TECHNOLOGY 7887 kHz, Your Home for Classic Cuban Espionage Radio The shortwave radio signals that the alleged Russian spies were using are still surprisingly effective. By Brett Sokol Posted Tuesday, July 6, 2010, at 1:53 PM ET The FBI documents that accompanied last week's arrest of 10 alleged Russian spies are alternately creepy—who knew the Tribeca Barnes & Noble was a hotbed of espionage?—and comical—turns out even foreign spies wanted to cash in on suburban New Jersey's real estate boom. With a nod to Boris and Natasha, the accused are also said to have used short-wave radio, a 1920s-era technology...