During World War II, GIs in the field built really amazing simple radios to listen too. These were made with materials that they could get their hands on and were small enough to carry around in a big pocket. You can modify this design if you want to set it up so that it's tuneable too! To see all the plans, go to makezine dot com slash podcast!
Find more at the Maker Shed: https://makershed.com
Make: Electronics, 3rd Edition: https://www.makershed.com/products/ma...

Learn more here:
https://cdn.makezine.com/make/wp_foxh...