how to calculate course latitude longitude

by Alexander Strosin Published 2 years ago Updated 1 year ago 10 min read

Your map should have the lines of latitude and longitude forming a grid and dividing it into cross sections. ...
Measure latitude first. The lines of latitude will be north and south parallels to your location. Place the zero end of your map ruler on the southern parallel. ...
To measure the longitude you must place the ruler diagonally on the west and east meridians with the ends of the 2 ½ minute ruler touching both meridians. ...

φ is latitude, λ is longitude, R is earth's radius (mean radius = 6,371km);
...
Spherical Law of Cosines.

Law of cosines:	d = acos( sin φ₁ ⋅ sin φ₂ + cos φ₁ ⋅ cos φ₂ ⋅ cos Δλ ) ⋅ R
Excel:	=ACOS( SIN(lat1)SIN(lat2) + COS(lat1)COS(lat2)COS(lon2-lon1) ) 6371000

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Full Answer

Is there a simple way to calculate latitude and longitude?

Enter latitude and longitude of two points, select the desired units: nautical miles (n mi), statute miles (sm), or kilometers (km) and click Compute. Latitudes and longitudes may be entered in any of three different formats, decimal degrees (DD.DD), degrees and decimal minutes (DD:MM.MM) or degrees, minutes, and decimal seconds (DD:MM:SS.SS).

How to calculate the longitude of the second point?

Instructions/Notes. This tool calculates the straight line distance between two pairs of latitude/longitude points provide in decimal degrees. Additionally, this tool will convert your decimal coordinates to degrees minutes seconds (DMS). Note: Positive latitude values (1 to 90) represent locations in the northern hemisphere (north of the equator), whereas negative …

What instruments do I need to calculate the longitude?

Estimating Longitude Using the Sun Record the top point of an object's shadow over the course of an hour. Starting at around 11:30 a.m. local time, position a stick or pencil so that it is standing straight up and casting a shadow. Finding Longitude on a …

What is the formula to find bearing latitude and longitude?

The positions of the latitude and longitude is what controls what the temperature and energy using of the atmosphere can possibly become. Air in the atmosphere goes through an increase or decrease depending on the weather condition to help populate how much energy is being used. Near the poles, energy is used to help create winds and a high ...

How do you calculate degrees of latitude and longitude?

The approximation for 1 degree of longitude = cos(Latitude)*degree length of longitude at the equator. Hence, the latitude of a point d kilometres away will be: Using these equations, we can generate four new points surrounding the original.Feb 15, 2019

How do I calculate my degree of longitude?

The Earth rotates one full turn (360º of longitude) in one day. It therefore turns one degree of longitude in 1/360th of a day, or every four minutes. To calculate your longitude, you therefore simply need to work out the time difference between noon at your location and noon at the Prime Meridian.

How are degrees of latitude calculated?

Your latitude can be calculated by measuring the angle of the sun. At the middle of the day on the equinox (when day and night are the same length) the angle of the sun below an upright line (a line straight up above your head) tells you your latitude.Oct 10, 2021

How do you convert latitude and longitude to kilometers?

The approximate conversions are:

Latitude: 1 deg = 110.574 km.
Longitude: 1 deg = 111.320*cos(latitude) km.

Aug 10, 2009

How many miles are in a degree of latitude?

69 miles

One degree of latitude equals approximately 364,000 feet (69 miles), one minute equals 6,068 feet (1.15 miles), and one-second equals 101 feet. One-degree of longitude equals 288,200 feet (54.6 miles), one minute equals 4,800 feet (0.91 mile), and one second equals 80 feet.

How many miles is 2 degrees latitude?

Each degree of latitude is approximately 69 miles (111 kilometers) apart.Jan 24, 2020

How many km is a degree of latitude?

110 kilometers

Lines of latitude are called parallels and in total there are 180 degrees of latitude. The distance between each degree of latitude is about 69 miles (110 kilometers).Jan 3, 2021

How was latitude calculated on a ship?

To find the ship's latitude, sailors used a tool called a sextant. The sextant measured the angle created by the noon sun, the ship, and the visible horizon. When the measurement of this angle was determined, it could be converted to degrees latitude by using a chart provided in the Nautical Almanac.

What is the name of the line that crosses all the meridians at the same angle?

The straight line on the Mercator map turns on the globe into the endlessly spinning spiral to the poles. That line is called loxodrome, which means "slanting run" in Greek.

Who created the map of the world?

In the 16th century, Flemish geographer Gerhard Mercator made a navigation map of the world, depicting the earth's surface on a plane so that angles on the map are not distorted. At present, this method of Earth's image is known as Mercator conformal cylindrical projection.

What direction is 0° bearing?

Denote point A and B as two different points, where ‘ La’ is point A longitude and ‘θa’ is point A latitude, similarly assume for point B. Bearing would be measured from North direction i.e 0° bearing means North, 90° bearing is East, 180° bearing is measured to be South, and 270° to be West.

What is a compass for navigation?

Generally a ‘compass’ is an instrument, which gives you the direction information for navigation . You must refer Haversine distance formula before going through this post.