longitude signal


longitude signal
noun
: a telegraphic or radio time signal sent out from a station whose longitude is known and received at other stations whose longitude is to be determined from the differences in local time

Useful english dictionary. 2012.

Look at other dictionaries:

  • Longitude — For Dava Sobel s book about John Harrison, see Longitude (book). For the adaptation of Sobel s book, see Longitude (TV series). Map of Earth Longitude (λ) Lines of longitude appear vertical with varying curvature in this projection, but are… …   Wikipedia

  • Signal Hill — Original name in latin Signal Hill Name in other language State code US Continent/City America/Los Angeles longitude 33.80446 latitude 118.16785 altitude 49 Population 11016 Date 2011 05 14 …   Cities with a population over 1000 database

  • Signal Mountain — Original name in latin Signal Mountain Name in other language State code US Continent/City America/New York longitude 35.12257 latitude 85.34385 altitude 521 Population 7554 Date 2011 05 14 …   Cities with a population over 1000 database

  • Distress signal — Call for help redirects here. For the TV show, see Call for Help. A distress signal is an internationally recognized means for obtaining help. Distress signals take the form of or are commonly made by using radio signals, displaying a visually… …   Wikipedia

  • History of longitude — The history of longitude is a record of the effort, by navigators and scientists over several centuries, to discover a means of determining longitude. The measurement of longitude is important to both cartography and navigation. Historically, the …   Wikipedia

  • International maritime signal flags — The set of signal flags on the bridge of the Liberty ship SS Jeremiah O Brien The system of international maritime signal flags is one system of flag signals representing individual letters of the alphabet in signals to or from ships. It is a… …   Wikipedia

  • Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …   Wikipedia

  • navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

  • Greenwich Mean Time — (GMT) is a term originally referring to mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, although strictly UTC is an atomic time… …   Wikipedia

  • 2182 KHz — 2 182 kHz La fréquence de 2 182 kHz[1] (désignée aussi par sa longueur d onde: 137,5 mètres) est la fréquence internationale de détresse[2] et d appel en radiotéléphonie sur ondes hectométrique pour les stations du service maritime.… …   Wikipédia en Français