- retrieve the arc file for the event to be reviewed:
    db2file <config_file> <eventid>

- Arc file is written to the file pointed to by the ArcFileName
  option in the config_file.

- Modify the Arcfile by deleting picks or modifying pick times 
  and weights.

- To relocate, run hypoinverse:
    cd hypo
    hyp2000
      @ncal2000.hyp
      phs
      /tmp/ArcFile
      loc
      sto

- The resulting arc file is written to file hypo.arc.

- To re-insert the relocated event:
    file2db <config_file> <arc file name>

- To delete an event:
    delete_event <config_file> <eventid>


 
