Propuesta de una metodología de ajuste de redes gravimétricas. Estudio de caso zona norte de Colombia.
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Gravimetry in Colombia has developed since the middle of the last century, its advances have been realized by the need to be a necessary input to determine a vertical reference system for the country, its development has been mainly driven by the Agustín Codazzi Geographic Institute and That this is the authority in charge of its updating and data collection. The present paper will show a methodology of adjustment of a gravimetric red of order 3, with data taken on the leveling lines of the north zone of the country obtained the readings of value of relative gravity, this methodology will be supported with an application of elaboration Which has as main objective the comparison with the data and adjusted by the Geographic Institute Agustín Codigos with the program officially used by the internal working group GIT Geodesia (GRAVNETG), because there is no documentation of its implementation, By What is necessary to optimize the work in the area of this group of the institution, to document and to follow up the adjustment process. The content of the work will consist of an analysis and processing of the data obtained in the field, to then check their inconsistencies and be eliminated to avoid noise in the calculation, for the instrumental corrections and the conversion to the gravity values Miligales) To have the initial values of gravity that by means of the least squares were adjusted thus achieving to minimize errors.