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Trig or Tri??? Multi-cache

Hidden : 5/25/2023
Difficulty:
3.5 out of 5
Terrain:
2 out of 5

Size: Size:   micro (micro)

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Geocache Description:


Trig or Tri???

Triangulation is a surveying method that measures the angles in a triangle formed by three survey control points. Using trigonometry and the measured length of just one side, the other distances in the triangle are calculated. Triangulation today is used for many purposes including surveying, navigation, and metrology, and astrometry, binocular vision, in modern rocketry and, in the military, the gun direction, the trajectory and distribution of fire power. The use of triangles to estimate distances dates to antiquity. In the 6th century BC, about 250 years prior to the establishment of the Ptolemaic dynasty, the Greek philosopher Thales is recorded as using similar triangles to estimate the height of the pyramids of ancient Egypt. 

Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Trigonometry helps us find angles and distances. The Global Positioning System (GPS) employs trilateration to calculate the coordinates of positions at or near the Earth's surface. Trilateration refers to the trigonometric law by which the interior angles of a triangle can be determined if the lengths of all three triangle sides are known. Trigonometry in the modern sense began with the Greeks.

CORS - Continually Operating Reference Stations collecting geodetic data from GNSS. 

CORS stations are designed to operate continuously, 24 hours a day, seven days a week, providing real-time GNSS information to users. The GNSS data collected by the CORS station is processed and transmitted to users via the internet, allowing them to access high-precision positioning information from anywhere, at any time. CORS stations provide high-precision GNSS information, with accuracy levels typically in the range of millimeters to centimeters

Imagine Geocaching the old fashioned way using a maps and compasses.

Lucky for us we have GPS to help.

Take a journey in Mount Isa of the different types of markers used to find our way. Dont forget your pen.

1

At the first way point S20° 43.362' E139° 29.829', record the first three numbers on marker. This will be A, Band C.

2

Using these coordinates S20° 44.195' E139° 30.765' what is the distance from the first way point to the given coordinates metres. Record the 2nd 3rd and 4th numbers this will M, N and O.

3

At this way point S20° 44.193' E139° 29.228' what is last two numbers of the mobile number, this will be X  and Y. (Look at what is mounted on the roof at this way point. – CORS)

To get the final coordinates solve the below and enter using your answer in to Certitude.

Asl··upOum·u··upMsl·siYapBsl··um·n·ll··upNsiXuesupCsl··n·sq·

You can validate your puzzle solution with certitude.

Additional Hints (Decrypt)

Rirelguvat vf napvrag uvfgbel

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)