IARU Amateur Satellite Frequency Coordination

 
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Nexus Updated: 27 Jun 2017   Responsible Operator Yasuyuki Miyazaki JQ1YGV
Supporting Organisation Department of Aerospace Engineering, Nihon University  
Contact Person miyazaki@forth.aero.cst.nihon-u.ac.jp.nospam  
Headline Details: A 1U CubeSat proposing a UHF downlink. The main mission of NEXUS is as follows. Demonstration of π/4 shift QPSK transmitter. NEXUS performs data downlink by π/4 shift QPSK transmitter using the amateur radio band. We will perform the new radiowave format fast communication between satellite and groundstation To evaluate its superiority, against the communication speed(1200~9600bps) which was the mainstream in conventional amateur radio communication. The demodulation performs the evaluation by using both hardware and software proprietary. Demonstration of transponder. We perform a space demonstration of transponder made by JAMSAT . We will operate the linear transponder for amateur radio operators. Demonstration of FM transceiver. We perform a space demonstration of FM transceiver which (FSK,AFSK,GMSK) made by JAMSAT.  Demonstration of a camera system with high versatility and multifunction. Construction of a camera system with high versatility, focused on newly selected camera modules. We will take some pictures of the earth and use them for amateur radio operators. More information at http://sat.aero.cst.nihon-u.ac.jp/nexus/ No launch or orbit has yet been finalised **Downlinks on 435.900 and 437.075 MHz and 435.890-435.910 MHz for linear transponder with uplinks on 145.910 and 145.900-145.920 MHz for linear transponder uplinks have been coordinated**
Application Date: 15 Dec 2016   Freq coordination completed on

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