Instruments Used In Navigation Instruments Used In Navigation April 13 Cheap Jerseys , 2016 | Author: Carey Bourdier | Posted in Education

There are various navigational instruments used by the U.S. Navy and Coast Guard, as well as all the other ships navigating the world’s waterways. These navigational instruments are used in ships for various purposes. Some are used to determine the present position of the ship and some to indicate the speed as well as determine the direction and some to indicate when the vessel will arrive at its destination. Some of these have been used for years like charts and maps and some are electronics and computer operated. Here are just a few of the instruments used on board sea-faring vessels.

Some interesting navigation instruments used in ships are telescopic marine alidades. The alidade is used to find the relative bearing of another object in relation to the ship. When this instrument is used, it is usually mounted on a bearing compass repeater or bearing compass. It is equipped with a telescopic sight and prismatic optical system. Accurate bearings of objects in the distance are clearly obtained, through the telescopic marine alidade. This can be important data to acquire in many situations.

Another piece of equipment that needs no electricity but still is very helpful is the three-arm protractor. In these modern days, a GPS system is often used, but the three-arm protractor still can be used to quickly determine a ship’s location, which certainly can be important if electrical systems fail. Calculations can be made with data measured from this instrument Wholesale NCAA Jerseys , and the latitude and longitude can be determined. Jointly used with this navigational instrument are navigational charts.

Optical instruments are also used in navigation and are interesting, like the telescopes and binoculars. When looking through these instruments objects and things will look bigger, thus important in navigation. With binoculars, a person can look through, using both eyes because these are like two telescopes that are similar and joined together. Only one eye can be used with a telescope. Both eyes are used with binoculars, and a three dimensional image can be seen. People looking at an object will find it very natural, with binoculars used. The image will look clearer and much bigger Wholesale NFL Jerseys , even with objects that are far. Either instrument can be helpful in determine what type of object is located in the distance. These are simple to use and require no power.

In general navigation, navigational sextants are instruments used with great importance. Measuring angles between two objects can be made, and this is where sextants are used. This is a navigational instrument with two mirrors used and the first is used to view the horizon. Light from the sun and its reflection is used, and this is the function of the second mirror because it is movable. The instrument’s scale will then be used when reading the angle between the two.

Sonar and radar are also navigational equipment that is very important in navigation and these high-tech devices are very accurate. These tools bounce waves off of objects in order to determine the distance of the objects in relation to your vessel. As the names suggest, radio waves are used in radar and in sonar, sound waves are used. On the ground and in the air, radio waves are used Wholesale Jerseys China , and under the surface of the water, sound waves are used as medium.

Carey Bourdier loves writing about precision scientific instruments. To get more information about surveying instruments such as a surveyor compass, or to find other alignment instruments, check out the Warren Knight website now.

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