IARU Amateur Satellite Frequency Coordination

 
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Coconut Updated: 23 Jul 2025   Responsible Operator Tyler Nielsen KK7LTW
Supporting Organisation Arizona State University  
Contact Person tmniels3@asu.edu.nospam  
Headline Details: A 1U CubeSat. The primary mission of Coconut is to provide a digipeater service for amateurs using inexpensive, low powered LoRa Modules. This will allow students at ASU and other amateur radio users to interact using inexpensive ground nodes. Coconut is being built 100% by students. it is a proof of concept that demonstrates the capabilities of students to build their own CubeSat. In addition, we will host a store and forward experiment, whereby amateurs can register on our project website, and then have data that they uplink, again using LoRa, captured at our ground station, and then forwarded by means of their choice to the specified recipient. The mission is oriented to students to engage in hands-on learning and experience with spacecraft hardware and radio transmission. It also will allow hams worldwide to utilize a standard digipeater function for the entire lifetime of the satellite, as well as give them the opportunity to participate in a store and forward experiment. Proposing a UHF downlink using LoRa at 21900 bps. Planning a Northrop Grumman launch to the ISS in Q1 2026. More info at https://students.engineering.asu.edu/clubs/sdsl/
Application Date: 23 Jul 2025   Freq coordination completed on

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