Cache a Trig - Tuach Hill Traditional Cache

This cache has been archived.

Professor Xavier: As the owner has not responded to my previous log requesting that they check this cache I am archiving it. Please note that as this cache has now been archived by a reviewer or HQ staff it will NOT be unarchived.

Regards

Ed
Professor Xavier - Volunteer UK Reviewer
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Hidden : 3/27/2015
Difficulty:
1.5 out of 5
Terrain:
2 out of 5

Size: Size: regular (regular)

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Geocache Description:


This cache is located about 30 meters away from the Tuach Hill trig and a Royal Observer Corps Bunker although this isn't in great condition now. The area has some lovelly views and is excellent for walking the dog. There is some quarries in the area so please be very careful.

Trig Points

Trigpoints are the common name for "triangulation pillars". These are concrete pillars, about 4' tall, which were used by the Ordnance Survey in order to determine the exact shape of the country. They are generally located on the highest bit of ground in the area, so that there is a direct line of sight from one to the next. By sitting a theodolite (an accurate protractor built into a telescope) on the top of the pillar, accurate angles between pairs of nearby trigpoints could be measured. This process is called "triangulation".

A major project to map out the shape of Great Britain began in 1936. The network of triangulation pillars, with accurately known positions, led to the excellent OS maps which we enjoy today. The coordinate system used on these maps is known as the "National Grid", and it is essential that you are familiar with this system if you are to get the most of OS maps, or this website.

Information taken from Trigpointing UK




Royal Observer Corps Bunker

Royal Observer Corps Monitoring Posts are underground structures all over the United Kingdom, constructed as a result of the Corps' nuclear reporting role and operated by volunteers during the Cold War between 1955 and 1991.

In all but a very few instances the posts were built to a standard design consisting of a 14-foot-deep access shaft, a toilet/store and a monitoring room. The most unusual post was the non-standard one constructed in a cellar within Windsor Castle.

A third of the total number of posts were closed in 1968 during a reorganisation and major contraction of the ROC. Several others closed over the next 40 years as a result of structural difficulties i.e. persistent flooding, or regular vandalism. The remainder of the posts were closed in 1991 when the majority of the ROC was stood down following the break-up of the Communist Bloc.

Information taken from Wikipedia

Additional Hints (Decrypt)

Chg lbhe unaq va fbzrjurer fznyy naq qnex (jngpu bhg sbe fcvqref, fanxrf naq engf. BAYL WBXVAT)

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)


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