. Activities Hamfests are events organized by amateur radio enthusiasts, for social gathering and promotion of the amateur radio hobby. Typically annual or semiannual events held over a weekend, they can last from several hours to several days. Most feature a flea market where the attendees buy and sell radio and related equipment. The equipment found at a hamfest can vary significantly from the newest high-tech gear to used, refurbished, or even antique equipment, and haggling or bargaining is… (More on Hamfest)