IARU Amateur Satellite Frequency Coordination

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ORCASat Updated: 25 Aug 2022   Responsible Operator Peter Driessen VE7AB
Supporting Organisation University of Victoria  
Contact Person peter@ece.uvic.ca.nospam  
Headline Details: A 2U CubeSat. Primary mission: The primary mission of ORCASat is student education and highly qualified personnel training in aerospace engineering through having university students at the undergraduate and graduate level undertake a real life satellite mission. Secondary mission: The purpose of the secondary mission is to provide requirements and constraints to the construction of ORCASat, and expose students to the process of designing a satellite meeting them. This makes the primary mission a much more valuable learning experience by making the project resemble what is done in industry. The secondary mission is an optical calibration light source in low Earth orbit that will be used by research and educational groups to calibrate ground based optical telescopes. Calibration of these telescopes will be used to remove uncertainties on photometric measurements caused by the attenuation of the Earth atmosphere. By placing a known light source above the atmosphere, information about the light source can be downlinked to the telescope as seen from the satellite and compared to the telescopic measurements. This has the potential to decrease the uncertainties on the measurements taken by ground positioned telescopes by an order of magnitude. Proposing UHF downlink using 2-ary FSK with 10.17 kbit/s data rate, 6.18 kHz deviation, and data whitening using the PN9 sequence. Planning a NanoRacks deployment from the ISS in Q4 2022. More info at https://www.orcasat.ca/. **A downlink on 437.060 MHz has been coordinated**
Application Date: 23 Jul 2020   Freq coordination completed on 09 Mar 2021

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