ZCZC IA14 300120 UTC APR 26 LA MADDALENA RADIO MEDITERRANEAN SEA 1- SELF-_D_GILED UNDERWATER VEHICLEV_VG_SFWPY_SMVP_VYFMP PYEMJX_M__CRQBHKD___KDB_N__EFINED BY: 39-11.37N 03-03.76E 39-10.21N 03-11.24E 39-26.46N 03-37.83E 39-39.33N 09-25.20_=_8.66_ _RQMUWE 39-48.66N 05-48.74E 39-48.66N 06-54.54E 39-48.66N__YU Z_GR N_ ZM_OU_X_EAPYMTTE 39-03.35__2-50.42E VESSELS IN THE AB _F_SE ZONE TO INTERFERE WITH THE DEVICE AND MAINTAIN THE CAUTION. NNNN