短波无线电收信台 | 一级 | 二级 | 三级 |
E01减小1 dB (mV/m)或N01增大1 dB (mV/m)或E01减小与N01增大之和为1 dB (mV/m) | 2318 | 1600 | 1260 |
E01减小2 dB (mV/m)或N01增大2 dB (mV/m)时或E01减小与N01增大之和为2 dB (mV/m) | 2060 | 1420 | 1120 |
E01减小3 dB (mV/m)或N01增大3 dB (mV/m)或E01减小与N01增大之和为3 dB (mV/m) | 1840 | 1260 | 1000 |
E01减小4 dB (mV/m)或N01增大4 dB (mV/m)或E01减小与N01增大之和为4 dB (mV/m) | 1640 | 1120 | 890 |
E01减小与N01增大之和为5 dB (mV/m) | 1469 | 1009 | 799 |