teletype network
71Minitrack — The Minitrack Network, was the first U.S. satellite tracking network to become operational, in 1957. It was used to track the flights of Sputnik, Vanguard, Explorer, and other early space efforts. Minitrack was the progenitor of Spacecraft… …
72Canadian Pacific Railway — Infobox SG rail railroad name=Canadian Pacific Railway logo filename=Canadian Pacific Logo 1996.png logo size=162 system map size=300 map caption=Canadian Pacific system map as of 2004 (does not include DM E and IC E trackage). old gauge=… …
73Last mile — The last mile is the final leg of delivering connectivity from a communications provider to a customer. Usually referred to by the telecommunications and cable television industries, it is typically seen as an expensive challenge because fanning… …
74AT&T Corporation — For the 2005 parent company currently known as AT T and formerly Southwestern Bell/ SBC, see AT T. AT T Corp. Type Subsidiary Industry …
751ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
76Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …
77Booting — This article is about bootstrapping operating systems. For the general concept, see Bootstrapping. For other uses, see Booting (disambiguation). In computing, booting (also known as booting up) is a process that begins when a user turns on a… …
78Next Generation 9-1-1 — (abbreviated NG9 1 1) refers to an initiative aimed at updating the 9 1 1 service infrastructure in the United States and Canada to improve public emergency communications services in a wireless mobile society. In addition to calling 9 1 1 from a …
79DATAPAC — was Canada s packet switched X.25 equivalent data network. Operated first by Trans Canada Telephone System[1], then Telecom Canada, then the Stentor Alliance, it finally reverted to Bell Canada when the Stentor Alliance was dissolved.[2] Contents …
80KDKA (AM) — KDKA City of license Pittsburgh, Pennsylvania Broadcast area Western Pennsylvania Branding Newsradio 1020 KDKA Slogan The Vo …
