This SAE Information Report defines a procedure for indicating the severity of narrowband emissions from an electronic system-component.
SAE J2556-2014 Referenced Document
CISPR 25-2008 Vehicles, boates and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
SAE J2556-2014 history
2014SAE J2556-2014 Radiated Emissions (RE) Narrowband Data Analysis - Power Spectral Density (PSD)
2010SAE J2556-2010 Radiated Emissions (RE) Narrowband Data Analysis Power Spectral Density (PSD)
2005SAE J2556-2005 Radiated Emissions (RE) Narrowband Data Analysis—Power Spectral Density (PSD)
2000SAE J2556-2000 Radiated Emissions (RE) Narrowband Data Analysis Power Spectral Density (PSD)