👷 🚧 👷 🚧 👷 🚧 👷 🚧 👷 🚧 👷 🚧 👷 🚧 👷 🚧 👷 🚧 


WIP

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As a field research assignment, we are collaborating with the Dwingeloo Radio Observatory, which consists of a 25m dish in diameter. The observatory works in radio astronomy, where space is studied, mapped, and used as a field for communication. The moon is often used as a reflector for radio amateurs to bounce radio signals off, so they can reach other distant dishes.

           

While looking at the available data published by the observatory on their website, I took a particular interest in the visual aspect of waterfall data, which is a visual representation of the intensity of different frequencies through time captured by the dish. I translated those graphics into usable data that could be sent in real-time to an Arduino.


Coming back to the observatory and talking to the volunteers resulted in interesting creative conversations on how to orient the translated data into the medium of water. The idea evolved a bit but stayed focused on EME signals captured from the moon, which consist of 1-minute transmissions from radio amateurs communicating and sharing reports of each other’s signal quality. The idea that those communications are open to decode by any dish when pointed at the moon and listening to the right frequency made a connection to eavesdropping. My first prototype now consists of a dish-like metal fountain that coincidentally follows the same design principles as a Cassegrain dish. The data of these transmissions are translated into different water dispensers.


: audio recordings given to me of those EME communication signals

                   

: arduino, metal, water pumps, WSJT-X

https://www.camras.nl/
http://websdr.camras.nl:8901/


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In parallel of my assignments, I enjoy spending my time on 2 new speaker sculptures. I find the task to work on a product quite challenging as I’m confronted with specific issues that would normally be ignored in my school projects. I’m learning that building and optimising a system requires a lot of care and definitely more electronical understanding than I started with. These objects are results of my progress in electronic circuits and I’m finding myself being very intrigued and invested into understanding and trying out more complex circuits. 


(ground loops are my enemy)


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With time I start to collect a lot of different components that are left untouched in my workspace. Instead of finding practical applications to these modules, I want to highlight them outside of their application. Here, I have this 16-channel relay module, I use relays across most of my projects and I’ve always liked the clicking sound they make when switched on. I’m taking advantage of the 16 channels as a way to create rythms, the sound and light produced by the board turns it into a thing on its own that escapes its practical purpose. 
I am now working on a casing / backside that would make this setup wall mountable. The wooden board here only serves as a background for these pictures, I’m more inclined to work with metal in this case. 




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