Amateur satellite antennas

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Satellite Antenna Tips

The main one was: What could South Africa offer young people, aged between 16 and 25, coming from all over Europe and Africa that was different and something they had not experienced before? The ultimate decision for the South African host team, under the leadership of South African Radio League SARL president, Nico van Rensburg, turned out to be an easy one: build a number of pseudo CubeSats and launch them into near space on a high-altitude balloon. It was a great idea but in a short period of time a lot of water had to flow under the bridge, including designing a portable antenna that could be used to track the balloon. The Makerspace group, BinarySpace, 3D printed components to make up space frames and a number of volunteers guided the young people, assembled in five teams, through the process of designing the payload with a number of sensors and the software required to encode and decode the output of the sensors. The antenna had to be portable and be able to be taken apart so that it could be packed in their luggage when flying home.
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M2 Antennas

Years of home brewing has taught me how to do and not to do a lot of things properly. Here are some tips I learned that may be of help with the most important part of an amateur radio satellite station, the antenna systems. Materials to build satellite antennas can sometimes be found among junk most people would throw away. Four wire clothes hangers became the radials.
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The driven element is sized for 2 metres. It was developed for YOTA where young people successfully used the antenna operating satellites using hand-held transceivers. A choke around the boom was added to isolate the antenna from the coax and reduce the effect human contact has on the antenna. A handle was added on the boom end which makes it more comfortable to hold and further isolates the antenna from the handler. The antenna is plug and play.