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Subject: Re: NAV-L] Closest point of approach.
From: Carl Herzog (CarlZog@XXX.XXX)
Date: Fri Aug 11 2000 - 12:41:21 EDT
Chuck Taylor wrote:
> On Navy ships at least some of the radar screens are set up so that you can plot
> CPA's directly on the screen using a grease pencil. (At least they used to
> be.)
I believe ARPA has made Maneuvering Boards and grease pencils obsolete in most of
the Navy and merchant marine. However, for vessels with inexpensive
non-ARPA-equipped radars (recreational, fishing, sail training, etc.), a maneuvering
board and the skills Chuck described remain essential.
Carl Herzog
Editor, Reed's Nautical Almanacs
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