Results carried out at an experimental digital television studio in France gave mean field strengths which at
30 m would amount to between 29 and 37.8 dB@V/m). If an additional attenuation of at least 20 dB due to the
concrete construction of the studio
ITU-R BT.803-1992 history
1992ITU-R BT.803-1992 Avoidance of Interference Generated by Digital Television Studio Equipment