IARU Amateur Satellite Frequency Coordination
 
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VEERY-0E “Ectobius” Updated: 26 Jan 2024   Responsible Operator David Long KA6WFX
Supporting Organisation Brigham Young University  
Contact Person long@ee.byu.edu.nospam  
Headline Details: A 1U CubeSat. The amateur payload will also be used for transmitting thermal data from the satellite. This data will be used by faculty and students at Brigham Young University in the planning of future cubesat missions. This data will be freely accessible. The amateur payload will be used to transmit the following data Temperature Sensors 6 solar panel on each face of CubeSat near radar power-amplifier to measure radar waste heat 5 on the power board, 4 near batteries 1 by amateur radio power amplifier Attitude determination telemetry - for determining satellite orientation relative to the sun and the Earth to calculate illumination from the sun, Sun sensors Magnetometer Gyro Position determination telemetry (GPS) - for determining satellite beta angle Power telemetry - to calculate bottoms-up, general waste heat from power consumption Battery voltage and current - as a top-level verification of power loads and the resulting energy dissipation within the satellite. Solar power by panel - to subtract from 8 Amateur Satellite Frequency Coordination Request v40 Page incident heat for Earth albedo and solar calculations. The amateur payload will not be used to transmit radar measurement data, because this data has no relevance to the cubesat thermal investigation. However, the above temperature and telemetry data will be collected during radar operation to evaluate the impact of this heat generation source on thermal conditions. These data will be collected while the host spacecraft undergoes different operating scenarios with a variety of thermal characteristics: Minimum operations - No ADCS, safe-mode with Iridium operated Typical operation - ADCS on Communications - ADCS and amateur radio on High-heat operation - ADCS and radar on The purpose of this mission is to give students at Brigham Young University the opportunity to build and test satellite ground stations, and operate an amateur satellite. The mission will transmit cubesat thermal data that will inform future BYU cubesat projects, as well as operate a digipeater and digital mailbox for the amateur community to use. This mission will also give other amateurs throughout the world the opportunity to make contact with an orbiting satellite, and receive the thermal data listed above. As a payload operated by Brigham Young University and hosted on an experimental Care Weather satellite, this mission will provide an additional opportunity for amateur radio operators around the world to make contact with an orbiting satellite, and receive thermal telemetry data. As part of this project, students at Brigham Young University will be maintaining and operating a satellite ground station. This station will include receivers that will be connected to the SatNOGS network, making them available for others to use. The purpose of this mission is to give students at Brigham Young University the opportunity to build and test satellite ground stations, and operate an amateur satellite. The mission will transmit cubesat thermal data that will inform future BYU cubesat projects, as well as operate a digipeater and digital mailbox for the amateur community to use. This mission will also give other amateurs throughout the world the opportunity to make contact with an orbiting satellite, and receive the thermal data listed above. Proposing a UHF downlink using 9k6 FSK. Planning a SpaceX Rideshare through ExoLaunch into a 500-600 km SSO in Q1 2024. More info at spacecraft.byu.edu **A downlink on 437.125 MHz has been coordinated**
Application Date: 04 Dec 2023   Freq coordination completed on 26 Jan 2024

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