May. 2014 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 Distance from Hagane-yama LF station (km): 1058 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 1.456 63.3 4:00 1.508 63.6 5:00 1.144 61.2 6:00 0.788 57.9 7:00 1.214 61.7 8:00 1.112 60.9 9:00 0.841 58.5 10:00 0.562 55.0 11:00 0.391 51.8 12:00 0.324 50.2 13:00 0.335 50.5 14:00 0.433 52.7 15:00 0.640 56.1 16:00 0.929 59.4 17:00 1.173 61.4 18:00 1.153 61.2 19:00 0.650 56.3 20:00 1.418 63.0 21:00 1.441 63.2 22:00 1.462 63.3 23:00 1.471 63.4