Page 12: of Offshore Engineer Magazine (Mar/Apr 2013)
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EDITORIALEDITORIAL
Editor
Nina Rach [email protected]
Geosciences Editor
Eyebrow
Andrew McBarnet Colloquy Colloquy Colloquy [email protected]
Nina M Rach
Senior Editor
Victor Schmidt [email protected]
Asia-Paci? c Editor
John Mueller [email protected]
Associate Editor
The epitome of
Audrey Leon [email protected]
Contributing Editors
Meg Chesshyre navigation
Bruce Nichols
Jennifer Leahy
Accurate and safe marine compass bearings,
ART navigation – monitoring and transits, leading
A
Production and Layout
Ian McInnes controlling the movement of a craft lines, and can also [email protected] from one place to another – is often be determined
CONFERENCES & EVENTS taken for granted in our industry. from leading and sector lights. The
Events Manager
Navigational techniques involve intersection of two LOPs is a single
Sandy Basler [email protected] locating the navigator’s position ‘? x,’ used to determine location.
Exhibition/Sponsorship Sales compared to known locations, Sadly, basic marine navigation
John F. Lauletta, Jr [email protected] critical for safe passage, precise skills fall outside most ordinary surveys, and exact placement of curricula. Mariner scouting
EDITORIAL ADVISORS
John Chianis,
Houston Offshore Engineering subsea structures. programs began to train youth
Susan Cunningham,
Noble Energy Earliest records of navigation in England and moved to the US
Marshall DeLuca,
Wison Floating Systems
Edward Heerema,
Allseas Marine Contractors as a science come from the Indus shortly thereafter; Sea Scouting in
Kevin Lacy,
Talisman Energy
Dan Mueller,
ConocoPhillips
Valley civilization, along the Indus America was founded in 1912, and
Brian Skeels,
FMC Technologies
River, which ? ows from the Tibetan the Mariner Girl Scout program
Plateau through India and Pakistan. of? cially began in 1934. The Sea
RR Donnelley & Sons,
Among the earliest navigation Scouts organization has been co-ed
Pontiac, Illilnois, USA tools are the mariner’s astrolabe since 1971.
(possibly in use as early as 1295),
SUBSCRIPTIONS/ re? ecting quadrant, octant, and Maritime academies
CUSTOMER SERVICE:
Rates $160/year – non-quali? ed requests sextant, and the medieval Portolan The Royal Observatory at
PO Box 47162 charts, navigational maps based on Greenwich was founded in 1675,
Minneapolis, MN 55447-0162, US
Tel (US/Can): +1 800 869 6882 compass directions and estimates of and in 1767, began to publish (International): +1 763 746 2790
Fax: (US/Can): +1 866 658 6156 observed distances. The Nautical Almanacand (International): +1 763 746 2785 Modern navigation relies Astronomical Ephemeris. It was email: [email protected] web: oedigital.com primarily on satellite positioning, or the ? rst almanac containing data on crossing lines of position (LOP) for the convenient determination
CIRCULATION:
Inquiries about back issues or delivery problems identi? ed on a nautical chart and of longitude at sea. Since 1958, Her should be directed to [email protected] by direct observation. LOPs include Majesty’s Nautical Almanac Of? ce
REPRINTS:
Both print and electronic reprints are available for
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