As Chen explains, in case of a natural catastrophe, when all lines of communication are down, hams can set up stations to transmit reports on the situation to the outside world, thereby facilitating the prompt arrival of help.
陳實忻表示，國外有若干災難發生後，一切地面通信系統都被切斷，懂得電學的「火腿」，就利用汽車的電瓶、簡單的天線，發出災情報告和求救信號，使外界得以瞭解災區狀況，以便進行救助。