The Secondary Electrical Power System of Smog-1 PocketQube

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Dudás Levente
Department of Broadband Infocommunications and Electromagnetic Theory

The topic of my paper is the design and construction of the central electrical power system and experimental dosimeter of the SMOG-1 PocketQube class satellite.

For the first time in human history the objective of our satellite is to examine the terrestrial electromagnetic radiation in the frequency band of television broadcasting (470 - 860 MHz). According to our preliminary high-altitude balloon experiments a significant amount of uncharted radiation was leaving our planet, which contributes, to the so-called “electrosmog” in space. Our results will be able to be utilized in the future to minimize this wasted power in antenna designs.

SMOG―1 is a PocketQube class (50×50×50 mm) small observation satellite, which is being designed and built by the students and lecturers of the Budapest University of Technology and Economics and experts, similarly to how MASAT―1 was conceived and constructed. A PocketQube class satellite means a new record for humanity, in the sense that for the first time we could say that we have created an active device operating in space that actually fits a jacket pocket.

The electrical power systems (EPS) of satellites have a crucial role in their lives, since their power source (except for a very few spacecrafts) is restricted to the energy of incoming sunlight. This limited power must be used to cover the energy requirements of all on-board components, instruments and control circuits, so it is essential to maximize the efficiency of all power systems.

Aside from the primary sensors there is going to be an additional instrument on board our new satellite, which will be able to enable the monitoring of the dose of background ionizing radiation that hits spacecrafts. In this paper I'm also going to go into the details of the dosimeter besides the electrical power system.


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