May 2010 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 4.108 72.3 1:00 4.108 72.3 2:00 4.134 72.3 3:00 3.293 70.4 4:00 5.770 75.2 5:00 5.781 75.2 6:00 4.857 73.7 7:00 5.015 74.0 8:00 4.353 72.8 9:00 4.771 73.6 10:00 4.886 73.8 11:00 4.867 73.7 12:00 4.865 73.7 13:00 4.882 73.8 14:00 4.827 73.7 15:00 4.419 72.9 16:00 4.727 73.5 17:00 5.323 74.5 18:00 5.068 74.1 19:00 4.231 72.5 20:00 3.703 71.4 21:00 4.142 72.3 22:00 4.109 72.3 23:00 4.108 72.3