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    Re: Dr
    From: Thomas Schmidt
    Date: 1999 Feb 23, 2:09 AM

    Dan Hogan wrote:
    > In my hard drive double crash of '98 I lost most of my tips and hint
    > for Silicon Sea. If anyone has the definitions list please post it.
    > Any how from now on:
    >         DR = position based on distance = time x speed
    >         EP = DR plus the correction for current.
    Your wish is my command...
    > Subject: [Nml] Silicon Sea Navigation Glossary
    > Date: Sat, 4 Apr 1998 17:13:08 -8
    > From- "Dan Hogan" 
    > To: navigation@roninhouse.com
    > ALL Silicon Sea'ers:
    > The following is the glossary used for the Silicon Sea
    > navigation cruise problems. The names as used in the problems
    > assume these definitions.
    > Dan Hogan WA6PBY
    > "Gacha" Catalina 27
    > dhhogan@concentric.net
    >  **************************
    > Greenwich Mean Time(GMT)-- same as Universal Coordinated Time(UCT),
    >                                                    or ZULU Time.
    > True Course(TC)-- The direction to travel, from a point of departure
    >                   to a destination/waypoint, plotted on a chart in
    >                   relation to true north (of course meridians of
    >                   longitude run north).
    > Magnetic Course(MC)-- The true course corrected for variation.
    > Compass Course(CC)-- The magnetic course corrected for deviation.
    > Compass Course Made Good(CCmg)-- The compass heading with
    >                corrections for variation, deviation and current
    >                have been applied. Same as: COURSE TO STEER/COURSE
    >                STEERED, etc. Or whaever term your calculator or
    >                program uses for the course steered by the compass
    >                to a destination.
    > Compass Bearing-- A bearing taken with the ships compass.
    > Handbearing-- A bearing taken with a handheld compass.
    > Speed(S)-- The speed of the boat through the water. Knotmeter
    >                    reading, etc.
    > Speed Made Good(SMG)-- Speed corrected for the effect of current.
    > Set-- The direction to which the current is flowing.
    > Drift-- The speed of the current in Knots.
    > mi-- Nautical mile(s).
    > Dead Reckoning Position(DR)-- The position as calculated by
    >                               Speed/Time/Distance.
    > Estimated Position(EP)-- The DR corrected for the effect of
    >                                                  current.
      Thomas Schmidt                    e-mail  : schmidt@hoki.ibp.fhg.de
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