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Tracking geomagnetic fluctuations to picotesla accuracy using two superconducting quantum interference device vector magnetometers
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10.1063/1.4790715
/content/aip/journal/rsi/84/2/10.1063/1.4790715
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/2/10.1063/1.4790715

Figures

Image of FIG. 1.
FIG. 1.

The [SQUID]2 Z signal over a 30 min. period showing the burst noise which was corrected by software. The lines have been offset for clarity.

Image of FIG. 2.
FIG. 2.

Magnetometry signals recorded in the LSBB Capsule (Top: NS, middle: EW, bottom: Z) over a 72 h period during a public holiday in 2011, when there was no activity in the laboratory. The left hand plot shows the field measured by the Oxford system (in black); and the signal from [SQUID]2 system after the linear transform (in red). The two lines overlap almost perfectly. The right hand plot shows the difference between the two lines.

Tables

Generic image for table
Table I.

RMS difference between the transformed [SQUID]2 data and the Oxford signal for the three channels. These values are the mean of the RMS difference for periods of the given duration within the 72 h measurement shown in Fig. 2 .

Generic image for table
Table II.

Top: the scaling parameters which give the best fit of the three signals recorded by the [SQUID]2 magnetometer, to a single signal recorded by the Oxford system, as described in Sec. II C . Bottom: the angles between the axes of each magnetometer, determined from the arccosine of the scaling parameters.

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/content/aip/journal/rsi/84/2/10.1063/1.4790715
2013-02-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tracking geomagnetic fluctuations to picotesla accuracy using two superconducting quantum interference device vector magnetometers
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/2/10.1063/1.4790715
10.1063/1.4790715
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