SPACE-W (Space Weather International Collaborative Research)
Database in Japan

Observation (SPACEW-J-OB0046)

Version 1.0 March 2004

(CAWSES database in Japan)

Kakioka One-Second Resolution Geomagnetic Data 2002-2003

OB0046

   The one-second resolution geomagnetic field data are useful in various research fields such as geomagnetic pulsation, crustal resistivity, etc..  However, it is still not so convenient to use such high-time resolution data on-line because of the limitation in network transfer speed.

   This CD-ROM contains the one second resolution geomagnetic field data observed at Kakioka Magnetic Observatory located at (Geographic Latitude, Geographic Longitude) = (36.23, 140.19). The data have been supplied to the World Data Center for Geomagnetism, Kyoto for public use. The latest data are available from the data center through WWW on-line service (http://swdcwww.kugi.kyoto-u.ac.jp/).

   Three magnetic components (H, Z and D) are measured by the fluxgate magnetometer every second with 0.01nT resolution. The values are derived using provisional base line values. For more information, please refer "Report of the Kakioka Magnetic Observatory".

   The data on this CD-ROM are written with 2-byte binary integer usually used in the UNIX system on most work stations.  We need to exchange the order of the two (i.e.,  upper and lower) bytes when we use the data with PCs (i.e., DOS, LINUX, WINDOWS etc.). The sample program on this CD-ROM written in C and FORTRAN language can be used in most systems. A plot program (plot.exe) on PC which create a Post Script file is also included on this CD-ROM. The 'quick_viewer' directory contains a Setup program for Windows95.  This software was developped by Dr. Y. Sanoo at Asahi University. To install it, change the current directory to the 'quick_viewer' directory and double click the 'Setup' icon. (Note; These softwares are available only for the data from Kakioka.)

   The directory and file structure in this CD-ROM is as follow:

             readme.txt

             format.txt

             sample.c

             sample.f

             plot.exe

             quick_viewer - Setup

             2002 --------- kak0201.sec

                        ...........

                        ...........

                     ˇˇkak0212.sec

             2003 ---------kak0301.sec

                        ...........

                        ...........

                   ˇˇ   kak0312.sec

 

   When you publish the results by using the data on this CD-ROM, please acknowledge to the Kakioka Magnetic Observatory.

             January 14, 2004

            World Data Center for Geomagnetism, Kyoto :

** Note **

   When you publish any results using the data, please send a reprint or a copy of the article to the following address:

       Kakioka Magnetic Observatory

       Kakioka 595

       Niihari-gun, Yasato-machi

       Ibaraki 315-0116

       Japan

 and also to:

       World Data Center for Geomagnetism, Kyoto

       Graduate School of Science

       Kyoto University

       Kyoto 606-8502

       Japan

Acknowledgment:

   Support for the production of SPACE-W Database was provided by grants in aid from the Japan Society for Promotion of Science (JSPS).