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DIY Hydrogen Line Radio Astronomy

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Come see how easily obtainable materials can be used to build a radio telescope capable of observing 21cm/1420MHz Hydrogen Line radio signals naturally emitted by the Milky Way!

Participants will meet outside at the Switchyard Park Shelter, so please dress accordingly.

For ages 8+. Children under 12 need to be accompanied by a registered adult.

Cost: FREE

To make sure we prepare enough materials for this program, we ask that all participants PLEASE REGISTER by March 3rd. You can do so by following the link on this page or by calling the Parks & Rec Dept directly. Thank you!

Check out our website at for scheduling updates.

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