IARU Amateur Satellite Frequency Coordination

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NEUDOSE Updated: 23 Aug 2022   Responsible Operator Aaron Pitcher VA3DFT
Supporting Organisation McMaster University  
Contact Person pitchea@mcmaster.ca.nospam  
Headline Details: A 2U CubeSat mission.The NEUtron DOSimetry & Exploration (NEUDOSE, pronounced “new-dose”) CubeSat is a miniature satellite being developed at McMaster University as an opportunity for early career science and engineering students to develop their technical, leadership, and flight project development skills. The primary scientific objective of NEUDOSE is to characterize the space ionizing radiation environment in low Earth orbit (LEO) by providing new measurements of space radiation quality factors. Measurements of space radiation quality factors are critically needed to improve the accuracy of cancer risk projections and to provide guidance for radiobiological research. In doing so, NEUDOSE will also contribute to the global goal of sending humans to Mars by reducing the uncertainties in space radiation cancer risk predictions. But most importantly, the NEUDOSE mission offers McMaster University students a new learning opportunity where students can gain valuable and employable skills in: • Project Design • Project Management • Electronics Design (High Speed, Embedded, Radio Frequency, Analog, Digital, etc.) • Mechanical Design • Instrument Development • Software Development • Monte Carlo and Finite Element Simulations (Thermal, Stress, Shock, Vibrational, Fatigue, etc.) • Space Communications • Amateur Radio • Public Outreach & Education Through hands-on scientific discovery, students will engage and develop Science, Technology, Engineering and Mathematic (STEM) skills that are essential for their future success. Participation in this project, will not only contribute to student development but will also develop the next generation of Highly Qualified Personnel (HQP). The goal is to establish a strong Canadian presence in future aerospace projects helping us to see beyond our own planet and into the vast reaches of our solar system. NEUDOSE will also advance the technology readiness level (TRL) of the Charged & Neutral Particle Tissue Equivalent Proportional Counter (CNP-TEPC), along with our McMaster University in-house designed radiation tolerant Flight Computer, Mechanical Structure and Amateur Communication Radio. The CNP-TEPC is the primary science payload and is currently being designed to fit within 1 U (10x10x10 cm3) of volume, such that it can also potentially fit on the Extravehicular backpack carried by astronauts during spacewalks. The CNP-TEPC has the potential to revolutionize the way we characterize radiation risk by enabling detailed measurement of the actual radiation field incident on each individual crew member, on a particle-by-particle basis, and in real-time. This has never been done before. The Amateur Communication Radio has been developed in-house by our communications team of basic and advanced amateur radio operators. Over the course of the project, the team has trained 6 amateur radio operators. New communication team members are encouraged and trained to achieve their amateur certificates. By doing this, they learn how to operate and control a spacecraft remotely from earth service station. The development of our custom amateur communication radio and ground station provide the educational platform for training and development. The communication link plans to use the amateur 2 m Very-High Frequency (VHF) band for uplink and 70 cm Ultra-High Frequency (UHF) band for downlink. The project breakdown is as follows: Educational (Training and Research): 95% Amateur (Communication Module Technical Demo.): 5% Professional Research: 0% Testing on behalf of Commercial Interests: 0% Testing on behalf of Professional Interests: 0% More information on the mission objectives and the amateur communication radio can be seen in Mission Overview chapter that is attached in the Radio Licensing Application Addendum. https://drive.google.com/drive/folders/1Iulv6ZxmC2gOrr4U7yPsJwScu8J9Xwy9?usp=sharing Satellite health and data will be available to be monitored on http://dashboard.mcmasterneudose.ca/ Description of modulation, protocol, packet structure and decoding procedure will be posted to http://telemetry.mcmasterneudose.ca/ Proposing a 9k6 UHF downlink using 2-GFSK. Planning a NanoRacks deployment Q1/Q2 2022. More info at http://mcmasterneudose.ca/ and https://drive.google.com/drive/folders/1Iulv6ZxmC2gOrr4U7yPsJwScu8J9Xwy9?usp=sharing **A downlink on 436.050 MHz has been coordinated** **Now expected to be launched to the ISS in January 2023 and deployed in April 2023**
Application Date: 18 Jul 2020   Freq coordination completed on 02 May 2021

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