[14p-4A-1~26] 11.4 Analog applications and their related technologies

[14p-4A-5] Highly sensitive geomagnetic observation using SQUID magnetometers (II)

〇Jun Kawai¹, Masakazu Miyamoto¹, Miki Kawabata¹, Yasuhiro Haruta¹, Gen Uehara¹ (1.AEL/KIT)

Keywords:SQUID,geomagnetic observation,low drift

We have been developing a SQUID magnetomer system for geomagnetic observation with high sensitivity since 2012. We report some results of field tests using the system and improvement of low-frequency noise performance attributed to the flux locked loop electronics.