ZCZC RA11 030250 UTC AUG 26 LA MADDALENA RADIO COSTAVURNAV NR. 102/26 JUL 27 (1 RELAY) SARDINIA - TYRRHENIAN SEA - LA MADDALENA FROM 08:30 LT ON 28.07.2026 TO 08:30 LT ZNM_PIMWPWYN LA MADDALENA V.T.S. PROVIDES O_LY TIMELY AND RELEVANT INFORMATION ON THE FACTORS THAT CAN INFLUENCE THE MOVEM_OF SHIPS ON VHF/FM CHANNEL 10. ALL TRANSITING SHIPS BEWA__. NNNN