IARU Amateur Satellite Frequency Coordination

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CXBN-2 Updated: 11 Aug 2016   Responsible Operator Benjamin Malphrus KJ4HVE
Supporting Organisation Morehead State University Space Science Center  
Contact Person b.malphrus@moreheadstate.edu.nospam  
Headline Details: The Cosmic X-Ray Background Nanosatellite-2 (CXBN-2) is a 2U CubeSat mission (a follow-on to CXBN-1) designed to make observations of the diffuse X-ray background. The science goal is to increase the precision of measurements of the Cosmic X-Ray Background in the 30-50 keV range top a precision of <5%, thereby constraining models that attempt to explain the relative contribution of proposed sources lending insight into the underlying physics of the early universe. The data will help to better define the source of the background high energy X-ray emission. The mission will include an education and public outreach component that will allow licensed amateur radio operators to utilize the CubeSat in a variety of ways. The beacon will broadcast basic telemetry packets using AX.25 protocol. The program also has an education and public outreach component based on having amateur radio operators work with pre-college students to track the satellite and decode the beacon using mobile satellite down-link kits that Morehead State University has in hand (10 kits currently in the inventory). Additionally, the project provides a learning experience for numerous undergraduate students to learn radio techniques, Specifically, these include: • communication protocols • attitude determination methods • command and control procedures • receivers, transmitters, and transponders • antenna theory and design • sensors to study spacecraft performance • telemetry protocols • power controls and supplies for use in space • spacecraft computer architecture and programming • ground operations All student operators and engineering team members are required to obtain an individual amateur radio operators license.Proposing UHF downlink using 9k6or 28k4 GFSK. More info at https://www.dropbox.com/sh/g97v0x5ay5gbqn1/AADeh1md3Y0FnUelQB-MVwAca?dl=0 Launch is currently targeted for December 31, 2016 from the ISS. **A downlink 437.075 MHz has been coordinated**
Application Date: 15 Jul 2016   Freq coordination completed on 11 Aug 2016

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