Jul 2011 Gunma-ken Maebashi-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 36.38 Longitude of receiver(Degree): 139.07 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 3.897 71.8 1:00 3.911 71.8 2:00 3.952 71.9 3:00 3.416 70.7 4:00 4.713 73.5 5:00 5.631 75.0 6:00 5.262 74.4 7:00 4.912 73.8 8:00 4.295 72.7 9:00 4.804 73.6 10:00 4.893 73.8 11:00 4.873 73.8 12:00 4.871 73.8 13:00 4.889 73.8 14:00 4.854 73.7 15:00 4.404 72.9 16:00 4.563 73.2 17:00 5.688 75.1 18:00 4.445 73.0 19:00 3.395 70.6 20:00 4.448 73.0 21:00 3.965 72.0 22:00 3.918 71.9 23:00 3.897 71.8