IARU Amateur Satellite Frequency Coordination

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BDSAT-2 Updated: 08 Dec 2022   Responsible Operator Miroslav Kasal OK2AQ
Supporting Organisation Central European Institute of Technology (CEITEC)  
Contact Person kasal@feec.vutbr.cz.nospam  
Headline Details: BDSat-2 is a 1U CubeSat mission of the Central European Institute of Technology CEITEC, Brno University of Technology and other partners. In this mission students from four Czech technical universities are involved with us along with members of an amateur radio community from The Czech Republic. Experimental payload subsystem is developed to verify and qualify pressure sensor devices for use in open space conditions. On top of technical verification, feasibility and suitability of the technology will be studied. The second part of the experiment aims to verify supercapacitor technology as a modern energy storage solution. The satellite uses two amateur bands for communication UHF telemetry downlink, beacon downlink and payload data transmission from the satellite to ground segment. The second band is VHF used for uplink commands achieving a full duplex communication. Both aim to use AX.25 GFSK G3RUH 9600bD packets popular amongst amateur satellite operators and enthusiasts. All satellite telemetry data will be open and readable by the amateur community with documentation provided on the project website www.bdsat.cz BDSat-2 is a successor of the BDSat-1 project. BDSat-2 satellite is designed for HAM radio activities. Main purpose is to provide services for radio amateurs worldwide and also for students of technical universities to get hands-on experience with satellite communication and get radioamateur licences. One of the project goals is to popularize HAM activities across the common population, students and children in Czech republic. BDSat-2 will provide these HAM services: - AX.25 telemetry - CW beacon - Digipeater - Anniversary/special occasions AX.25 & CW messages for community engagement - SATNOGS integration, decoder, dashboard Proposing a UHF downlink using 9k6 AX25 G3RUH data format and planning a launch with Exolaunch using the SpaceX Transporter 6 flight in Q3 2022 into a 500-600km SSO. More info from https://www.bdsat.cz/ **A downlink on 436.025 MHz has been coordinated**
Application Date: 03 Jun 2022   Freq coordination completed on 20 Sep 2022

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