Independent Broadcasting Authority rival Sky Television plc was able to launch an analogue service and intended to overshadow BSB by leasing transponders from Société Européenne des Satellites' RCA Astro-built satellite, Astra 1A. After around a year, the company merged with BSB. The IBA was disbanded as part of the Broadcasting Act 1990, being replaced on New Year's Day 1991 by the Independent Television Commission (ITC) (which also absorbed the Cable Authority), and the Radio Authority (RAu), which have since been merged with other regulators such as Broadcasting Standards Commission (BSC) and Oftel (Office of Telecommunications) to form one regulator, Ofcom. All of the
Television broadcasting in Australia have only two operators, each affiliated with their own networks. Consequently, these two operators have formed a supplementary "digital only" joint venture to broadcast the remaining third network. In 1993 the Australian Broadcasting Authority allocated licences for a sixth television channel for non-profit community and educational use on a trial basis. The groundwork for community television was laid in the Broadcasting Services Act 1992, which defined a new service category, community television, for the first time. Prospective community television providers were invited to apply for transmitter licences, which were granted to groups in Sydney, Melbourne, Brisbane, Adelaide and Lismore. In