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Topic: Nautical charts

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In the News (Tue 25 Jun 19)

 Nautical Charts - Charts & GPS   (Site not responding. Last check: 2007-10-07)
Ninety-nine percent of NOAA nautical charts are on the North American Datum of 1983 which, for charting purposes, is considered equivalent to WGS 84.
The accuracy of a nautical chart is also dependent upon the accuracy with which its underlying data was collected and plotted on the final drawings and manuscripts used to print the finished chart.
NOAA has specified the accuracy for its nautical charts in terms of the accuracy with which features are plotted on the chart from their original surveyed position.
www.nauticalcharts.com /chartsGPS.htm   (832 words)

 Nautical chart -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-07)
A nautical chart is a graphic representation of a (Click link for more info and facts about maritime) maritime area and adjacent (The area within view) coastal regions.
Nautical charts are based on (Click link for more info and facts about hydrographic survey) hydrographic surveys.
Nautical charts are issued by the national (Click link for more info and facts about hydrographic office) hydrographic offices in many countries.
www.absoluteastronomy.com /encyclopedia/n/na/nautical_chart.htm   (486 words)

 All about Nautical Charts   (Site not responding. Last check: 2007-10-07)
A chart shows the nature and form of the coast, the depths of the water and general character and configuration of the sea bottom, locations of dangers to navigation, the rise and fall of the tides, locations of man-made aids to navigation, and the characteristics of the Earth's magnetism.
The update cycle for nautical charts is as often as every 6 months or as infrequently as 12 years for remote areas.
Although new technologies can help recreational boaters navigate safely by providing electronic charts and GPS positioning information in a simple and inexpensive manner, it is the obligation of a boater who is navigating to do so by all means available, which means checking that electronic fix the old fashion way, using a nautical chart.
great-circle.com /navigation/charts.htm   (1123 words)

 Charts   (Site not responding. Last check: 2007-10-07)
Nautical charts have several parallels of latitude and meridians of longitude marked on the chart at convenient locations for use in plotting.
The shoreline is represented on nautical charts as a solid line with the land portions shaded.
Because of the scale of your chart, it's symbol is larger than the aid actually is, and the exact location is generally within a small circle placed at the base of the symbol.
home.att.net /~agligani/navigation/charts.htm   (1673 words)

 Nautical Charts and DGPS - A warning from NOAA   (Site not responding. Last check: 2007-10-07)
It is important to note that all paper chart accuracy cautions apply to the raster charts (or other electronic charts based on paper charts) when used with GPS for navigation.
Navigators should be aware of all the factors that may affect the use of GPS positions when plotting on nautical charts.
Based on this knowledge, the prudent mariners should pass charted hazards such as shoals or isolated dangers with utmost caution and at a safe distance, no matter what navigational method is used.
www.boatwashington.org /nautical_charts_and_dgps.htm   (1229 words)

 Vintage Nautical Charts
The charts were recently found in an attic of a home in Rhode Island, together with a log book of a voyage taken by the USS Nordic, a minesweeper, in the summer of 1942 from Sandy Hook, N J, through the Intercoastal Waterway to Pensacola, FL.
There are 51 of these charts, and their geographical range follows the Atlantic coast route of this voyage.
To display these charts, where they would normally be framed with the edges tucked under the frame molding, it might be interesting to frame these in a floating style that shows their character and imperfections and let the charts tell their story.
www.chalk-vermilion.com /vintatge_chart_press.html   (293 words)

 Nautical Chart Basics
Perhaps you are not yet a navigator, but a chart onboard allows you to compare what you are seeing with what you should be seeing and can help you keep your bearings.
Nautical charts are different from maps in that they specifically depict water areas, while maps concentrate on land area, roads, landmarks, etc. Land areas and features on charts are sketchy and are noted only for their interest to the boater.
Chart #1 is a collection of all the symbols found on nautical charts.
www.boatsafe.com /nauticalknowhow/chart101.htm   (1709 words)

 Nautical Chart   (Site not responding. Last check: 2007-10-07)
It's a form of nautical chart that's reduced in scale and divided into a series of pages yet retains the information of a full-scale nautical chart.
The Mercator projection is universally used in nautical charts (there are however some exceptions for very large or small scales).
Since the Mercator projection is conformal, that is, angles in the chart are identical to the corresponding angles in nature, directions may be entered into and taken out of a chart with a minimum of conversion.
www.wikiverse.org /nautical-chart   (424 words)

 Navigational Charts - Office of Coast Survey   (Site not responding. Last check: 2007-10-07)
A Nautical Chart is a graphic portrayal of the marine environment showing the nature and form of the coast, the general configuration of the sea bottom including water depths, locations of dangers to navigation, locations and characteristics of man-made aids to navigation and other features useful to the mariner.
The importance of Nautical charts is evident with over 98% of the nation’s cargo carried by waterborne transportation.
The POD charts are updated continuously with Notice to Mariner corrections, and are available four to six weeks prior to the traditional paper chart for new edition printings.
chartmaker.ncd.noaa.gov /staff/charts.htm   (467 words)

