QUBE

Quantum Key Distribution Experiments using an optical downlink system. Downlink of strongly attenuated light pulses, with encoded quantum information, which can be used for the exchange of encryption keys. A miniaturized quantum random number generator (QRNG) will create a sequence of numbers, which can be used to set the quantum states of the light. Additionally, QUBE will be using a UHF radio for TM/TC as well as for amateur radio experiments and amateur radio education. After the scientific mission has been completed, a digipeater service on board the satellite will be activated, which is open to all radio amateurs. Operational Frequency Band: 435-438 MHZ 5.5 Explain in plain text how your mission(s) complies with provisions QUBE will enable amateur radio communication experiments for our students in Würzburg as well as for the amateur radio community around the world. We have specifically designed a novel UHF antenna that will enable reliable uplink and downlink. The digipeater functionality will be switched on after LEOP. This will allow anyone with the correct equipment to communicate with the satellite individually and allow for testing of amateur radio equipment with an object out in space. Specifically, the challenge of overcoming noise, low power signals and doppler shifts are of particular interest to radio enthusiasts. Our goal is to increase awareness of the amateur radio community and to give everyone the chance to talk to our satellite. During the study courses at the University of Würzburg, special classes will be held in order to prepare new students for the amateur radio exams and for hands-on experience in communicating over long distances. All telemetry and all beacons from the satellite will be receivable by amateur radio and a context of the transmitted data will be provided. Thus, life parameters, such as battery levels and operational temperatures, can be seen by anyone interested. In addition to that, new and exciting data from the quantum payloads as well as our raspberry pie will be transmitted and become available to radio amateurs.

• nanosats.eu
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