video thumbnail 13:48
How to Build a Radio Telescope (See Satellites 35,000km Away!)

2017-03-20

[public] 417K views, 14.8K likes, 329 dislikes audio only

Over the last 2 months me and my friend Artem (you met him in the last video) built our first radio telescope. It was built mostly out of off the shelf components, like a satellite dish and Ku band LNB, as well as some parts we 3d printed. When all was said and done we had a system that could not only take images of the sky in radip frequencies (in this case 10-12ghz), but could also be used to track satellites. With it, we were able to see the ring of satellites in geosynchronous orbit, over 35,000km away, This is only the first of what I suspect will be many more telescopes like this. Next time we'll be building ones that are far larger and can see things like the hydrogen lines so we can image the milky way.

Follow up video:

Pulling images from satellites - /youtube/video/cjClTnZ4Xh4

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Artems work:

Youtube (theartlav): https://www.youtube.com/user/val3tra

Sound camera: https://www.ribbonfarm.com/2016/06/29/the-daredevil-camera/

Thermal camera made from heat seeking missile parts: https://www.ribbonfarm.com/2016/05/12/artem-vs-predator/

Other awesome stuff: http://orbides.org/

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How to Pull Images from Satellites in Orbit (NOAA 15,18,19 and METEOR M2) by The Thought Emporium
/youtube/video/cjClTnZ4Xh4
transfer the vertical rotation into horizontal rotation
/youtube/video/aeah3fFYlnA?t=321.37
build the frame of the telescope for the base
/youtube/video/aeah3fFYlnA?t=334.63
printed a one millimeter thick cylinder
/youtube/video/aeah3fFYlnA?t=402.42999
reduce friction at the bottom of the wooden pole
/youtube/video/aeah3fFYlnA?t=429.32999
remove the small piezo speaker
/youtube/video/aeah3fFYlnA?t=530.69
attached by a couple of screws through the base of the dish
/youtube/video/aeah3fFYlnA?t=587
move the main pensioners off the wood reel
/youtube/video/aeah3fFYlnA?t=610.44