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Q: What are reference points and how are they used in navigation or mapping?
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What is the definition of terrestrial navigation?

Terrestrial navigation is the method used by mariners that uses landmarks as reference points.


What are the four main cardinal point?

The four main cardinal points are North, South, East, and West. They are used as reference points for navigation and orientation on maps.


What are useful reference points?

Reference points are used in order to easily access information that is in a larger collection of data.


What are uses of constellation?

Constellations are used as a way of mapping surrounding space so that's its easier for us to find certain planets/stars alot easier. Also in history these constellations have being used for Astrology which is suposerly a way of reading ones future, hope this helps


What are pleiads bootes bear in the odyssey?

In the Odyssey, the Pleiads are a group of seven sisters who appear in the night sky. Boötes is a constellation mentioned in the Odyssey as guiding the sailors. The Bear is likely a reference to Ursa Major, another constellation used for navigation.


How is an exact position in space identified?

There are several methods.You need a reference point (the origin. For an n-dimensional space you will need a set of n axes and n measures which define the position with regard to origin. The axes need not be orthogonal (at right angles) as can be seen from isometric graph paper. The measures need not all be distances, they can comprise one distance and the remainder being angles.Alternatively, you can have many reference points and directions from these reference points to the position. This is the system used by early cartographers for making maps before satellite mapping became possible. The reference points were called triangulation points, and as they moved across the region being mapped, they identified new triangulation points (whose positions they had worked out) so that they had these reference points reasonably near the position to be identified.Yet another method was to have a set of reference points and distances from these reference points to the position. This is the system used for GPS where the reference points are 3 or more satellites and the measures are distances to the position. Actually, the measures are of time but given the speed of light in the Earth's atmosphere, converting time to distance is trivial. A lot of trigonometry follows.


A number line used to reference points?

An axis.


What are the uses of Earthmate GPS from Delorme?

Earthmate GPS from Delorme can be used for mapping and navigation. The company has been around for 30 years and is very experienced in the field of GPS.


What is the Navigation reference point on the VFR terminal area chart used for?

The Navigation reference point on the VFR terminal area chart is used for guiding VFR aircraft around the TCA. The VFR point allows small aircraft to fly around the TCA without entering that space.


What city is in reference for 0 degrees longitude?

The city you are searching for is Greenwich England. It is the reference for the 0 or "Prime" Meridian used in Navigation. Today Greenwich is part of London.


How can reference points be used to calculate the distance an object travels?

2


What reference lines are used to locate points on earth?

Latitude and Longitude