Oct. 2013 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 38.23 Longitude of receiver(Degree): 140.37 Distance from Ohtakadoya-yama LF station (km): 105 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 10.756 80.6 1:00 10.756 80.6 2:00 10.756 80.6 3:00 10.756 80.6 4:00 10.599 80.5 5:00 8.052 78.1 6:00 10.061 80.1 7:00 9.686 79.7 8:00 8.638 78.7 9:00 9.655 79.7 10:00 9.286 79.4 11:00 9.064 79.1 12:00 9.049 79.1 13:00 9.208 79.3 14:00 9.631 79.7 15:00 8.915 79.0 16:00 9.943 80.0 17:00 10.073 80.1 18:00 9.000 79.1 19:00 10.535 80.5 20:00 10.756 80.6 21:00 10.756 80.6 22:00 10.756 80.6 23:00 10.756 80.6