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Topic: Nautical almanac


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 Search Results for "almanac"
Almanacs have been known in simple form almost since the invention of writing, for they served to...
...A primitive almanac or calendar, originally made of a "clog," or log of wood, with four faces or parallelograms, the sharp edge of each face or side was divided by...
The Nautical Almanac and Astronomical Ephemeris (usually abbreviated to the Nautical Almanac),...
www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=&query=almanac   (240 words)

  
 History of the AA Department   (Site not responding. Last check: 2007-10-13)
An extract of this, The American Nautical Almanac for 1855, was issued for mariners.
In the 1970s the Nautical Almanac Office began exploring means for presenting astronomical data in computerized formats.
The Nautical Almanac Office, with a staff reduced by a factor of five, became a division within the Astronomical Applications Department whose sole responsibility was the preparation of the printed almanacs.
aa.usno.navy.mil /about/staff/docs/history.html   (1246 words)

  
 Encyclopedia: Nautical Almanac Office
HMNAO is responsible for producing the annual volumes of The Astronomical Almanac, The Nautical Almanac, Astronomical Phenomena, The Star Almanac and The UK Air Almanac in the United Kingdom.
The history of the Nautical Almanac Office and its role in the story of navigation at sea.
Because of the high regard in which he was held internationally and with the full cooperation of D. Sadler, superintendent of H.M. Nautical Almanac Office, he was able to convince the naval administration that it was to everyone's benefit to unify the British and American air almanacs.
www.nationmaster.com /encyclopedia/Nautical-Almanac-Office   (347 words)

  
 Nautical Almanac - Rooting for the Microbes (Load)
The music of Nautical Almanac emerges from Diamond Eyes recording studio in bursts of obscure gestures and willfully inexplicable language.
The music of Nautical Almanac is truly outsider art, and not the type that was long ago co-opted by the mainstream art world for the curiosity of the privileged.
Armed with their voices and an array of instruments and implements (Nautical Almanac explicitly state, however, that the album was made completely sans electricity/computers), they create confusing constructions of mangled sounds and warped voices.
www.fakejazz.com /reviews/2004/nauticalalmanac.shtml   (541 words)

  
 Welcome to Ships and Cruises - Special Cruises - Nautical Almanac - Nautical Lexicon
Knot: A unit of speed measuring one nautical mile (6,076 feet or 1,872 meters) per hour and it is about one/eighth longer that the statue mile of 5,280 feet.
A nautical mile is equal to one/sixtieth of a degree of the earth’s circumference.
At the Equator, one minute of longitude is equal to one nautical mile but as the meridians converge after leaving the equator and meeting at the poles, the size of a degree becomes smaller.
www.shipsandcruises.com /nautical_lexicon.htm   (1882 words)

  
 Nautical Almanac History   (Site not responding. Last check: 2007-10-13)
The familiar orange book, the Nautical Almanac, along with the chronometer, the sextant, a steady hand and a keen eye, are the resources needed to navigate by the stars.
The Nautical Almanac has been published separate from its parent publication in the UK since 1914, and in the U.S. since 1916.
Initially the almanacs provided the data required for the method of lunar distances, a technically demanding and mathematically complex method of determining longitude before the invention of accurate clocks for shipboard use.
aa.usno.navy.mil /publications/docs/NewNAHistory.htm   (447 words)

  
 Nautical Almanac Commercial Edition
The Almanac is needed for the actual practice celestial navigation, but you do not need this to work the home study course on celestial navigation.
The Almanac is published once a year and it is most convenient to use an up to date copy.
The Nautical Almanac is actually a joint publication of USNO and the British counterpart called Her Majesty's Nautical Almanac Office.
www.starpath.com /catalog/books/1844.htm   (320 words)

