.chinaspaceflight.com/sat...aonian-01.html Mike Rupprecht DK3WN CAS-2T seems to be Object 2016-66E http://www.dk3wn.info/p/?p=75971 ‘Keps’ for new satellites launched in past 30 days http://celestrak.com/NORAD/elements/tle-new.txt |
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