Administrative Regulations for Academic Experimental Radio Stations Article 15
When the Station engages in continuous test transmissions, it shall transmit the approved call sign at least once both at the beginning and completion of such transmissions.
中文原文 學術試驗無線電臺管理辦法第15條
電臺作連續發射試驗時，應於開始與結束時各發送核定之呼號至少一次。