ZCZC RA96 280250 UTC JUL 26 LA MADDALENA RADIO COSTAVURNAV NR. 102/26 JUL 27 SARDINIA - TYRRDPFMJPM_MGSM_WWSPON_YZBM_FXP_MGSHMZM_UFBCBUUEMGHZM_FXP_MGSHMZM_ HBFBCGKQLOJKZKUIK_COCOOZHNPNBGE_O7,1_-___$,_1_()7_3_B_D_FORMATION ON THE FACTORS THAT CAN INFLUENCE THE MOVEMENT OF SHIPS ON VHF/FM CHANNEL 10. NNNN