Jul 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 1.266 62.1 3:00 1.248 61.9 4:00 1.363 62.7 5:00 0.711 57.0 6:00 0.764 57.7 7:00 1.063 60.5 8:00 0.942 59.5 9:00 0.725 57.2 10:00 0.474 53.5 11:00 0.343 50.7 12:00 0.296 49.4 13:00 0.304 49.7 14:00 0.374 51.5 15:00 0.539 54.6 16:00 0.793 58.0 17:00 1.000 60.0 18:00 1.037 60.3 19:00 0.566 55.1 20:00 1.068 60.6 21:00 1.347 62.6 22:00 1.254 62.0 23:00 1.271 62.1