After WWII there was an increasingly close military relationship between Taiwan and the US, both seeking to "contain red China." As part of this relationship, monitoring Chinese radio communications was always important work, and the Linkou base was the primary location for this.
二次大戰結束後，台灣和美國軍事關係緊密，共同「圍堵赤色中國」，其中對於大陸電台通訊的監聽一向是重要工作，而林口基地就是這項工作的主要地點。