The Unit's main objective is the continuous characterization and preservation of the astronomical conditions of the Observatorios de Canarias. It provides continually updated information to enable maximum possible advantage to be taken of the exceptional astronomical sky quality . It also ensures adequate communication internationally of these features of the Observatorios de Canarias .
GNSS Precipitable Water Vapour Monitors
The different optical paths followed by the signals coming from a constellation of GNSS (Global Navigation satellite systems; GPS, Galileo, etc) satellites are...