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Grid view. A grid view or a datagrid is a graphical control element that presents a tabular view of data. [1] A typical grid view also supports some or all of the following: An interactive live demo example of this type of widget can be seen here [1]. Some widget toolkits, these are libraries containing a collection of equally designed ...
In navigation, dead reckoning is the process of calculating the current position of a moving object by using a previously determined position, or fix, and incorporating estimates of speed, heading (or direction or course), and elapsed time. The corresponding term in biology, to describe the processes by which animals update their estimates of ...
An electronic navigational chart (ENC) is an official database created by a national hydrographic office for use with an Electronic Chart Display and Information System (ECDIS). [1] ECDIS and ENCs are the primary means of electronic navigation on cargo ships. [1] Charts can be used in navigation to provide an indication of location once a ...
The arrows can also be clicked to expand selection. A breadcrumb or breadcrumb trail is a graphical control element used as a navigational aid in user interfaces and on web pages. It allows users to keep track and maintain awareness of their locations within programs, documents, or websites. The term alludes to the trail of bread crumbs left by ...
v. t. e. GPS signals are broadcast by Global Positioning System satellites to enable satellite navigation. Receivers on or near the Earth's surface can determine location, time, and velocity using this information. The GPS satellite constellation is operated by the 2nd Space Operations Squadron (2SOPS) of Space Delta 8, United States Space Force.
The Decca Navigator System was a hyperbolic radio navigation system that allowed ships and aircraft to determine their position by using radio signals from a dedicated system of static radio transmitters. The system used phase comparison of two low frequency signals between 70 and 129 kHz, as opposed to pulse timing systems like Gee and LORAN.
Course (navigation) Instruments used to plot a course on a nautical chart. In navigation, the course of a watercraft or aircraft is the cardinal direction in which the craft is to be steered. The course is to be distinguished from the heading, which is the direction where the watercraft's bow or the aircraft's nose is pointed. [1][2][3]
Radio navigation. Radio navigation or radionavigation is the application of radio frequencies to determine a position of an object on the Earth, either the vessel or an obstruction. [1][2] Like radiolocation, it is a type of radiodetermination. The basic principles are measurements from/to electric beacons, especially.