You might think ham radio is a niche hobby, but official figures suggest that it has a huge following in the US. According to the National Association of Amateur Radio, there are 757,638 amateur radio enthusiasts in the United States alone. However, mainstream media outlets do not reflect the huge following ham radio has, and its overall impact. This is where the web has stepped in; over the past few years, ham radio operators have found a growing audience through online streaming, tying in with the growing trend for retro gaming.