Inertial Measurements for National Control

des Instituts für Geodäsie

Heft 20-1/1985

Inertial Measurements for National Control

Geodetic Survey of Canada, Ottawa


In: WELSCH, Walter M. / LAPINE, Lewis A. (Hrsg.) [1985]:
International Federation of Surveyors - FIG -
Proceedings Inertial, Doppler and GPS Measurements for National and Engineering Surveys
Joint Meeting of Study Groups 5B and 5C, July 1-3, 1985

Schriftenreihe Universitärer Studiengang Vermessungswesen, Universität der Bundeswehr München, Heft 20-1, Neubiberg, S. 71-88.


The Canadian Geodetic Survey (CGS), a division of the Surveys and Mapping Branch, Department of Energy, Mines and Resources, acquired its first inertial system, a Litton Auto Surveyor System, in late 1975. For the past ten years, CGS has been using inertial equipment to establish some 8000 multi-purpose control stations in Canada. This control serves as secondary densification to the Canadian primary framework, as control for national mapping programs, and as control for cadastral, legal and a variety of other surveys. This paper reviews the resources and activities involved in the establishment of this control. In addition, problems related to the inclusion of these surveys into the new national datum are considered, and preliminary results are presented of tests of the new Litton DASH II system.

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