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>  -----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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