convenience of using only one unit to express in logarithmic form the numerical values of international specifications and the results of measurements in exchanges at the international level
ITU-T B.12-1993 Referenced Document
ITU-T B.12 USE OF THE DECIBEL AND THE NEPER IN TELECOMMUNICATIONS
ITU-T B.12-1993 history
1993ITU-T B.12-1993 USE OF THE DECIBEL AND THE NEPER IN TELECOMMUNICATIONS