Jan. 2004 Gunma-ken Maebashi-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.38 Longitude of receiver(Degree): 139.07 Distance from Hagane-yama LF station (km): 871 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.064 60.5 1:00 1.064 60.5 2:00 1.064 60.5 3:00 1.064 60.5 4:00 1.064 60.5 5:00 1.050 60.4 6:00 0.746 57.5 7:00 1.692 64.6 8:00 0.919 59.3 9:00 0.635 56.1 10:00 1.128 61.0 11:00 1.271 62.1 12:00 1.298 62.3 13:00 1.294 62.2 14:00 1.244 61.9 15:00 1.018 60.2 16:00 0.417 52.4 17:00 1.364 62.7 18:00 1.241 61.9 19:00 0.997 60.0 20:00 1.064 60.5 21:00 1.064 60.5 22:00 1.064 60.5 23:00 1.064 60.5