{ "HAPI": "3.3.1", "status": { "code": 1200, "message": "OK" }, "startDate": "1968-01-01T00:00:00Z", "stopDate": "2026-08-01T00:00:00Z", "cadence": "PT1M", "timeStampLocation": "center", "modificationDate": "2026-08-31T00:23:57Z", "maxRequestDuration": "P366D", "title": "Kanoya Observatory (Best Available, 1-minute)", "description": "Kanoya (KNY) 1-minute geomagnetic field, served as the components natively reported in the source. Timestamps are bin centers (timeStampLocation=center). Best available version per period.", "licenseURL": "https://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html", "x_observatory": { "name": "Kanoya", "iagaCode": "KNY", "latitude": 31.424, "longitude": 130.88, "elevation": 107, "country": "Japan" }, "x_sourceMetadata": [ { "startDate": "1968-01-01T00:00:00Z", "stopDate": "1985-01-01T00:00:00Z", "sourceOfData": "Japan Meteorological Agency", "sensorOrientation": "variation:DHZ, absolute:DIF", "digitalSampling": "7.62 second", "dataIntervalType": "Average 1-minute (00:30-01:29)", "dataType": "quasi-definitive" }, { "startDate": "2001-01-01T00:00:00Z", "stopDate": "2021-01-01T00:00:00Z", "sourceOfData": "INTERMAGNET IRDS", "sensorOrientation": "HDZF", "digitalSampling": "1.000", "dataIntervalType": "1-minute", "dataType": "Definitive" }, { "startDate": "2021-01-01T00:00:00Z", "stopDate": "2024-01-01T00:00:00Z", "sourceOfData": "INTERMAGNET Website", "sensorOrientation": "HDZF", "digitalSampling": "1.000", "dataIntervalType": "1-minute", "dataType": "Definitive" } ], "x_sourceComments": [ { "startDate": "1968-01-01T00:00:00Z", "stopDate": "1968-04-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html", "", "", "", " Last update 2023-03-24" ] }, { "startDate": "1968-04-01T00:00:00Z", "stopDate": "1968-05-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html", " D : Secondary variometers are used from 07:13:00 to 09:24:00", " H : Secondary variometers are used from 07:13:00 to 09:24:00", " Z : Secondary variometers are used from 07:13:00 to 09:24:00", " Last update 2023-03-24" ] }, { "startDate": "1968-05-01T00:00:00Z", "stopDate": "1973-01-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html" ] }, { "startDate": "1973-01-01T00:00:00Z", "stopDate": "1973-03-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html", "", "", "", " Last update 2020-03-17" ] }, { "startDate": "1973-03-01T00:00:00Z", "stopDate": "1975-01-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html", " D : Secondary variometers are used from 00:00:00 to 23:59:00", " H : Secondary variometers are used from 00:00:00 to 23:59:00", " Z : Secondary variometers are used from 00:00:00 to 23:59:00", " Last update 2020-03-17" ] }, { "startDate": "1975-01-01T00:00:00Z", "stopDate": "1980-01-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html" ] }, { "startDate": "1980-01-01T00:00:00Z", "stopDate": "1983-08-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html", "", "", " Last update 2016-03-25" ] }, { "startDate": "1983-08-01T00:00:00Z", "stopDate": "1985-01-01T00:00:00Z", "comments": [ " Element Geomagnetic field digitized from magnetograms", " Units: D(eastward+)[arc minute], H[nT], Z(downward+)[nT], F[nT]", " Accuracy: 0.2nT ( 0.02 arc minute)", " X=H*cos(D*pi/180/60) [nT],Y=H*sin(D*pi/180/60) [nT],", " I=arctan(Z/H)*60*180/pi [arc minute]", " When a trace is overlapped with a baseline, 99999 may be embedded.", " Reference: Mashiko, N. et al., 2012: Digitization of bromide paper", " records to extract one-minute geomagnetic data. Proceedings of 1st", " ICSU-WDS conference 'Global data for global science', Kyoto,", " 251-254. [Available online at www.icsu-wds.org.]", " Issued by Kakioka Magnetic Observatory,Japan Meteorological Agency", " URL:http://www.kakioka-jma.go.jp/en/index.html", "", "", "", " Last update 2016-03-25" ] } ], "x_unreportedElements": [ { "startDate": "1968-01-01T00:00:00Z", "stopDate": "1985-01-01T00:00:00Z", "elements": "F" } ], "parameters": [ { "name": "Time", "type": "isotime", "units": "UTC", "fill": null, "length": 24, "label": "Time" }, { "name": "geomagneticFieldD", "type": "double", "units": "arcmin", "fill": "99999.0", "label": "D", "description": "Geomagnetic declination (eastward+), minutes of arc. Native when reported (horizontal reported as D,H); else fill." }, { "name": "geomagneticFieldH", "type": "double", "units": "nT", "fill": "99999.0", "label": "H", "description": "Geomagnetic horizontal intensity. Native when reported; else fill." }, { "name": "geomagneticFieldX", "type": "double", "units": "nT", "fill": "99999.0", "label": "X", "description": "Geomagnetic north component. Native when reported (horizontal reported as X,Y); else fill. Not derived from H,D." }, { "name": "geomagneticFieldY", "type": "double", "units": "nT", "fill": "99999.0", "label": "Y", "description": "Geomagnetic east component. Native when reported; else fill. Not derived from H,D." }, { "name": "geomagneticFieldZ", "type": "double", "units": "nT", "fill": "99999.0", "label": "Z", "description": "Geomagnetic vertical (downward+) component." }, { "name": "geomagneticFieldF", "type": "double", "units": "nT", "fill": "99999.0", "label": "F", "description": "Total field intensity, measured by an instrument independent of the vector components. Element letter F in the IAGA2002/WDC native output. Fill when the source reports no total field. Note that fill covers two distinct cases the source writes differently (99999 = measured but missing, 88888 = not observed at all); see x_unreportedElements for the periods in which an element was not observed." }, { "name": "geomagneticFieldI", "type": "double", "units": "arcmin", "fill": "99999.0", "label": "I", "description": "Geomagnetic inclination, minutes of arc. Reserved column: native only when reported; otherwise fill." }, { "name": "versionCode", "type": "integer", "units": null, "fill": null, "label": "Version Code", "description": "Processing status code Mm following IAGA2002 Data Type (M: 0=variation, 1=provisional, 2=quasi-definitive, 3=definitive; m=minor, the recalculation generation within the same major: 0=first conversion, 1 and above=reconverted after the source changed)." } ], "x_LastUpdate": "2026-09-23T15:07:40Z" }