Universitary Space Program, Tatiana II preliminary results

In this work we present a brief description of the Universitary Space Program and the scientific motivation of it. Also, the preliminary results of the Tatiana II satellite are presented, in particular results about the UV background level and the Transient Luminous Events (TLE's) as energetics, geographical distribution and its relation with the flux of charged particles in the earth vecinity. The next step know as M. Lomonosov satellite is also described