  
 Nautical Almanac Office 1975-1996   (Site not responding. Last check: 2007-10-13)
The Air Almanac was reduced from three to two volumes per year in 1977 and from two to one in 1987.
In 1981 a reformated and single publication,"The Astronomical Almanac", replaced "The Astronomical Ephemeris" published in the U.K. and "The American Ephemeris and Nautical Almanac' published in the U.S. The bases for the publication were changed in 1984.
The Floppy Almanac was introduced in 1986 and MICA was introduced in 1993.
www.aas.org /publications/baas/v29n5/aas191/abs/S001005.html   (180 words)

  
 Astronomy and Navigation books, Balogh International Inc., The Stationery Office, HM Nautical Almanac Office, Nautical ...
The principles behind celestial navigation occupy a large part of the Manual, whilst chapters are also dedicated to the Nautical Almanac, use of the sextant, errors in position lines and NavPac and Compact Data 2006-2010.
It is fully comprehensive, containing a set of concise sight reduction tables for the navigator, together with all the necessary information needed for use in determining the position at sea from sextant observations.
Key features: Prepared jointly by HM Nautical Almanac Office and the Nautical Almanac Office of the United States Naval Observatory, to meet the requirements of the Royal Navy and the US Navy; Essential for astro-navigation, used by many of the astro-teaching courses.
www.balogh.com /british/astnav.html   (1480 words)

  
 Christian Churches of God HMNAO Overview
The following information was provided by Her Majesty's Nautical Almanac Office (to whom we are indebted for the provision of precise astronomical data) and is current as at June 1997.
HMNAO produces almanacs and astronomical data of all kinds for a wide spectrum of users, including professional and amateur astronomers, navigators, surveyors, the armed services, the legal profession, diary and commercial almanac producers, architects, religious groups, schools, photographers and film units.
All almanac production is designed, wherever possible, to run automatically and all data are thoroughly checked before publication in order to maintain the high standards of the almanacs.
www.logon.org /english/O/utils/hmnao.html   (735 words)

  
 The Naval Observatory Table Printer
Columbia University Astronomy Professor Wallace Eckert spent the wartime years at the US Naval Observatory, where he was put in charge of the Nautical Almanac Office in order to "computerize" it for rapid and massive production of accurate almanacs for air and sea navigation by Allied forces and shipping.
One of the reasons they vary is that in the past the nautical almanac was designed for the earth and the air almanac was designed for the air.
Millions of Eckert's Air Almanacs were printed and used by the Army, Navy, and commercial flyers without one complaint as to legibility or accuracy [84].
www.columbia.edu /acis/history/tableprinter.html   (1161 words)

  
 HM Nautical Almanac Office - Wikipedia, the free encyclopedia
The HM Nautical Almanac Office (HMNAO), now part of the Rutherford Appleton Laboratory, near Abingdon in Oxfordshire, was established in 1832 on the site of the Royal Greenwich Observatory (RGO), where the Nautical Almanac had been published since 1767.
In 1937 it became part of RGO and moved with it, first to Herstmonceux, near Hailsham in East Sussex in 1948, then to Cambridge in 1980.
The Astronomical Almanac (jointly with the United States Naval Observatory)
en.wikipedia.org /wiki/HM_Nautical_Almanac_Office   (213 words)

  
 Lunars in the old Nautical Almanacs   (Site not responding. Last check: 2007-10-13)
The almanacs were the first viable solution to the problem of navigating safely and efficiently across the world's oceans, and the Nautical Almanac is still being published even today.
Beginning in 1834, the lunar distance tables in the Nautical Almanac were updated reflecting improvements in calculations of ephemeris data for the planets and changes in time standards.
The lunars tables were not dropped from the US "American Ephemeris and Nautical Almanac" until 1912, a few years after they were eliminated from most other almanacs worldwide.
www.clockwk.com /lunars/na.html   (415 words)

  
 Celestaire, Inc.: Nautical Almanac 2006 (Commercial Edition)
The Nautical Almanac is the cornerstone for all sight reduction.
Even when this is the case, the Nautical Almanac also contains other data such as sunset, twilight, star diagrams, and unusual celestial phenomena, that make it a good book to have available.
The Nautical Almanac lists the positions of the sun, moon, stars, and planets that are used for navigation.
www.celestaire.com /catalog/products/2006.html   (212 words)

