Are These Radio Stations Sending Secret Government Messages? | Number Stations

Since World War I, there have existed shortwave radio stations that send out strange communications, usually vocalized numbers. Their purpose remains unclear, though it is widely believed that governments use them to communicate with undercover spies. Today, we dive into the fact and fiction that surround the enigmatic existence of Number Stations. Sponsored by Upside (download the Upside app for free and use code REDWEB to get an extra 25 cents back for every gallon on your first tank of gas).