"QSL cards confirm either a two-way radiocommunication between two amateur radio stations or a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station. They can also confirm the reception of a two-way radiocommunication by a third party listener. A typical QSL card is the same size and made from the same material as a typical postcard, and most are sent through the mail as such." Here's a substantial collection of them.
"Jack FM" is taking over at radio stations across the country (and Canadia, too). They say they're just "playing what they want," but isn't it just another case of corporate appropriation of the ideas of independence and rebellion?