IARU Amateur Satellite Frequency Coordination

 
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Grizu-263A Updated: 27 Oct 2020   Responsible Operator Durdali Atilgan TA4AXT
Supporting Organisation Zonguldak Bülent Ecevit University  
Contact Person durdaliatilgan@hotmail.com.nospam  
Headline Details: This mission was originally submitted on 13/05/2020. A revised request was received on 12/10/2020. The pocketqube satellite Grizu-263A, 5x5x5 cm in size and 250 grams in weight, product by the Grizu-263 Space Team (Radio Amateur Students of University) of Zonguldak Bülent Ecevit University, is monitored by Turkish Amateur Satellite Technologies Organization (AMSAT-TR) The team has a hamradio trainee group supervised by expert amateur radio operators call signs TA4AXT, TA2RMU, TA2RTO and TA2RCK. And this group of amateurs decided to design and implement a satellite that will handle basic capabilities and operations. Grizu-263A (YM2VRZ callsign) will be placed in Low Earth Orbit (LEO) with SpaceX Falcon 9 rocket through Alba Orbital and Momentus companies in December 2020. In addition, this satellite has a system that will repeat the incoming data that will serve amateurs. The DIGIPEATING MODE on the satellite will allow forwarding of received messages back to earth to support communication and messaging between radio amateurs (Digital QSOs). The telemetry information will be shared to all radio amateurs and networks before launch. Analysis of the ADCS system operating status and the efficiency of the power system with data from the IMU sensor. We anticipate that amateurs can work on receiving telemetry data and sending telecoms over this satellite and analyzing doppler effects in this regard. There is only one command to be uplinked to turn off the satellite if needed. In addition, this satellite has a system that will repeat the incoming data that will serve amateurs. The DIGIPEATING MODE on the satellite will allow forwarding of received messages back to earth to support communication and messaging between radio amateurs (Digital QSOs). The telemetry information will be shared to all radio amateurs and networks before launch. 4 of the students who built the satellite have already their amateur licence received during the course of the Project. NAME Call Sign Class 1. Durdali Atılgan TA4AXT A (main responsible of the ground station) 2. Mahmut Eğriöz TA2RMU A 3. Çağrı Karaduman TA2RCK A 4. Osman Turgut TA2RTO A Other students have been encouraged to apply for such a licence, as well. Proposing a UHF downlink using 4k8 FSK. Planning a SpaceX launch from Vandenberg into a 500 600 km SSO in December 2020. More info at https://w3.beun.edu.tr/ **A downlink on 437.190 MHz has been coordinated**
Application Date: 12 Oct 2020   Freq coordination completed on 27 Oct 2020

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