NEC supplied KDD with submarine cable systems for laying in the Pacific Ocean in 1964. They supplied short-haul 24 channel PCM carrier transmission equipment to NTT in 1965. NEC de Mexico, S. A. de C. V., NEC do Brasil, S. A., NEC Australia Pty. Ltd. were established between 1968 and 1969. NEC supplied Comsat Corporation with the SPADE satellite communications system in 1971. In 1972, Switzerland ordered a NEC satellite communications earth station. The same year, a small transportable satellite communications earth station was set up in China. Shares of NEC common stock were listed on the Amsterdam Stock Exchange in 1973. NEC also designed an automated broadcasting system for the Japan Broadcasting Corporation the same year. NEC Electronics (Europe) GmbH was also established. In 1974, the ACOS series computer was introduced. The New Central Research Laboratories were completed in 1975. In 1977, Japan's National Space Development Agency launched the NEC geostationary meteorological satellite, named Himawari.