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    FW: Hills and dips on the oceans?
    From: Doug Royer
    Date: 2003 Aug 18, 18:36 -0700

    >  -----Original Message-----
    > From:         Royer, Doug
    > Sent: Monday, August 18, 2003 18:35
    > To:   'navigation-l@listserve.webkahuna.com'
    > Subject:      Hills and dips on the oceans?
    > Hi guys,I made it back.I spent the last month at sea takeing a vessel
    > through the canal to Florida.An interesting trip that I will tell you
    > about sometime.Especially about the notice to mariners concerning piracy!
    > To answer David Hoyte's question of  08-14-03.No,No and No! I've never
    > heard of or was concerned with this phenominon that you guys have been
    > discussing.I've worked on the deck and bridge of some large vessels and
    > never heard of this.I've transitted the area of the Eastern Pacific off of
    > the South American coast and never had to take this phenomimon into
    > consideration.Same with the Western Pacific area and the Western
    > Atlantic.I've got 10's of thousands of miles on the water and always was
    > able to find the vessels way to or from places with out worrying about
    > this.There are more pressing things to worry about other than
    > gravitational dips. I'm not saying it doesn't exist.I'm saying it isn't
    > taken into consideration in my experiance.The routeing that I use is
    > called optimal routeing,weather routeing whichever you prefer to call
    > it.Get from point A to point B as fast as possible with the least
    > expenditure of money for the load one is carrying.One takes advantage of
    > or retreats from a weather system,ocean or tidal currents,heavy or light
    > weather to aid a transit.The only hills and dips I'm aware of are the
    > crests and troughs of 30-40 ft. waves in mid ocean.Don't kid yourself that
    > mid-ocean currents aren't strong.They surely must be taken into
    > consideration.The wind is a major concern in reguards to large vessel
    > routeing also.David,if you have specific questions concerning routeing
    > techniques contact me and I will try to answer them.
    > Bruce,how did your horizon experiment turn out?

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