Jan 2012 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 3.686 71.3 1:00 3.686 71.3 2:00 3.686 71.3 3:00 3.686 71.3 4:00 3.686 71.3 5:00 3.933 71.9 6:00 6.361 76.1 7:00 5.563 74.9 8:00 7.164 77.1 9:00 4.454 73.0 10:00 5.344 74.6 11:00 6.069 75.7 12:00 6.121 75.7 13:00 5.590 74.9 14:00 4.374 72.8 15:00 6.840 76.7 16:00 4.094 72.2 17:00 4.102 72.3 18:00 4.385 72.8 19:00 3.714 71.4 20:00 3.686 71.3 21:00 3.686 71.3 22:00 3.686 71.3 23:00 3.686 71.3