SMUGGLING RADIOS BY BALLOON

I happened to hear Paul Harvey's radio program today and he said that the South Koreans have started a project to send outlawed radios to North Korea by ballooning them across the Demilitarized Zone. Since Paul Harvey is not usually considered to be a purveyor of bum dope, I believe what he says about this balloon scheme. What I also believe is that this method of smuggling contraband probably enjoys a very low success rate.