pilot chart การใช้

• He made sketches for the first pilot chart of the Gulf of Ob.
• Goldberg said studying the history of failed TV pilots charts a history of American culture.
• Continuing the popular musical theme, in 1963 the BBC recorded a pilot chart show, which Stewart produced.
• John McElroy was one of the first to attempt this in 1941, using a speculative magnetic chart for the year 1500 and currents from pilot charts.
• In the days before global positioning satellites and up-to-the-minute weather faxes, sailors navigated by sextant and pored over old pilot charts for clues to likely wind and weather patterns.
• Examining the " Pilot Charts " for this area, however, it becomes clear that the main concern lies in the changes in winds that occur at about the point at which Cape Bojador is passed in sailing down the coast.
• Initial attempts in this area used the mean wind speed and direction data from sources such as Pilot Charts, but this is not truly representative, and the correct route is to run the weather routing a large number of times from a set of historical weather records, and then carry out a statistical analysis of the results.