IARU Amateur Satellite Frequency Coordination

 
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WildrackCube-SIMBA Updated: 04 Feb 2021   Responsible Operator Fabio Santoni IU0MFM
Supporting Organisation DIAEE Sapienza University of Rome  
Contact Person fabio.santoni@uniroma1.it.nospam  
Headline Details: A 1U CubeSat mission. The mission is designed and developed by students of Sapienza University of Rome, University of Nairobi and Machakos University, both regarding the space and the ground segment. Students are involved in all the aspects of the satellite development and during all the phases of the mission. The satellite shares the same bus and software as 1KUNS-PF, a 1U CubeSat developed by the same universities in a joint Italian-Kenyan collaboration. 1KUNS-PF was deployed in 2018 and has now deorbited after a successful mission. The main payloads and missions are: - Two cameras to shoot picture of the Earth; - A bespoke digipeater system with both real tile and “store & forward” capabilities for radio-amateur use; the radio-amateur user can define the delay in the retransmission of the message in a range of 0sec to 24hours. - An innovative technology to track wild-life on ground via nano-satellite platforms; - Testing the on-board hardware by gathering and downlinking telemetry. The cameras are 5MP module that will shoot periodic pictures of the Earth and will downlink them during ground station passages in clear. The images are alike those of 1KUNS-PF, but higher resolution and with a tighter field of view (25deg) - with the objective of gathering more details of the surface. The radio-amateur community is free and welcomed in downloading the images as was with 1KUNS-PF. The telemetry as well will be downlinked periodically with public formats and will provide a clear picture of the behavior of the hardware in the space environment. At the same time, WildTrackCube-SIMBA aims at demonstrating a spaceborne method for improving the monitoring of the wildlife behavior in the Kenyan National Parks. The satellite is equipping innovative spread-spectrum modulation receiving equipment in order to receive data from radio tags installed on various wildlife species (ideally from birds to large mammals) in the National Parks of Kenya. The system is addressed at acquiring both positioning (Global Positioning System, GPS) and health data from the animals. The data is transmitted in clear form with public formats. The educational return of the mission for the students involve will focus on ground-to-satellite low-power data links, on the development and management of a radio-tag system able to uplink data to a satellite, to the manufacturing and operations of a University class nano-satellite. The "Store and Forward" system is the same that will be used in the GreenCube mission, which will fly at a higher altitude (6000km). Radio-amateurs can use this system to send and receive packets during the visibility time of the spacecraft, as well as delaying packets to send them at a later time on another location along the orbit. This telecommand system can be also used by radio-amateurs to request by radio command that one of the cameras take a picture and downlink it immediately over their location. A user could send a packet which is a request for the onboard camera to take a photo over their QTH. The photo could be downlinked and decoded much like the NOAA weather satellites are, through a distributed ground station network like SATNOGS. Proposing a UHF downlink using GMSL at 1k2 or 9k6. Planning a launch from Baikonur on March 21st 2021 to a 550km SSO with CubeSX-HSE(RS13S), CubeSX-Sirius-HSE(RS14S), ORBICRAFT-ZORKIY(RS15S) and others.
Application Date: 04 Feb 2021   Freq coordination completed on

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