IARU Amateur Satellite Frequency Coordination

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Qubik-1 & Qubik-2 Updated: 09 Dec 2019   Responsible Operator Pierros Papadeas SV1QVE
Supporting Organisation Libre Space Foundation  
Contact Person pierros@libre.space.nospam  
Headline Details: Two 50x50x50mm Pocketcubes each of approx 250g. The project mission is for the satellites to conduct a series of telecommunications related experiments, while at the same time, ground station analysis of the received signals will try to exploit doppler variations in order to perform orbit determination and satellite identification from radio amateur stations around the world. The telecommunication experiments will use several different modulation, coding and framing schemes, with the intention to provide insights about their performance at nano-pico-satellite missions. In addition the frame itself will be organized in such a way so spacecraft identification can be performed as early as possible from the PHY (using orthogonal or PN sequences). Proposing UHF downlinks using either GFSK, GMSK or BPKS at 9k6 or 19k2 bps with QPSK at bit rates of 19k2 or 38k4 bps. Planning a Firefly launch from Vandenberg in March 2020 into a circular 300km 97 degree orbit together with GENESIS-N, GENESIS-L, FOSSASAT-1B and FOSSASAT-2 More info at https://libre.space **A downlink on 435.240 MHz has been coordinated for Qubik-1 and 435.340 MHz for Qubik-2**
Application Date: 15 Oct 2019   Freq coordination completed on 09 Dec 2019

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