2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/11076MAXIMA and BOOMERanG are balloon borne experiments designed to map the cosmic microwave background anisotropy power spectrum from l=10 to l=900 with high resolution. Here we describe the program of observations, the experiments, their capabilities, and their expected performance.3 pages, Latex, sprocl.sty file attached, to appear in the Proceedings of the 18th Texas Symposium on Relativistic AstrophysicsAstrophysicstext