Mar 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 4.129 72.3 5:00 5.991 75.5 6:00 5.266 74.4 7:00 6.237 75.9 8:00 5.144 74.2 9:00 5.975 75.5 10:00 5.967 75.5 11:00 5.777 75.2 12:00 5.760 75.2 13:00 5.914 75.4 14:00 6.024 75.6 15:00 5.362 74.6 16:00 5.781 75.2 17:00 4.717 73.5 18:00 4.488 73.0 19:00 4.858 73.7 20:00 3.930 71.9 21:00 3.907 71.8 22:00 3.907 71.8 23:00 3.907 71.8