Jan. 2004 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 3.819 71.6 1:00 3.819 71.6 2:00 3.819 71.6 3:00 3.819 71.6 4:00 3.819 71.6 5:00 4.059 72.2 6:00 5.953 75.5 7:00 5.351 74.6 8:00 6.708 76.5 9:00 4.778 73.6 10:00 5.432 74.7 11:00 5.957 75.5 12:00 5.996 75.6 13:00 5.608 75.0 14:00 4.752 73.5 15:00 6.420 76.2 16:00 4.418 72.9 17:00 4.232 72.5 18:00 4.832 73.7 19:00 3.847 71.7 20:00 3.819 71.6 21:00 3.819 71.6 22:00 3.819 71.6 23:00 3.819 71.6