 Nautical Charts from Omni Resources, world leader in map supply.
NGA nautical charts for Region 4 - Scandinavia, northern Russia.
NGA nautical charts for Region 5 - Western Africa, the Mediterranean & Black Sea.
NGA nautical charts for Region 9 - Eastern Asia, southeastern Russia, Philippines.
www.omnimap.com /catalog/int/nautical.htm   (268 words)

 UW Libraries - Nautical and Aeronautical Charts   (Site not responding. Last check: 2007-10-07)
Aeronautical charts are similar to nautical charts, except that their function is to aid pilots of aircraft.
Washington State (historic): Historic Nautical Charts for Washington State, 19th and Early 20th Centuries is a numbered list of the UW Map Collection's historic nautical charts with index maps showing exactly where each chart can be found in the Map Collection.
Nautical charts are filed in the map cases directly beneath the sign for nautical charts which is hanging from the ceiling.
www.lib.washington.edu /maps/nautical2.html   (679 words)

 Charts, Publication & Tables - Nautical Charts   (Site not responding. Last check: 2007-10-07)
Nautical charts are published primarily for the use of the mariner, but serve the public interest in many other ways.
Users are requested to report all significant observed discrepancies in and desirable additions to NOS nautical charts, including depth information in privately maintained channels and basin, obstructions, wrecks, and other dangers; new landmarks or nonexistence or relocation of charted ones; uncharted fixed private aids to navigation; and deletions or additions of small craft facilities.
Announcements of new editions of nautical charts are usually published in the Local Notices to Mariners and NIMA Notice to Mariners.
www.towboatcapecod.com /Chartnc.htm   (514 words)

 Canadian Hydrographic (Nautical) Charts   (Site not responding. Last check: 2007-10-07)
Below is an index of nautical charts on paper, or complete a request if you would like us to send you a paper index.
Charts are necessary for providing detail of the water for owners of any type of boat.
Nautical charts include information about the depth of water, obstructions and other dangers to navigation, and the location and type of aids to navigation.
www.fedpubs.com /charts.htm   (439 words)

 map world globes maps nautical charts and gps > All The Maps
Nautical Charts from Omni Resources, world leader in map supply.
Nautical Charts for the World, Buy an international nautical chart...
If you are looking for a world nautical chart, you've found the right page.
www.lacc-nepal.com /maps-world/map-world-globes-maps-nautical-charts-and-gps.html   (361 words)

 GPS/DGPS Made Easy - Nautical Charts
If charts or maps are not available, you may relate your present position to objects around you and use this correlation to return to backtrack to previous positions.
A nautical chart, a pair of dividers or compass (divider with pencil) and a straight edge (ruler) are essential tools of safe navigation.
A nautical chart is a map of water areas and adjoining land which is intended primarily for marine navigation.
www.ccg-gcc.gc.ca /dgps/guide/guide5_e.htm   (943 words)

 Nautical Charts - Columbia University Libraries
The National Imagery and Mapping Agency nautical charts and publications public sale booklets are useful for locating the chart numbers and are located on the shelf beside the main entrance to the map room.
Nautical charts can then be found by numerical order in the nautical chart cabinets.
Nautical charts were designed for navigation and must be kept current with changes listed in the weekly Notice to Mariners in order remain accurate.
www.columbia.edu /cu/lweb/indiv/maps/nautical.html   (182 words)

 Karta Mira homepage
For the paper nautical chart this means that the chart publishers and sellers, as well as the users, after buying the chart, are expected to keep the chart up to date with the latest information.
One of the biggest differences to realize between the nautical chart and the topographical map is that dangers mentioned on the topographical maps are visible to the naked eye in the real world.
The electronic nautical charts proposed by the IHO are in a structured standard format DX-90, which may not be changed for commercial purposes.
cartography.geog.uu.nl /kartamira/papereric.htm   (743 words)

 Finnish Maritime Administration   (Site not responding. Last check: 2007-10-07)
The renewal began with the Gulf of Finland and Archipelago Sea coastal charts in the scale of 1:50 000.
In 2004 the coastal charts for the Gulf of Bothnia and the small craft chart folios for the Gulf of Finland were renewed.
Existing traditional nautical charts will be updated during the transition period, and will exist in tandem with the modernised charts.
www.fma.fi /e/services/charts   (178 words)

