As Da Silva was not an Australian resident, he had to operate the radio underground and spent six months in bush of the Northern Territory in radio contact with the Fretilin leadership in Timor-Leste.
Karena Da Silva bukan seorang penduduk tetap Australia, ia harus mengoperasikan radio itu di bawah tanah dan tinggal selama enam bulan di semak-semak di Northern Territory untuk menjalin hubungan radio dengan pimpinan FRETILIN di Timor Leste.