ITU-R F.240-6-1992 Signal-to-Interference Protection Ratios for Various Classes of Emission in the Fixed Service Below About 30 MHz - Section 3Aa - Technical Characteristics
Protection ratio is defined in No. 164 of the Radio Regulations as follows
ITU-R F.240-6-1992 history
2006ITU-R F.240-2006 Signal-to-interference protection ratios for various classes of emission in the fixed service below about 30 MHz
1992ITU-R F.240-6-1992 Signal-to-Interference Protection Ratios for Various Classes of Emission in the Fixed Service Below About 30 MHz - Section 3Aa - Technical Characteristics
ITU-R F.240-6-1992 Signal-to-Interference Protection Ratios for Various Classes of Emission in the Fixed Service Below About 30 MHz - Section 3Aa - Technical Characteristics was changed to ITU-R F.240-2006 Signal-to-interference protection ratios for various classes of emission in the fixed service below about 30 MHz.