2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47655Precision measurements of electroweak observables provide stringent tests of the Standard Model structure and an accurate determination of its parameters. A brief overview of the present experimental status is presented. A more extensive discussion can be found in Ref. hep-ph/971127912 pages, 6 Postscript figures. Invited talk at the Int. Workshop "Beyond the Standard Model: from Theory to Experiment (Valencia, October 1997)High Energy Physics - Phenomenologytext