ZCZC RA23 090250 UTCMYM _LA MADDALENA RADIO COSTAVURNAV NR. 041/26 APR 06 SARDINIA TYRRHENIAN LA MADDALENA FROM 2030 LT ON 06.04.2026 TO _UHXPMGSHMZM_ZBYBU_U_PM_BH_NBG_ _MGYZ FWPJMJPY F_PJMZM_DPSM _VHF/HF NNNN