Simple Ham Radio Antennas

Of the many sub-hobbies tied to Amateur Radio, none can compare to the allure of deep space radio signals. In this video from the Society of Amateur Radio Astronomers, Alex Pettit (KK4VB) shows you how to design, build, and use a "21cm Hydrogen 1 meter Umbrella Radio Telescope." Alex describes the project step-by-step and provides a list of commonly available materials to build your own radio telescope. If you can't see the video, please insert this title URL into your browser search box:   https://www.youtube.com/watch?v=ymclkNnCeCc. Here are some comments from Alex: SARA: www.radio-astronomy.org Here is a Shopping List. Unlined photo reflectors are preferred https://www.amazon.com/Westcott-2005-... Cake Pan 6" dia 2" deep heavy aluminum https://www.amazon.com/Parrishs-Magic... SMA to F adapter https://www.amazon.com/BOOBRIE-Antenn... Faraday Fabric https://www.amazon.com/gp/product/B0B... For mounting feed to umbrella shaft Washers ( glue to tube &a