TECHNOLOGY & TELECOMMUNICATIONS

AirTouch, Southwestern Bell Join Cellular Venture: The companies said they are the main foreign investors in a consortium that will build the second cellular telephone system in South Korea. San Francisco-based AirTouch Communications said it was selected as the operating partner in charge of the consortium, to be called Shinsegi Mobile Communications Co. AirTouch, formerly PacTel Corp., will have a 10% stake in the venture, followed by San Antonio-based Southwestern Bell Corp., with 7%. The other foreign partners are expected to be Stamford, Conn.-based GTE Corp., with rights to a 4% stake, and San Diego-based Qualcomm Inc., which was awarded 1.2%.