The Navigators' Calculator

The Navigators' Calculator

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This well presented - on a single screen - application calculates the shortest distance between any two points on Earth - given the latitude and longitude of both points.

This versatile app has many applications. Only some are listed below -

1. Military.
a. secondary mission navigation.
b. indirect weapons targeting ie. artillery and mortar fire,

2. Police crime scene investigation.
a. cell site dump analysis.

3. Civil Engineering.
a. mining exploration.
b. gas exploration.
c. oil exploration.
d. pipeline building.
e. bridge building.

4. Global / local distance and course calculation.
a. useful for airline companies, emergency air services and military air services that need to find the shortest and most cost effective routes.

It does not use GPS. Therefore it is always available, regardless of satellite coverage.

You can obtain coordinates, for start and end destinations either by using Google Earth or Google Search.

You can obtain latitude and longitude for cities, towns etc, by searching Google e.g.
"coordinates for New York, USA".

Google will display the answers, which you can copy and paste into the appropriate fields.

The latitudes and longitudes can be entered as decimal values i.e. 51.67897
or as separate degrees, minutes, seconds fields.

Negative degrees are accepted for southern latitudes and western longitudes, respectively.

The distance is given in both miles and kilometers.

A course from point 1 to point 2 is given in degrees, clockwise from due north.

WorldNav is a very precise and accurate tool.

WorldNav is a practical and easy to use tool that will save you effort, time and money.

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NAVIGATION EXAMPLE 1
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WorldNav Mobile App

Data Entry Rules
----
Southern Latitudes (S) are -negative.

Western Longitudes (W) are -negative.

The Journey
----
Search Google
"coordinates for Bristol, UK"

Bristol, UK
51.4500 N, 2.5833 W

To

Search Google
"coordinates for Mecca"

Mecca
21.4167 N, 39.8167 E

Enter in WorldNav input fields
----
Latitude Longitude
51.4500 -2.5833
0.0 0.0
0.0 0.0

21.4167 39.8167
0.0 0.0
0.0 0.0

Press the Calculate button.

Results
----
Distance = 3,068.3722 miles.
= 4,938.0663 km.

Course = 116.287765 degrees.
---

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NAVIGATION EXAMPLE 2
---

WorldNav Mobile App

Data Entry Rules -
---
Southern Latitudes (S) are
-negative.

Western Longitudes (W) are
-negative.

The Journey -
---
Search Google
"coordinates for Wells, Somerset, UK"

Wells, Somerset, UK
51.2073 N, 2.6519 W

To

Search Google
"coordinates for Kingston, Jamaica"

Kingston, Jamaica
17.9833 N, 76.8000 W

Enter in WorldNav input fields
----
Latitude Longitude
51.2073 -2.6519
0.0 0.0
0.0 0.0

17.9833 -76.8000
0.0 0.0
0.0 0.0

Press the Calculate button.

Results -
---
Distance = 4,571.489 miles.
= 7,357.098 km.

Course = 269.432 degrees.
---

O que mudou recentemente nesta versão

Extensive use of more efficient computer program design techniques.


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