- 1 What are navigation techniques?
- 2 How did ships navigate in the 1500s?
- 3 What are the 4 types of navigation?
- 4 What are the 3 types of navigation?
- 5 How did ships navigate before technology?
- 6 Why did sailors use navigate stars?
- 7 How accurate is celestial navigation?
- 8 What two questions should every navigation system answer?
- 9 Is very useful in navigation?
- 10 What is not a type of navigation?
- 11 What is top-level navigation?
- 12 What is main navigation?
- 13 What is basic navigation?
A navigation technique is a way to determine the navigator’s position and to set the desired course. There are different methods of locating your position, different plotting methods, and also different ways to determine your course. The system of locating, plotting, and setting a course is called a navigation method.
Tools such as an hourglass, a quadrant, a compass and a nautical chart were vital for effective navigation.
The field of navigation includes four general categories: land navigation, marine navigation, aeronautic navigation, and space navigation.
Three main types of navigation are celestial, GPS, and map and compass.
To do this, Columbus used celestial navigation, which is basically using the moon, sun, and stars to determine your position. Other tools that were used by Columbus for navigational purposes were the compass, hourglass, astrolabe, and quadrant. Navigating during sea voyages nowadays is a lot easier than back then.
The pole stars were used to navigate because they did not disappear below the horizon and could be seen consistently throughout the night. To navigate along a degree of latitude a sailor would have needed to find a circumpolar star above that degree in the sky.
The theoretical accuracy of celestial position fix is within 0.1 mile of your true position. In comparison, a modern GPS should be able to give you an accuracy of less than 1 meter. While the theoretical maximum accuracy of a celestial fix is 0.1 miles, in reality you will probably never achieve closer than 1 mile.
Large or complex sites should always have a text-based site map in addition to text links. Every page should contain a text link to the site map. According to Web usability expert, Jakob Nielsen, a good navigation system should answer three questions:
- Where am I?
- Where have I been?
- Where can I go?
Explanation: Compasses, which indicate direction relative to the Earth’s magnetic poles, are used in navigation on land, at sea, and in the air. Compasses were being used for navigation by the 1100s, and are still the most familiar navigational tools in the world.
Regional is not a type of navigation system for a web site.
Top – level navigation is generally included horizontally across the top of the Web site. This may also be termed primary or global navigation and is designed to “support the primary aim a user has when he or she comes to your site,” according to www.adaptivepath.com.
MAIN NAVIGATION. Also called: global navigation, primary navigation, main nav. The main navigation generally represents the top-level pages of a site’s structure—or the pages just below the home page. The links in the main navigation are expected to lead to pages within the site and behave in a very consistent way.
The Basic Navigation Set provides the essential navigation instruments required for basic navigation, such as finding position, range, and bearing to a destination.