IARU Amateur Satellite Frequency Coordination

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AESP14 Updated: 09 Jun 2014   Responsible Operator Douglas Santos PY2DGS
Supporting Organisation Technological Institute of Aeronautics – ITA  
Contact Person dsoares@ita.br.nospam  
Headline Details: The AESP14 CubeSat space station communication subsystem will make the radio down and up data links with the CubeSat ground stations in Santa Maria and DCTA-ITA. The Santa Maria and DCTA-ITA CubeSats small satellite communication ground stations is specifically designed for small satellites in Low Earth Orbit – LEO using radio amateur frequencies, such as CubeSats for use in university environments, as UFSM, ITA and INPE in Brazil. It is a compact turnkey setup, designed for Leo tracking applications, and Global Educational Network for Satellite Operations (GENSO) initiative ready, and is a full Azimuth and Elevation tracking station. The AESP14 CubeSat development Project, consists of an ITA-INPE Capacity Building Integrated Program on space science, engineering and computing sciences for the development of space technologies through a CubeSat satellite, involves the students and professors of Aerospace Engineering from ITA, and of the institutions involved as INPE. The Capacity Building Program was conceived at the Integration and Tests Laboratory (LIT) from the Brazilian National Institute for Space Research – INPE/MCT, by Dr. Geilson Loureiro, who is the Mission’s General Manager and PI, who initiated the Aerospace Engineering course at ITA1, the course allow the students to experience all stages of a satellite life cycle, from mission definition, through systems architecting, hardware construction and software coding, assembly, integration and testing, launching and operations. The AESP14 concept was developed to: i) Investigate the generation mechanism of the equatorial plasma bubbles (also known as equatorial spread F) through the measurement of their occurrence and distribution characteristics on a global scale and as a function of local time, season and the ambient ionospheric conditions. Special attention will be given to the Brazilian longitude sector where their occurrence is known to be more frequent and intense as compared to other longitudes. And ii) The in situ measurement of the plasma parameters to: Observation of dynamic and electrodynamic processes associated with plasma bubbles (Fig. 1), Study of the plasma instability processes, Measurement of the ambient ionospheric plasma parameters for providing a wider data base, To make a critical study of problems known to be associated with some of the plasma measurement techniques. The AESP14 satellite, is a scientific and technological cooperation basically between the ITA with the LIT – INPE-MCT and other departments from the INPE, in São José dos Campos, São Paulo, Brazil. The development of technologies, scientific instrumentation, manufacturing, qualification, launch of the satellite, study of collected data and post analyzes of the AESP14 Project will provide for the Brazilian institutions technical and scientific base for the development and manufacturing of this satellites class and associated sensors. The payload instrument of the AESP14 consists of: A Langmuir Probe (LP) for measurement of electron density and temperature of the plasma ionospheric, Fig. 3. The payload, Langmuir Probe (LP), will be developed in the department at Space and Atmospheric Sciences of INPE (CEA/INPE). A 1U CubeSat proposing to transmit on 70cms using 9k6 GMSK or BPSK AX25. No launch has yet been defined.** A downlink frequency of 437.600MHz has been coordinated**
Application Date: 10 Aug 2013   Freq coordination completed on 09 Jun 2014

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