Name

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      EARTHRAD

Purpose

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      Return earth radius in specified units.

Category

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Calling Sequence

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      r = earthrad(units)

Inputs

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      units = Units for earth radius (def='radians'). in

Keyword Parameters

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Outputs

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      r = returned earth radius in requested units. out

Common Blocks

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Notes

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      Notes: Available units (use 2 letters min):
        'radians' Radians (default).
        'degrees' Degrees.
        'nmiles' Nautical miles.
        'miles' Statute miles.
        'kms' Kilometers.
        'meters' Meters.
        'yards' Yards.
        'feet' Feet.

Modification History

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      R. Sterner, 1996 Sep 03
  Copyright (C) 1996, 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.