IARU Amateur Satellite Frequency Coordination

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Parikshit Updated: 04 Oct 2015   Responsible Operator MIT HAM Club VU2MHC
Supporting Organisation Manipal Institute of Technology  
Contact Person vu2mhc.mit@gmail.com.nospam  
Headline Details: The PARIKSHIT nano satellite team is planned to carry out two major missions during its lifetime. • The first and primary payload is thermal imaging .We will be taking pictures of earth in the Long wave infrared region band. This corresponds to the wavelength range of 7.5 to 13.5 microns. The region of interest will be the indian subcontinent. The device used for this purpose is an uncooled microbolometer thermal camera supplied by FLIR Inc The proposed applications for this payload are, • To study the ocean surface temperature variation by analyzing the temperature difference over a period of 6 months. • To observe the cloud cover and study the temperature variation for different types of clouds with climatic changes. • To observe the temperature variations between the urban and rural areas of the Indian subcontinent which are caused due to greenhouse gases accumulated in the urban areas. • The secondary payload of the space station which shall be activated only after the mission life ends is an Electrodynamic Tether for the purpose of deorbiting of the satellite. . This is an experimental payload which would demonstrate successful removal of space junk and thus avoid accumulation of debris. An electro-dynamic tether consists of a conducting wire, dragged through a magnetic field. This will induce voltage across the tether, with positive at high end, and thus try to drive a current up the tether. This results in a drag force against the direction of propogation due to which the satellite will lose its altitude. Gradually it would enter the atmosphere and get burnt. The material for the tether is Aracon. This Aracon tether will be ejected from the Satellite using a spring mechanism from the deployment window after the satellite mission ends. Parikshit is a 2U CubeSat and is planning a VHF CW beacon and a UHF telemetry transmitter using 2k4 FSK based on a CC1101 transceiver IC. Scheduled for launch into a SSO in 2016 from the Satish Dhawan Space Centre. More info from http://manipal.edu/mit.html and http://1drv.ms/1GoUhaI ** Downlinks for the Payload on 437,800 MHz and for a beacon on 145,890 MHz have been coordinated**
Application Date: 11 Dec 2014   Freq coordination completed on 04 Oct 2015

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