Apr. 2014 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 Distance from Ohtakadoya-yama LF station (km): 172 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 3.860 71.7 4:00 6.818 76.7 5:00 7.300 77.3 6:00 6.086 75.7 7:00 4.721 73.5 8:00 5.869 75.4 9:00 6.107 75.7 10:00 5.697 75.1 11:00 5.597 75.0 12:00 5.592 75.0 13:00 5.658 75.1 14:00 5.981 75.5 15:00 6.096 75.7 16:00 4.500 73.1 17:00 7.036 76.9 18:00 6.880 76.8 19:00 7.331 77.3 20:00 3.911 71.8 21:00 3.688 71.3 22:00 3.686 71.3 23:00 3.686 71.3