  
 "The Online Nautical Almanac" FAQ
But since they don't change from year to year, you can use an old almanac or do the interpolations with a pocket calculator.
You may use an old almanac for the Sun's meridian passage calculations, because this table is almost unchanged from year to year.
In order to print your almanac pages, you have to use a non-proportional font (a font with fixed pitch).
www.tecepe.com.br /nav/TheOnlineNauticalAlmanac.htm   (603 words)

  
 World War II American Air and Nautical Almanacs
Under Eckert's guidance, the Air Almanac went through three stages: the 1941 issue (the first regular issue) was printed in the traditional manner, with hand-set movable type; the 1942-45 issues were printed directly on a modified IBM 405 accounting machine, and the 1946 and subsequent issues (through at least 1950) were printed on a
Eckert's Air and Nautical Almanacs were used by all American air and sea forces for navigation in both the Atlantic and Pacific theatres, as well as by civil aviation and commercial shipping.
The other major allies, Britain and the USSR, it seems, produced their own air and sea almanacs, rather than sharing, despite the hardships (Britain was bombed by Germany from 1940, and the USSR was invaded in 1941).
www.columbia.edu /acis/history/almanac.html   (1303 words)

  
 Nautical Almanac for offshore sailors : Pangolin Communications
The Offshore Almanac is a comprehensive nautical almanac providing a wealth of reference data for self sufficient offshore navigation.
Also, if your almanac happens to expire while you are away, getting a timely replacement may not be easy.
With the Offshore Almanac you need only print the pages you are likely to use and for cruising, its long term coverage means that you don't have to wait until the official version is published.
www.wrengco.f9.co.uk /almanac.htm   (340 words)

  
 The US Naval Observatory 1940-45
Columbia University Astronomy professor Wallace Eckert was appointed USNO Head Astronomer and Director of the USNO Nautical Almanac Office in 1940, and remained in that position until 1945 when he returned to Columbia to found the Watson Scientific Computing Laboratory.
The Nautical Almanac was produced only once a year and the existing staff was capable of keeping up the pace using their timeworn methods.
Eckert quickly equipped the Nautical Almanac office with IBM punched-card equipment (a 405 Tabulator, a 601 Multiplying Punch, plus various sorters, summary punches, etc) and hired people who could take advantage of it.
www.columbia.edu /acis/history/navalobservatory.html   (950 words)

  
 Sailing Books Ltd. : Almanacs and Reference
This full colour almanac offers the cruising and racing yachtsman ready access to essential data in a clear layout and its wire binding allows it to open flat on the chart table.
This Almanac covers the east coast from Ramsgate to Cape Wrath including the Shetland and Orkney Islands, plus Dunkerque to Hookseil and Helgoland, and includes extensive coverage of smaller ports with additional chartlets.
The Imray Mediterranean Almanac is an indispensable and economical reference for yachts on passage in the Mediterranean and is an ideal companion to the detailed Imray pilot books for the area.
www.sailingbooks.co.uk /trolleyed/46/index.htm   (1226 words)

  
 Navigation Worksheets   (Site not responding. Last check: 2007-10-13)
An old almanac can be used for increments and corrections, refraction, dip, and lunar altitude corrections with no loss of accuracy.
An old almanac can also be used for sunrise and sunset, but not moonrise, moonset, or lunar phases.
Unlike the usual nautical almanac, my version needs the "v" correction to be applied to the sun for best accuracy.
www.jsward.com /navigation/index.shtml   (544 words)

