Since 2002, in order to regulate the frequencies, RTÜK partners with the Communications High Council HYK, founded in 1983 to approve communication policies, and the Telecommunication Authority TK, established in 2000 to regulate and control the telecommunication sector. TK is tasked with frequency planning, yet frequency auctions have often been unsuccessful due to lack of coordination between the three bodies as well as outside pressures from media conglomerates. The MGK (National Security Council) also intervened to oblige broadcasters to acquire a national security clearance document, in order to prevent the establishment of religious TV channels. In 2010 all radio and TV stations continued operating without licenses.