IARU Amateur Satellite Frequency Coordination

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nSIGHT1 Updated: 22 Jan 2017   Responsible Operator Sias Mostert ZR1MS
Supporting Organisation QB50 & SCS-Space  
Contact Person sias@scs-space.com.nospam  
Headline Details: A QB50 spacecraft. The main objectives of the mission is:  To comply with the QB50 mission objective of doing atmospheric research measurements in the lower thermosphere  To provide SCS-Space payload flight heritage  To provide training/experience for SCS-Space engineers The satellite will use magnetic sensors and actuators to do initial detumbling into a Y-Thompson spin after release from its deployer. After a set time after release, all deployables, including the antennas, will deploy. The satellite will then start transmitting a beacon, and start listening for communication from a groundstation. When the appropriate command is received, the satellite will activate its full suite of sensors and actuators to orientate itself in the RAM direction. During this process the spin the satellite contains in the Y-axis, is absorbed into a momentum wheel, which then provides the stabilized satellite with a momentum bias. At this point the QB50 science payload will be activated and occasionally the payload imager will be tested. Science data, telemetry data, as well as images captured by the payload camera will be sent to the ground if there is a communications opportunity.Proposing a UHF 1k2 AFSK or 9k6 GMSK downlinks and also a high speed QPSK/OQPSK 2Mbps downlink on 2.4GHz. Planned for deployment from the ISS. ** Downlinks on 436,120 MHz and 2405,000 MHz have been coordinated** ** A revised downlink on 435.900 MHz has now been coordinated**
Application Date: 08 Feb 2016   Freq coordination completed on 21 Feb 2016

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