== Reference == === Abbreviations === ANSI American National Standards Institute AAS Amsterdam Airport Schiphol ANSI American National Standards Institute ATA Actual Time of Arrival ATC Air Traffic Control ATD Actual Time of Departure AUTOCAD Computer Aided Design Package Bpi Bytes per inch CGS Commissie Geluidhinder Schiphol; Complaint department at Amsterdam Airport Schiphol DXF Data Exchange Format (available from e.g. AUTOCAD) FAMOS Flight track monitoring system (LVB) FANOMOS Flight track and aircraft noise monitoring system (RLD/LI) Ft Foot Hz Herz ICAO International Civil Aviation Organization IFR Instrument Flight Rules Kb Kilo bytes Ke Kosten Noiseload unit Laeq LAeq Noiseload unit Lden Lnight LI Aeronautical Inspection Directorate of RLD LVNL Air Traffic Control LT Local Time MLU Mid-Life Update program of FANOMOS Mb Mega bytes NLR National Aerospace Laboratory NM Nautical mile NMT Noise Monitoring Terminal NOMOS NOise MOnitoring System (AAS) PC Personal Computer QNH Barometric pressure at mean sea level RLD Directorate-General of Civil Aviation SID Standard Instrument Departure SSR Secondary Surveillance Radar TMA Terminal Manoeuvring Area UNIX Operating system UTC Coordinated universal time VDU Visual display unit VFR Visual Flight Rules === Users and Permissions === To control the usage of a certain FANOMOS database, the names of valid users are stored in the database. Each user has a password to safeguard the database for unwanted usage. Furthermore, each user is granted a certain authorisation. Valid values are System Manager, Normal and Guest. This authorisation restricts the user in the usage of FANOMOS functions. The relation between the user authorisation value and the FANOMOS function that can be used is given in subsequent table. In more detail, not mentioned in the table, only System Manager authorisation allows changes in data to be made. {| border="1" | '''System manager''' || '''Normal user''' || '''Guest''' || '''FANOMOS Function''' |- | align="center" | '''X''' || align="center" | '''X''' || align="center" | '''X''' || Perform queries |- | align="center" | '''X''' || align="center" | '''X''' || align="center" | '''-''' || Modify user information |- | align="center" | '''X''' || align="center" | '''X''' || align="center" | '''-''' || Edit builtup areas |- | align="center" | '''X''' || align="center" | '''-''' || align="center" | '''-''' || Edit routes |- | align="center" | '''X''' || align="center" | '''X''' || align="center" | '''-''' || Track density calculations |- | align="center" | '''X''' || align="center" | '''X''' || align="center" | '''-''' || Track Statistics calculations |}
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