Japanese version is here .
The height and the location of Chacaltaya provide excellent conditions for detecting solar neutrons. In fact, the Chacaltaya telescope is 8 times more sensitive than the telescope at Mt. Norikura. Furthermore, the Chacaltaya telescope observes the sun when the Norikura detectors enter the night side. Installation of more telescopes is planned in order to cover the entire earth with a new network system. Research fields of Heliospheric Environment .