2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176965A simple analysis technique is described which allows to intercalibrate the response of imaging atmospheric Cherenkov telescopes in stereoscopic telescope arrays at a level of 1-2%.Latex, 5 pages, 1 Figure, submitted to Astroparticle PhysicsAstrophysicstext