Feb 2010 Niigata-ken Niigata-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 37.90 Longitude of receiver(Degree): 139.02 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 3.907 71.8 1:00 3.907 71.8 2:00 3.907 71.8 3:00 3.907 71.8 4:00 3.977 72.0 5:00 6.108 75.7 6:00 5.684 75.1 7:00 5.312 74.5 8:00 5.455 74.7 9:00 5.381 74.6 10:00 5.996 75.6 11:00 6.058 75.6 12:00 6.054 75.6 13:00 6.035 75.6 14:00 5.579 74.9 15:00 5.122 74.2 16:00 6.119 75.7 17:00 6.666 76.5 18:00 6.936 76.8 19:00 4.035 72.1 20:00 3.907 71.8 21:00 3.907 71.8 22:00 3.907 71.8 23:00 3.907 71.8