问题
单项选择题
How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? ()
A.6 months
B.1 year
C.2 years
D.3 years
答案
参考答案:D
How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? ()
A.6 months
B.1 year
C.2 years
D.3 years
参考答案:D