Rebecca Azulay is a current contributor to the Astronomical Observatory of the University of Valencia and she has been a postdoctoral researcher in the Department of Astronomy and Astrophysics of the Astronomical Observatory and the Max Planck Institute for Radio astronomy in Bonn, Germany, throughout the work presented. Her main contribution has been based on the realization -within the EHT observation campaign- of the observations of source 3C 279 from the IRAM 30m telescope in Pico Veleta (Granada), as well as collaborating on the technical configuration of that telescope.