ZCZC TF92 251710 UTC JUN OOSTENDERADIO MSI 278/26 PILOT AND VTS SERVICE BE EEZ SHOREBASED VTS CENTRE ZEEBRUGGE DECREASED SERVICE LEVEL VTS WANDELAAR APPROACH CH 60 T_OIO_ESPONSIVE DURING RADAR ASSISTANCE ON VHF L_OTS RADAR ZEEBRUGGE VHF 19 IS CLOSED VTS RADAR CONTROL ZEEBRUGGE VHF 4 IS CLOSED, EXCEPT FOR LNG CARRIERS NNNN