开云体育

Hello,?

I was encouraged to post my hobby on this forum.

I was inspired by the work of Alex Pettit - Umbrella Antennas:?

Here attached a Portable Mini Umbrella Hat Radio Telescope - it succeeded in detecting 21cm signals from our Milky Way!

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I hope you will find it interesting!

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S. Asayama

Hi,

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The telescope was just a joke.
However, with a valuable suggestion from Alex P,

the funny radio telescope shows a better performance than I thought.

So I made a series of galactic plane observations and delivered the galactic rotation curve of our Milky Way.
This is just a rough experiment for demonstration, however, it could be useful for students to enjoy handmade radio telescope exercises without special skills and tools!