Dec 2010 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 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 10.756 80.6 5:00 10.522 80.4 6:00 9.229 79.3 7:00 10.129 80.1 8:00 9.870 79.9 9:00 8.569 78.7 10:00 9.420 79.5 11:00 9.698 79.7 12:00 9.701 79.7 13:00 9.549 79.6 14:00 8.645 78.7 15:00 9.940 79.9 16:00 9.369 79.4 17:00 10.308 80.3 18:00 10.298 80.3 19:00 10.754 80.6 20:00 10.756 80.6 21:00 10.756 80.6 22:00 10.756 80.6 23:00 10.756 80.6