DTT coverage-predictions and measurement

Digital terrestrial television services began in the UK in November 1998. Unlike previous analogue services, the planning of digital television is based largely on computer coverage predictions. Although this reduces the need for extensive coverage measurements, some field work is required to validate the predictions for both rooftop and indoor reception. It is also important to investigate situations that may give rise to reception difficulties. This paper discusses the first phase of field work undertaken for this purpose by the BBC