 He was able to get a Silvertone radio working by March 1942, allowing him and the locals to receive news broadcast by KGEI, San Francisco.When that battery ceased operating, he used a Zenith Electronics radio to pick up also the USAFFE, The Voice of Freedom, broadcasts from Corregidor Island.Based on the radio broadcasts, Tweed published an underground newspaper, the "Guam Eagle", for four months using a typewriter and carbon paper.