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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, 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 Cheap NFL Jerseys China , 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, 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, and under the surface of the water Cheap Jerseys Wholesale , 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.
How To Have The Best Home Based Business How To Have The Best Home Based Business September 20, 2013 | Author: Johnathan Black | Posted in Business
Having a business that you can run right at your own home provides you with many benefits in work and in life. If you are looking to start one of these businesses or have been doing it for a while, but need a few pointers, then read on for some great tips you can use.
Write off your workspace. If you can create a dedicated room for your home office, you can write it off as a business expense. This covers a percentage of all costs, including mortgage or rent payments, utilities and insurance. Calculate the square footage of the area you use compared to the total square footage of your house, and divide the bills accordingly. Be careful though – the IRS will look closely at this type of expense.
Starting your own home business is definitely a stressful situation, but it should mostly be something you enjoy and a challenge you accept with open arms. Do not let the stress overwhelm you Cheap Jerseys From China , and do not burn out. Employ or attain the extra help you need, and do not try to do everything yourself.
Make sure you keep accurate records of all your home business activities. It’s easy to put off pesky record-keeping tasks till you feel like doing them, but strive to keep everything pertaining to your business up-to-date so that you won’t be confused and stressed out later on.
Use an online service or software to design a matching set of postcards, fliers and brochures to send out to customers and prospects. Look online for printer suppliers that offer an interface that allows you to add text to one of their existing designs, or upload your own. Choose a design as your “brand,” the look and feel you want people to identify with your business.
You should always have coupons available for your business so that you can leave a few wherever you go. Depending on the product or service you are selling, there should be plenty of people around who would love to buy something. The key is letting them know that it is available.
Working from home means that you can set your own schedule, wo.
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