Jan. 2004 Kumamoto-ken Kumamoto-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 32.78 Longitude of receiver(Degree): 130.73 Distance from Ohtakadoya-yama LF station (km): 1051 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.024 60.2 1:00 1.024 60.2 2:00 1.024 60.2 3:00 1.024 60.2 4:00 1.024 60.2 5:00 1.024 60.2 6:00 0.562 55.0 7:00 0.799 58.1 8:00 1.039 60.3 9:00 1.020 60.2 10:00 0.947 59.5 11:00 0.899 59.1 12:00 0.893 59.0 13:00 0.931 59.4 14:00 1.001 60.0 15:00 1.048 60.4 16:00 0.894 59.0 17:00 0.484 53.7 18:00 0.941 59.5 19:00 1.024 60.2 20:00 1.024 60.2 21:00 1.024 60.2 22:00 1.024 60.2 23:00 1.024 60.2