  
 Reference.com/Web Directory/Top/Reference/Almanacs
Almanac Online - Companion to National Public Broadcasting's award-winning radio and television programs: art, music, history, and current events.
Her Majesty's Nautical Almanac Office - Produces the Astronomical Almanac, the Nautical Almanac, Astronomical Phenomena, the Star Almanac and the UK Air Almanac.
The Almanac News - A source for local news for citizens of Palo Alto and Mountain View communities.
www.reference.com /Dir/Reference/Almanacs   (192 words)

  
 nautical books, sailing books, cruising stories, sailing log books, boat builder books, nautical almanac, boat books, ...   (Site not responding. Last check: 2007-10-13)
Nautical books sailing and lighthouse prints and more.
Books on every topic: boat repair, log books, boat design, celestial navigation, naval history, lighthouse history, high-seas adventure, nautical fiction, and a complete line of nautical reference.
It lists the positions of the sun, moon, stars and planets that are used for navigation.
www.paracay.com /nauticalbooks   (210 words)

  
 Starpath Perpetual Almanac
The same almanac program we use in our StarPilot software programs and home-study courses is now available as a stand-alone program.
Needless to say, we recommend a hardcopy of the Nautical Almanac if you are relying upon celestial navigation underway, but if you have a computer onboard this simple program will provide a wonderful backup to a lost or out of date book.
The results have the same accuracy and precision as quoted in the print version of the Nautical Almanac.
www.starpath.com /catalog/software/1811.htm   (305 words)

  
 [D21] FW: [Seo-l] 2004 Nautical Almanac Altitude Correction Tables   (Site not responding. Last check: 2007-10-13)
Naval Observatory has confirmed to the Offshore Navigation Committee that the values for Altitude Corrections in the 2004 Nautical Almanac have been slightly revised from earlier years.
The pre 2004 Altitude Correction pages, except for page A4, are included in the "Excerpts from the 199X Almanac" in both the JN and N course material.
Sight Folders should use the Altitude Corrections from the Nautical Almanac for the year in which the sight was taken.
www.usps.org /pipermail/d21/2004-April/000100.html   (478 words)

  
 Reed's Nautical   (Site not responding. Last check: 2007-10-13)
Adlard Coles Nautical would like to apologise for the incorrect printing of page 400 of the Reeds PBO Small Craft Almanac 2006.
Reeds Almanacs are the market leading yachting reference books and are regarded as the most essential navigational tool by yachting’s official governing bodies through to the sport’s superstars.
endorses Reeds Almanacs as their foremost teaching aid, and they are used extensively for all RYA Day Skipper through to Yachtmaster Ocean courses.
www.reedsalmanac.co.uk   (377 words)

  
 Astronomy and Geography vs. Navigation: Defining a Role for an American Nautical Almanac, 1844-1850   (Site not responding. Last check: 2007-10-13)
Maury apparently envisioned a nautical almanac, as its name implies, as being used solely by navigators, and he argued that American ships, both naval and maritime, should not have to rely on the almanacs produced by Great Britain and other European nations.
Whether the newly authorized Almanac should be produced for navigators or for astronomers and geographers was hotly debated in late 1849 and early 1850 after Davis proposed using, primarily for the benefit of the latter group, an American prime meridian as the basis for the Almanac's tables.
This debate ultimately led to the Almanac, for many years, having separate sets of tables based on the Greenwich prime meridian (favored by navigators) and on a prime meridian passing through the Naval Observatory.
www.aas.org /publications/baas/v29n5/aas191/abs/S001004.html   (246 words)

  
 Rescission of CG Acceptance of Reed's Publications   (Site not responding. Last check: 2007-10-13)
G-LMI, determined that Reed’s Nautical Almanac, together with Reed’s Nautical Companion may satisfy the requirements found in 46 CFR 28.225 and 33 CFR 164.72 for both tide tables and tidal current tables, provided the information is obtained from the National Ocean Service (NOS) data.
Annotated or abridged versions such as those published in the Reed's Nautical Almanac, together with Reed's Nautical Companion do not meet this definition and therefore are not permitted under 46 CFR §28.225.
G-LMI, also, determined that Reed's Nautical Almanac, together with Reed's Nautical Companion may satisfy the requirements found in 46 CFR §28.225 and 33 CFR §164.72 for both tide tables and tidal current tables, provided the information is obtained from the National Ocean Service (NOS) data.
www.uscg.mil /d14/units/msohono/fishvsl/reeds.htm   (813 words)

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