IARU Amateur Satellite Frequency Coordination

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TRSI Updated: 20 Nov 2018   Responsible Operator Paul Kocyla DL1UAC
Supporting Organisation TRSI Club  
Contact Person info@pk-remote.com.nospam  
Headline Details: TRSI is a PocketQube for technology demostration. Its main objective is to show which functionality can be achieved with dimensions of 5cm x 5cm x 5cm. TRSI does not offer any commercial service. It carries two experiments that are connected to amateur-satellite service. First is a waterfall experiment which will show an image in the waterfall diagram by hopping the frequency within its transmission band (image-type beacon). We will try correlation algorithms on this signal to find out if we can detect it under weak signal conditions. The second experiment is to analyze RF reception capabilities from LEO with a novel detector receiver and a small patch antenna. It was designed to test if small satellite receivers which don´t need deployable antennas are feasible. The received signal´s envelope will be sampled and forwarded using UHF in MFSK for signal analysis (band 437-438 MHz, bandwidth ca. 6 kHz) During the experiment phase the satellite will also perform as an amateur CW repeater, providing additional RX strength indication; eg CW morse signals will be re-sent in MFSK, showing the RX amplitude in dBm.Planning a 50km SSO launch from New Zealand in April 2019 together with ATL1, SMOG-P, Discovery and Photos to Space. ** A downlink on 437.075 MHz has been coordinated**
Application Date: 19 Oct 2018   Freq coordination completed on 19 Nov 2018

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