... Use of the AO is available on an equal, competitive basis to all scientists from throughout the world to pursue research in radio astronomy, radar astronomy and atmospheric sciences. ... Table: Basic Information on the AO Site and the 305-m Telescope . ... Those requiring more details of the instruments available for such studies are directed to http://www.naic.edu/~pradar/pradar.htm for planetary radar studies, and http://www.naic.edu/aisr/sas/sashomeframe.html for atmospheric physics. ...