60年前的那场开国大典,他负责扩音设备的安装和监护在北平周边几个电台都工作过的电波技术人员徐树滋,从1948年起,就协助北平地下党开展过一系列传递情报和保护电台的工作。1949年1月31日随军管小组接管北平广播电台后,他就从京郊的北平电波研究所回到城里,在西长安街上“北平新华广播电台”的机关里工作了。当时中国 The founding ceremony 60 years ago, he was responsible for the installation of loudspeaker equipment and monitoring of several radio stations around Beijing in the vicinity of the radio technician Xu Shizi, since 1948, to assist the Peiping underground party conducted a series of intelligence transfer and Protect the radio’s work. After the military control team took over Beiping radio station on January 31, 1949, he returned to the city from the Beiping Radio Research Institute in the suburbs of Beijing and worked on the “Beiping Xinhua Broadcasting Station” on the Chang’an Avenue in the west. China at that time