The ITU Radiocommunication Assembly considering a) the progress being made in bit rate reduction techniques; b) that the quality achievable with digital emission systems is improving; c) that different countries can use different digital and analogue television systems; d) that certain digital television broadcasting systems have proven the capability to be used for mobile reception; e) that reception of digital television with small hand held TV receivers is feasible.
ITU-R QUESTION 4-2/6-2004 history
2004ITU-R QUESTION 4-2/6-2004 Planning parameters for digital television broadcasting using terrestrial channels