Episcopal polity Apostle. Currently the bishops of the Assyrian Church of the East continue to maintain its apostolic succession. Anglicanism is the most prominent of the Reformation traditions to lay claim to the historic episcopate through apostolic succession in terms comparable to the various Roman Catholic and Orthodox Communions. Anglicans assert unbroken episcopal succession in and through the Church of England back to St. Augustine of Canterbury and to the first century Roman province of Britannia. While some Celtic Christian practices were changed at the Synod of Whitby, the church in the British Isles was under papal authority from earliest times. The
Program test authority Program test authority In broadcasting, program test authority (PTA) is an authorization to conduct on-air testing of broadcast station facilities authorized to be built under a construction permit. Once this testing is successfully completed, and all measured parameters match what was authorized in the permit, the permittee can apply to the broadcasting authority for a broadcast license to cover the permit. PTA lasts until the license is issued (or, rarely, denied). "Program" refers to the permission to broadcast regular radio programming or TV programming, instead of just a test transmission such as a test card or bars and tone (TV