IARU Amateur Satellite Frequency Coordination

 
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STECCO Updated: 21 Dec 2020   Responsible Operator Augusto Nascetti IU0NNW
Supporting Organisation Scuola di Ingegneria Aerospaziale  
Contact Person Augusto.nascetti@uniroma1.it.nospam  
Headline Details: A 6P PocketQube. 50x50x300cm. 1 kg. The primary goal of STECCO project is educational, similarly to previous ones developed by SIA in the past (Unisat, Unisat 2, Unisat-3, Unisat-4, Edusat, UniCubeSat GG, Tigrisat). In fact, STECCO was developed by the students of the Special Master of Aerospace Engineering offered by SIA, who designed the satellite structure, implemented the flight software, programmed the mission profile and managed the integration and testing, under the supervision of the professors and researchers at SIA. The satellite will be launched in a sun synchronous orbit with altitude of 550 km and inclination of 98 degrees, which can be easily accessed by radio-amateur all over the world. STECCO has a radioham digipeater which is active by default and can be accessed by any radioamateur. The digipeater function can be occasionally disabled in case of particular situations which could harm the satellite operational life. All the data sent by STECCO are unencrypted and public and the instructions for the interpretation of the raw telemetry data will be given to the radio-amateur community. STECCO aims to the achievement of common goals of enhancing and disseminating scientific culture in general and that of Aerospace Sciences in particular, promoting the interest of new generations in the STEAM (Science, Technology, Engineering, Arts and Mathematics) disciplines as agreed in the Memorandum of Understanding between SIA and AMSAT Italia. Data received by the radio-amateur community around the world will be collected and sorted along with data downloaded by the Ground Station of the School of Aerospace Engineering. All the data will be available for free consultation online and all the contributors will be acknowledged. The data package will include the measurements and the results of some scientific experiments performed on-board STECCO, such as the on-board temperature, the magnetic field and the angular velocity of the satellite about its centre of mass. STECCO is equipped with innovative attitude control devices, aimed at controlling its angular velocity and enhancing gravity gradient stabilization, leading the satellite long axis to align along nadir. Radio-amateur will be capable of monitoring the spacecraft attitude (pointing direction) and see the effect of attitude control on it. In addition STECCO is equipped with two Corner Cube Retroreflectors (CCR) for laser ranging experiments from ground. STECCO has a radioham digipeater which is active by default and can be accessed by any radioamateur. Instructions for the use of the digipeater will be published on the site of the School of Aerospace Engineering.The satellite will reply to an incoming radioamateur packet by resending it to ground using as destination address in the ax.25 header the callsign of the radioamateur that made the uplink. The last radioamateur callsign is also included in the beacon message of the satellite and the list of all the radioamateur callsigns that made an uplink will be stored on board and, once downloaded, it will be published on the same site. The digipeater function can be occasionally disabled in case of particular situations which could harm the satellite operational life. Proposing a UHF 9k6 FSK downlink. Planning a launch in March 2021 from Baikonur into a 550km SSO
Application Date: 15 Dec 2020   Freq coordination completed on

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