Yukinobu Koyama

iugonet metadata database upper atmosphere data analysis software udas dspace open data ionospheric conductivity model garbage 5374 arduino fpga data-intensive science javafx scholarly communications open science metadata idl geomagnetic observation spase hid デジタル地球儀 gpx tracking osm regional creation smart phone web application csv adc infra red touch panel digital globe hardware cpld vhdl identifier msis iri igrf infrastructure doi open search sru theodolite webgl virtual observatory