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      Convert a file with range/bear pairs into lat/long.


Calling Sequence

      ell_rb2ll_txt, infile, outfile


      infile = Name of input file with range and bearing. in
        See note for format.

Keyword Parameters


        X=x, Y=y, PEN=p Returned lon, lat, pen code.
        /QUIET do not list results to screen.


      outfile = Name of output file with lat and long. out
        If this is a variable then the results are returned
        as a text array.

Common Blocks


      Note: The format of the input file is keyword/value pairs
      separated by =. Comments start with * as first char
      and along with null lines are ignored.
      A starting point must be given, then ranges and bearings.
      Each group of points must start with a label. Exmaple:
        label = 45 deg radial
        lat = 38.6565
        long = -76.5265
        range = 10.7 nm
        bearing = 60
        range = 13.5 nm
      Known units are: m, meters, yds, yards, miles, nmiles,
      ft, feet. May abbreviate.

Modification History

      R. Sterner, 2005 Jul 22
      R. Sterner, 2010 May 04 --- Converted arrays from () to [].
  Copyright (C) 2005, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.

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