GEOPHYSICAL OBSERVATORY REPORTS, YEAR 2002-2004 - NAGYCENK GEOPHYSICAL OBSERVATORY (Sopron, 2006)

2002-2004 - CONTENTS

CONTENTS Preface - V. Wesztergom 3 I. Description of the observatory — V. Wesztergom 5 II. Geomagnetism 9 Electric activity indices 9 Magnetic measurements and data processing - V. Wesztergom 25 Geomagnetic data 28 Hourly mean values of H, D, Z 29 Daily mean values of H, D, Z 49 Geomagnetic К indices 53 Special phenomena: SSC, sfe 69 Annual mean values of geomagnetic elements 72 III. Atmospheric electricity 75 Hourly means of the potential gradient 76 Schumann resonance observations - G. Sátori 149 IV. Meteorological observations 155

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