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NETWORKS Nordic packet switched network. The Nordic PTTs have established a packet‐switching service with nodes in Stockholm (Databas 300/1200) and Oslo (Norpak). Multiplexors in Copenhagen and Helsinki are connected to Databas 300/1200 and connections are also possible to North America using the Swedish node. The previous SCANNET node computers now function as front‐end processors. Authorization to use SCANNET is given by the various Scandinavian PTTs and a new logon procedure is employed. The tariffs are composed of four parts — an initial charge for new users; a quarterly charge; a connection per minute charge; and a charge for the transmission of 10 segments.