Mar 2007 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 1.471 63.4 3:00 1.471 63.4 4:00 1.471 63.4 5:00 1.466 63.3 6:00 1.489 63.5 7:00 1.139 61.1 8:00 0.824 58.3 9:00 1.229 61.8 10:00 1.195 61.5 11:00 1.072 60.6 12:00 1.002 60.0 13:00 1.015 60.1 14:00 1.108 60.9 15:00 1.229 61.8 16:00 1.168 61.3 17:00 0.674 56.6 18:00 1.430 63.1 19:00 1.447 63.2 20:00 1.471 63.4 21:00 1.471 63.4 22:00 1.471 63.4 23:00 1.471 63.4