IARU Amateur Satellite Frequency Coordination

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Horyu-3 Updated: 22 Jul 2013   Responsible Operator Akitoshi Takahashi JG6YBW
Supporting Organisation Kyushu Institute of Technology  
Contact Person m350924a@tobata.isc.kyutech.ac.jp.nospam  
Headline Details: The mission of HORYU3 is inherited from HORYU2, which elucidates the arcing mechanism in orbit. In order to elucidate the arcing mechanism, the satellites will perform the measurement of arcing currents. The arcing mitigation technique can be developed by based on results from this in-orbit experiment, and in fact this mission will contribute to develop high voltage spacecraft power buses. In addition, HORYU3 has the other missions as follows;  Technology demonstration of inter-satellite communication by using Light Emitting Diode (LED)  Earth observation by using CMOS camera  Send birthday messages from space This satellite planes to use amateur radio band, because devices use such radio band are easily obtainable. In addition, because of use of amateur radio band, we will easily able to seek international collaboration and helps from many amateur radio operators, such as receiving CW and FM telemetries. Furthermore, a ground station facility (i.e. amateur radio transceiver and tracking system) is already installed in our research institution) A 3U CubeSat reqeusting a UHF downlink frequency for CW and 1k2 FSK or 9k6 GMSK AX25 baud packet transmitters. Planning a launch via the HTV-4 in July 2014.** A downlink frequency of 437.120MHz has been coordinated**
Application Date: 03 Jul 2013   Freq coordination completed on 21 Jul 2013

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