Specifies standard proportions. Does not apply to audiograms. Includes logarithmic frequency scales and polar level diagrams. Examples of the requirements specified herein are given in appendix A. Figures of the examples are given. Is the third edition o
IEC 60263:1982 history
2020IEC 60263:2020 Scales and sizes for plotting frequency characteristics and polar diagrams
1982IEC 60263:1982 Scales and sizes for plotting frequency characteristics and polar diagrams
1970IEC 60263:1975 Scales and sizes for plotting frequency characteristics and polar diagrams
1970IEC 60263:1968 Scales and sizes for plotting frequency characteristics