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Verification of the Time Accuracy of a Magnometer by Using a GPS Pulse Generator

Authors:

Yasuhiro Minamoto ,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595 Ishioka-shi, Ibaraki, Japan
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Nobuyuki Kumasaka,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595 Ishioka-shi, Ibaraki, Japan
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Toshiaki Mishima,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595 Ishioka-shi, Ibaraki, Japan
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Takeshi Oowada,

Kakioka Magnetic Observatory, Japan Meteorological Agency, Kakioka 595 Ishioka-shi, Ibaraki, Japan
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Takashi Okawa

Matsushiro Seismological Observatory, Japan Meteorological Agency, Nishijo 3511, Matsushiro-machi, Nagano-shi, Nagano-ken, Japan
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Abstract

The time accuracy of geomagnetic data is an important specification for one-second data distributions. We tested a procedure to verify the time accuracy of a fluxgate magnetometer by using a GPS pulse generator. The magnetometer was equipped with a high time resolution (100 Hz) output, so the data delay could be checked directly. The delay detected from one-second data by a statistical method was larger than those from 0.1-s- and 0.01-s-resolution data. The test of the time accuracy revealed the larger delay and was useful for verifying the quality of the data.
DOI: https://doi.org/10.2481/dsj.IAGA-10
How to Cite: Minamoto, Y., Kumasaka, N., Mishima, T., Oowada, T. and Okawa, T., 2011. Verification of the Time Accuracy of a Magnometer by Using a GPS Pulse Generator. Data Science Journal, 10, pp.IAGA58–IAGA63. DOI: http://doi.org/10.2481/dsj.IAGA-10
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Published on 07 May 2011.
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