2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5632We present preliminary results of TRIS, an experiment dedicated to the search of deviations from a pure planckian distribution in the spectrum of the Cosmic Microwave Background at frequencies close to 1 GHz9 pages, in press on the Proc. of the 3rd Sakharov Conf. - Moscow 2002AstrophysicsSearch for distortions in the spectrum of the Cosmic Microwave Radiationtext