电台呼号 meaning in English

radio station call sign
station announcement
station call letters

Amateur station call letter
业余电台呼号
In this case , again , no station identification announcement has been heard or understood
这种情况下，同样没有听到电台呼号，或者没有听明白。
Here , you either have no idea , from the announcements and program details , as to the identity - or you have a very low degree of certainty as the identity
在这种情况下，从电台呼号和节目内容到电台的身份你都毫无所知，或者把握非常小。