About the Data Viewer Program

The Data Viewer Program enables visualization of the geomagnetic and geoelectric data included on the CD-ROM as listed below.

1-month plots of hourly values for each observatory 10-day plots of hourly values for the four observatories (KAK, MMB, KNY and CBI) Tables of hourly values Plots of 1-minute values Tables of geomagnetic storms

• 1-month plots of hourly values for each observatory

1-month plots of hourly values for individual observatories can be displayed as shown in the example below. The figure shows line graphs of the D, H, Z and F components of the geomagnetic field, the EW and NS components of the geoelectric field, and the vertical component of the atmospheric electric field. Bar graphs of K-indices are also displayed. Different colors are used for individual components and indices.

• 10-day plots of hourly values for the four observatories (KAK, MMB, KNY and CBI)

10-day plots can be used to compare observational data of from all four observatories at the same time, as shown in the example below. A different color is used for each observatory.

• Tables of hourly values

Hourly values from each observatory are tabulated for individual days as in the following example:

• Plots of 1-minute values

1-minute values from each observatory are plotted for individual days as in the example below. The figure shows line graphs of the D, H, Z and F components of the geomagnetic field.

• Tables of geomagnetic storms

A table of geomagnetic storms for each observatory (as shown in the example below) is displayed when 1-month plots of hourly values are created.