The ability of an inductor to store energy in the form of a magnetic field (and consequently to oppose changes in current) is called inductance. It is measured in the unit of the Henry (H). Inductors used to be commonly known by another term: choke.
Working for CGS means collaborating with a world-class team of experts and some of the most dynamic organizations around the globe. At CGS, our trademark is our entrepreneurial spirit. Founded in 1984 in New York City with a team of 5 people, CGS has steadily grown to now employ over 7500 professionals across North America, Latin America, Europe and Asia.
The first truly operational GIS appeared in Ottawa, Ontario in 1962 and was developed by Roger Tomlinson of Canada's Department of Forestry and Rural Development in an effort to use map overlays for analysis of various areas in Canada. 1  This early version was called CGIS.