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Portable magnetometer theodolite with fluxgate sensor for earth's magnetic field component measurements

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Abstract

A new portable magnetometer theodolite with fluxgate sensor has been developed for measuring the components of the earth's magnetic field. With this instrument, used as a null detector, it is possible to make absolute measurements of declination (D) and inclination (I). The compensation of the main magnetic field allows direct intensity measurements (H, X, Y, Z components); in this case the calibration is made by reference to a proton magnetometer.

The observation procedure is particularly easy and quick. The accuracy is better than 5 sec of arc forD andI and better than 1 nT for direct intensity measurements.

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References

  • Meyer, O. und Voppel, D.: 1954, ‘Ein Theodolit zur Messung des erdmagnetischen Feldes mit der Förstersonde als Nullfeldindikator’,Deutsche Hydrographische Z.,7, 73–77/

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  • Serson, P. H. and Hannaford, W. L. W.: 1956, ‘A Portable Electrical Magnetometer’,Can. J. Technol. 34, 232–243.

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  • Trigg, D. F.: 1970,A Portable D and I Magnetometer, Geomagnetic Lab. Report No. 70-3, Earth Phys. Branch, Dept. Energy, Mines and Resources, Ottawa, Canada.

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Authors and Affiliations

  1. Institut de Physique du Globe, Université Louis Pasteur, 5 rue René Descartes, 67084, Strasbourg Cedex, France

    J. Bitterly, J. M. Cantin, R. Schlich & J. Folques

  2. Institut de Physique du Globe, Université P. et M. Curie, 4 place Jussieu, 75230, Paris Cedex 05, France

    D. Gilbert

Authors
  1. J. Bitterly
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  2. J. M. Cantin
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  3. R. Schlich
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  4. J. Folques
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  5. D. Gilbert
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Bitterly, J., Cantin, J.M., Schlich, R. et al. Portable magnetometer theodolite with fluxgate sensor for earth's magnetic field component measurements. Geophysical Surveys 6, 233–239 (1984). https://doi.org/10.1007/BF01465538

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  • DOI: https://doi.org/10.1007/BF01465538

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