  Supersymmetric models with broken R-parity provide mechanisms that allow to
generate Majorana neutrino masses and magnetic moments through virtual
particle-sparticle loops. This constitutes an attractive alternative to the
see-saw mechanism. In this paper we present a detailed calculation of the
transition magnetic moments of a Majorana neutrino in gauge mediated
supersymmetry breaking MSSM without R-parity. We base our analysis on the
renormalization group evolution of the MSSM parameters, which are unified at
the GUT scale.
