Jun 2010 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 1.273 62.1 1:00 1.273 62.1 2:00 1.264 62.0 3:00 1.245 61.9 4:00 1.355 62.6 5:00 0.637 56.1 6:00 0.795 58.0 7:00 1.063 60.5 8:00 0.935 59.4 9:00 0.717 57.1 10:00 0.467 53.4 11:00 0.339 50.6 12:00 0.293 49.3 13:00 0.301 49.6 14:00 0.369 51.3 15:00 0.530 54.5 16:00 0.785 57.9 17:00 0.993 59.9 18:00 1.043 60.4 19:00 0.596 55.5 20:00 1.005 60.0 21:00 1.356 62.6 22:00 1.252 62.0 23:00 1.268 62.1