Technical Report of the Kakioka Magnetic Observatory Vol.14 No.01, March 2017
Shin ARITA, Takeshi OWADA, Fujio MUROMATSU, Tetsuo TOKUMOTO, Kenji MORINAGA & Takashi OHKAWA Estimation of the influence of facilities removed from the Memambetsu Magnetic Observatory site on geomagnetic field measurements at the absolute observation point