3.16 mV/m = 70 dBu
1.16 mV/m = 60 dBu
0.76 mV/m = 57 dBu
0.56 mV/m = 54 dBu
0.25 mV/m = 48 dBu
0.16 mV/m = 40 dBu
0.05 mV/m = 34 dBu