HB0049 BOHAI SEA SEA TRIALS BY SHIP TUOWEIYOU3 0000UTC TO 1000UTC DAILY FROM 2 TO 3 AUG IN AREA BOUNDED BY THE LINES JOINING:
（1）39-54.40N/119-43.76E； （2）39-54.45N/119-50.00E；
（3）39-53.09N/119-49.58E； （4）39-53.87N/119-43.76E；
OPERATING CHANNEL 08 CAUTION ADVISED. HEBEI MSA CHINA.