YELLOW SEAGUN FIRING IN AREA BOUNDED BY THE LINES JIONING FROM 030030UTC TO 030930UTC AUG 21. 1、37°36′00″N/122°22′00″E; 2、37°40′00″N/122°22′00″E; 3、37°40′00″N/122°27′00″E; 4、37°36′00″N/122°27′00″E,ENTERING PROHIBITED. SHANDONG MSA CHINA.