BY1PK China Bob, N4IA had the honor of being only the second US citizen to operate from China.  This took place in Beijing using the call of BY1PK in 1983.  In 1986 Bob returned to China and operated station BY4RN from Nanjing. Over the years Bob operated as UK75SW in 1975, VK2MZ in 1948, 4U1ITU in 1979 & KG4AN in 1972.  Bob personally met RAEM (Ernst Krenkel) in Moscow in 1971!!! Here is an "eyeball" QSL signed by RAEM and a photo of the two of us from 1971: