Jun 2012 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Hagane-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 1.471 63.4 1:00 1.471 63.4 2:00 1.463 63.3 3:00 1.448 63.2 4:00 1.530 63.7 5:00 0.835 58.4 6:00 0.917 59.2 7:00 1.222 61.7 8:00 1.076 60.6 9:00 0.801 58.1 10:00 0.525 54.4 11:00 0.364 51.2 12:00 0.303 49.6 13:00 0.314 49.9 14:00 0.403 52.1 15:00 0.598 55.5 16:00 0.886 58.9 17:00 1.144 61.2 18:00 1.193 61.5 19:00 0.722 57.2 20:00 1.215 61.7 21:00 1.509 63.6 22:00 1.454 63.3 23:00 1.466 63.3