Harry introduces us to the mysterious numbers stations and their eerie broadcasts. Then Carly takes things back in time to one of the first widely reported UFO sightings and abductions. 

To listen to a collection of numbers stations recordings: https://archive.org/details/ird059/tcp_d1_01_the_swedish_rhapsody_irdial.mp3

To learn more about cryptography and one-time-pads: http://users.telenet.be/d.rijmenants/en/onetimepad.htm

https://www.knownunknownspodcast.com/