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The Beijing Meteorological Bureau is the first user for SAFIR3000 (a lightning location system), which imposes very high equirement on real time transmission. There are certain difference for domestic and international communication service; thus, to choose an appropriate communication mode for the application of the lightning location system is very important. There are many kinds of communication modes in use presently, including special line, VPN, and Internet access, which are effective approaches to the realtime collection of meteorological data. The Internet communication mode is discussed, whtich is adopted in the lightning location system of the Beijing Meteorological Bureau.