Ground magnetometer data have been providing important knowledge of magnetic pulsations (or ULF waves) for more than a hundred years. With the advance of modern technologies, the accuracy of measurements is constantly improving. In addition, more arrays of magnetometer stations have been established. However, the usage of magnetometer arrays for studying magnetic pulsations has not been fully e...

Precise control of UAV (Unmanned Aerial Vehicle) or MAV (Micro Aerial Vehicle), requires the accurate determination of vehicle orientation. Attitude and heading reference systems (AHRS) are popularly used for vehicle orientation determination. In these systems, Euler angle estimation is more appropriate than quaternion estimation because the accelerometer measurement and magnetometer measuremen...

This paper presents an algorithm for calibrating strapdown magnetometers in the magnetic field domain. In contrast to the traditional method of compass swinging, which computes a series of heading correction parameters and, thus, is limited to use with two-axis systems, this algorithm estimates magnetometer output errors directly. Therefore, this new algorithm can be used to calibrate a full th...

We present a design for a magnetometer capable of operating at temperatures down to 50 mK and magnetic fields up to 15 T with integrated sample temperature measurement. Our design is based on the concept of a Faraday force magnetometer with a load-sensing variable capacitor. A plastic body allows for fast sweep rates and sample temperature measurement, and the possibility of regulating the init...

We report on a two-channel magnetometer based on non-linear magneto optical rotation in Cs buffered glass cell. The Cs atoms are optically pumped and probed by free running diode lasers tuned to the D2 line. A wide frequency modulation of the pump laser is used to produce both synchronous Zeeman optical pumping and hyperfine repumping. The magnetometer works in an unshielded environment and spu...

A magnetometer instrument, based on a proposal submitted to the Europa Orbiter Announcement of Opportunity, is described. The primary science aim of the instrument would be to characterize the electromagnetic fields which are induced around Europa, Ganymede and Callisto. These signatures will then be interpreted in light of the internal structure of the moons. The design of the instrument consi...

A K-3He co-magnetometer has been developed for a test of Lorentz and CPT symmetry. Polarized K vapor forms a spin-exchange relaxation-free (SERF) magnetometer that has record sensitivity of about 1 fT/ √ Hz. The polarized 3He effectively suppresses sensitivity to the magnetic fields and gradients. Together, the K-3He comagnetometer retains sensitivity to anomalous, CPTand Lorentz-violating fiel...

Sentinel lymph node dissection (sLND) using a magnetometer and superparamagnetic iron oxide nanoparticles (SPIONs) as a tracer was successfully applied in prostate cancer (PCa). Radioisotope-guided sLND combined with extended pelvic LND (ePLND) achieved better node removal, increasing the number of affected nodes or the detection of sentinel lymph nodes outside the established ePLND template. W...

Please note that terms and conditions apply. In-flight calibration of the spin axis offset of a fluxgate magnetometer with an electron drift instrument View the table of contents for this issue, or go to the journal homepage for more Abstract We show that the spin axis offset of a fluxgate magnetometer can be calibrated with an electron drift instrument (EDI) and that the required input time in...