to founder Tsang Kin-Shing. Taiwan In reference to unlicensed land-based stations, the term underground radio is in common usage in Taiwan. The World United Formosans for Independence reportedly studied the possibility of broadcasting from the Philippines, but no concrete action materialised. The underground radio movement began in the liberalising political milieu following the lifting of the decades-long martial law. Historically most of the stations have opposed, in some manner, the political establishment represented by the Chinese Nationalist Party (Kuomintang) and the Republic of China (ROC) framework, in favour of the then opposition movement broadly consisting of the Democratic Progressive Party (DPP) and allied social movements. These so-called pan-green radio stations are mostly based in central and southern Taiwan with most listeners being hard-core pan-green supporters who despise Kuomintang rule and the potential for reunification with China. A few stations positioned themselves on the opposing end of the political spectrum, generally favouring the ROC status quo advocated by the New Party and "non-mainstream factions" within the Nationalist Party. With the DPP formerly in power, and ultimate Taiwan independence and sovereignty is the stance taken by most underground radio stations, Taiwan was one of the rare examples in the world of underground radio stations being pro-government. Programming generally is of a vertical blocking format, with live call-ins taking up a good portion of air time. On some stations, slots are allocated to local community and activist groups. The most prominent segment of the audience comes from rural working class, males usually middle-aged and beyond. Taiwanese Hokkien is by far the most commonly used language on the air, although Mandarin and, much less frequently, Hakka are also used. Underground radio stations cover their expenses by selling unorthodox drugs or medicine in a humorous and entertaining manner to keep the listeners hooked between actual programming. Most if not all underground stations favour a mechanism to gain legal status but many balk at the costly requirements, which they believe to favour corporate and Nationalist-owned broadcasters. Government policy has always treated underground radio as an illegal enterprise, even after the DPP came to power. Official responses have been more varied, alternating between levying fines and confiscating equipment to tolerating their presence. Most stations are able to set up backup broadcast points within days of government raids. Commercial stations are known to file official complaints against pirate stations, whose signals are said to interfere with legal broadcasts.