DIN IEC 60244-4:1983-05 Methods of measurement for radio transmitters; part 4: amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting
1983DIN IEC 60244-4:1983-05 Methods of measurement for radio transmitters; part 4: amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting
1983DIN IEC 60244-4:1983 Methods of measurement for radio transmitters; part 4: amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting