he saw : remote network services available current workfiles last modified r/research10/02/89 p/production10/05/89 f/field rec 10/09/89 m/maintenance 11/12/89 a/administration 11/11/89 stored datafiles rl/research ( av-ad ) 11/01/89 r2/research ( gd-99 ) 11/12/89 p/production ( fd-fn ) 11/09/89 video network a , 1-20 ccd ndc .