 NOAA Home Page - Charting & Navigation Theme Page
Nautical charts essential for navigating all U.S. coastal waters, the Great Lakes and the U.S. territories.
The collection includes some of the nation's earliest nautical charts, hydrographic surveys, topographic surveys, geodetic surveys, city plans and Civil War battle maps.
Raster Nautical Charts - The NOAA Office of the Coast Survey provides a complete spatial index of nautical charts for the U.S. and its territories.
www.noaa.gov /charts.html   (1135 words)

 Nautical Charts-Earth Sciences & Map Library-University of California, Berkeley
The Library collects Nautical charts not primarily for their navigational information, but rather because they show coastal features and bathymetry.
Information on purchasing U.S. nautical charts can be obtained from the NOS Office of the Coast Survey which also provides digital access to some of their historic maps and charts.
Except for pre-1800 charts, and those of the Pacific Coast of North America issued prior to 1875, foreign government charts are collected only when no U.S. chart of an area is available.
www.lib.berkeley.edu /EART/tour/nautic.html   (829 words)

 Nautical Chart, buy nautical charts from Map Town Ltd.
Nautical Chart, buy nautical charts from Map Town Ltd.
Hydrographic charts of Alberta Lakes produced by the Government of Alberta.
Coastal and Offshore Skipper is designed to to prepare the student for the theoretical exam of the coastal and offshore skipper licence.
www.maptown.com /nauticalcharts.html   (234 words)

 InfoDome - Nautical Charts
Nautical charts were designed for navigation, but must be kept up to date with any changes listed in the weekly Notice to Mariners in order to be accurate.
Nautical charts are located in the Map Collection, which is located in the Reference Services Division (1st floor, Library Addition).
The nautical charts collected by the library are produced by two separate government agencies.
infodome.sdsu.edu /research/guides/maps/nautical.shtml   (405 words)

 Using Nautical Charts with Global Positioning System
In other words, the chart being used may contain unintentional errors due to limitations of the technology used at the time of data collection, which in many cases is a generation or more in the past.
Some US charts that are not currently based on WGS 84 datum include a note that specifies the necessary adjustment in position to correctly place a WGS 84 position on the chart.
Unlike topographic line maps, nautical charts are not published with consistent scales (such as at 1:50,000 or 1:100,000), but are scaled individually for the best use in navigating a particular area.
pollux.nss.nima.mil /index/uncon/dnc_gps   (1656 words)

 Nautical Charts
Nautical Charts show the nature and shape of the coast, depths of water, general configuration and character of the bottom, prominent landmarks, port facilities, aids to navigation, marine hazards, and other pertinent information.
The date of a nautical chart is critical to the boater.
NOS nautical charts may be purchased either directly by mail from the NOS Distribution Branch or through an authorized agent.
www.uscgboating.org /safety/fedreqs/op_charts.htm   (226 words)

 OceanGrafix - Print-On-Demand Nautical Charts about   (Site not responding. Last check: 2007-10-07)
OceanGrafix is dedicated to providing printed navigational nautical charts and other related products that are up-to-date at the time of printing and shipped immediately.
The pilot phase was designed to develop and test, in conjunction with selected chart agents, products, methods, materials, software and a sales program to support the launch of Print-on-Demand nautical charts.
OceanGrafix currently produces up-to-date nautical charts, available through a vast chart agent network that is continually expanding.
www.oceangrafix.com /about.html   (223 words)

 Nautical Charts CD-ROM
Nautical charts on CD-ROM offer a user-friendly, portable and cost-effective means of obtaining charts for a large area.
In order to ensure up-to-date charts, NDI will introduce a new online monthly updating service, and the licensed user will be able to subscribe to and receive the monthly updates of affected charts as such updates are released by CHS and NDI.
These charts are compatible with most popular navigation software on the market, enabling the user to integrate the charts with a GPS to watch your boat move across the screen in real-time.
www.fedpubs.com /mpchrt/charts/chartcd.htm   (531 words)

 Nautical Charts: Origin of Prime Meridan   (Site not responding. Last check: 2007-10-07)
Until such a time, they suggested a variety of ways of estimating the difference in time between the starting point (prime meridian) and where they were, including the path of the solar eclipse.
Latitude scale on a 1516 nautical chart, drawn, as was the custom, on the prime meridian (starting point for measuring longitude).
As nautical charts increasingly became produced in England sailors began to use both Portuguese and English standards.
www.ruf.rice.edu /~feegi/chart2.html   (212 words)

 Waterproof Charts - Marine Navigation Nautical Charts
Developed in 1984, ISS was the first company to successfully reproduce government paper charts on waterproof, tearproof, synthetic paper.
Carefully and accurately plotted on each chart are dozens, often hundreds of proven positions for reefs, wrecks and other fish holding features.
As the primary chart for a day of boating or a back-up to an on-board plotter, the economical BackWater Charts are the perfect solution.
www.waterproofcharts.com /styles.htm   (370 words)

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