The Australian Broadcasting Control Board was an Australian government agency whose main roles were to regulate broadcasting, radiocommunications and telecommunications. It also had a role of handing out licenses, however Postmaster did the engineering. The Australian Broadcasting Tribunal took over the roles of the ABCB in the 1970s, engineering in some cases were handed over to the National Transmission Authority, once the Post Office got out of Telecommunications. Australian Broadcasting Authority took over the role of the NTA and ABT, and more recently the Australian Communications and Media Authority combined the ABA and ACA. Judicial High Court Lower Courts Constitution State and territory governments Executive Governors and Administrators Premiers and Chief Ministers Legislative Parliaments and Assemblies State electoral systems ACT - NSW - NT - Qld. ... Wikibooks has more about this subject: Marketing Note: broadcasting is also a term for hand sowing. ... Telecommunication involves the transmission of signals over a distance for the purpose of communication. ...