Synopsis of DBEDIT control language ( 2001.07.11 )
                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 
$Input_Source
     {Mark3_Directory <path_name>}
     {DEC_Directory <path_name>}
     {Mark4_Directory <path_name>}
     {Database <(keyname)>}
$Input_Filter
     {Primary_elim  {[H  [C or F or E or S or Q or N]] or
                     [L  [D or R or N]]                   }
     {Duplicate_elim  {[H  [C or F or E or S or Q or N]]  or
                       [L  [D or R or N]]                    } }
     {Scan_check [YES or NO]}
     {Sort [T or B or S or N]}
     {Channels [<(integer 0-28)> <(integer 0-28)>]}
     {Time_Window  {[earliest or <time_specifier>]
                    [latest   or <time_specifier>]} }
     {Username  <name>}
     {Rejects_Path <pathname_of_rejects_file)> }
     {Save_TimeRejects  {<pathname_of_rejected_files>} }
      Aprioris    [YES or NO or <skeleton_database_keyname>]
      UT1-PM      [YES or NO or <path_to_UT1PM_file>]
      Ephemeris [YES or NO or <database_name>]
     {Input_lcode <lcodes_file>}
     {NoInput_obser [<file_name> or NO]}
$Substitutes
     {Star  {<star_name_pair> ...} }
     {Site {<site_name_pair>  ...} }
$Output_Database
     {DB_Format <format_name>}
      Database  [(N <keyname>) or (G <letter>) or (I <keyname>) or
                 (O <keyname>) or - ]
     {History  <history_text>}
      Band [A or X or S]
     {Time_Window [earliest or <time_specifier>]
                  [latest or <time_specifier>  ] }
     {Site-Star_Cat <(pathname_of_site/source_catalog)> }
     {Del_Base <baseline> ... }
     {Del_Site <station_name> ... }
     {Del_Star <source_name> ... }
     {Inc_Base <baseline> ... }
     {Inc_Site <station name> ... }
     {Inc_Star <source_name>  ... }
     {NoOutput_lcode [<lcodes_file> or NO]}
     {Calc {HIST <calc_history_text>}
           {(<calc_keyword_setup> <value>) ... }
           {RUN }
           {FILE <calcon_filename> }
     }
$EOF
 
Notation:
~~~~~~~~~
 
   The symbols used to describe the control file's syntax have the following
meanings:
 
     {}  - contents of braces are optional
     []  - contents of brackets are mandatory
     or  - separates exclusive choices in a []
     ()  - no significance -- groups phrases for clarity
     ... - previous object may be repeated
 
     *   - before a keyword means that it is obsolete feature and not
           recommended for use
 
 
Contact:
~~~~~~~~
 
Questions and comments about this guide should be directed to:
 
Leonid Petrov ( pet@leo.gsfc.nasa.gov )