IARU Amateur Satellite Frequency Coordination

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Lunar Oscar II Updated: 18 Jun 2023   Responsible Operator Chaoran Hu BG2CRY
Supporting Organisation Harbin Institute of Technology  
Contact Person hcr_hit@hit.edu.cn.nospam  
Headline Details: Lunar OSCAR II is a lunar amateur radio payload developing by a team consists of students in Harbin Institute of Technology and international amateur radio enthusiasts. Its baseline functions include telemetry, digital image downlink from an infrared camera, and digipeater with JT4G uplink/downlink. It will also provide chances for uploading and testing new waveforms and algorithms for radio communications and measurements in very long distance. Amateur radio orbit determination experiments, for example Very Long Baseline Interferometry (VLBI), are also possible with these links.Harbin Institute of Technology has successfully developed the first lunar amateur radio satellite, Longjiang-2 / DSLWP-B. As a subsequent mission, Lunar OSCAR II will continue offering various resources for communications relay and amateur radio research, and promoting cooperation of amateur radio communities. The Lunar OSCAR II payload will be on board a lunar microsatellite with a volume of about 300x200x100 mm3 and a mass of about 14 kg. Proposing downlinks on UHF for telemetry and images using 250/500 baud GMSK with turbo codes and Digipeater using 4.375 baud $FSK with convolutional coding (JT4G) More info at https://by2hit.github.io/. Planning a launch from Wenchang in 2024. **A downlink on 437.750 MHz has been coordinated**
Application Date: 22 May 2023   Freq coordination completed on 18 Jun 2023

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