'Brockagh (Glendalough d)' : Bullaun Stone

Grid RefT 124 970
GPST 12392 97005 (7m)
Longitude6° 19' 30.88" W
Latitude53° 0' 43.14" N
ITM east480366
ITM north584435
Nearest TownLaragh (1.9 Km)
OS Sheet56
UTM zone29U
UTM x449041
UTM y5761192

This is a subsite of:

The Seven Fonts (Glendalough a) - Brockagh - Bullaun Stone
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Visit Notes

Sunday, 7th January 2007

This is the first bullaun stone that you reach in this field full of bullauns. It is an earthfast boulder that stands 1m proud of the ground level. The upper surface is flat and has a single, centrally placed bulaun that is about 30cm in diameter.

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Sunday, 1st April 2007

There are several bullauns in this field that I totally failed to find the last time I was here - it was a miserablle day. As we were going looking for these (Andy had already found them and was showing me where they are) we had to pass this beauty again. A good opportunity to take a better photo.

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About Coordinates Displayed

This is an explanation of (and a bit of a disclaimer for) the coordinates I provide.

Where a GPS figure is given this is the master for all other coordinates. According to my Garmin these are quite accurate.

Where there is no GPS figure the 6 figure grid reference is master for the others. This may not be very accurate as it could have come from the OS maps and could have been read by eye. Consequently, all other cordinates are going to have inaccuracies.

The calculation of Longitude and Latitude uses an algorithm that is not 100% accurate. The long/lat figures are used as a basis for calculating the UTM & ITM coordinates. Consequently, UTM & ITM coordinates are slightly out.

UTM is a global coordinate system - Universal Transverse Mercator - that is at the core of the GPS system.

ITM is the new coordinate system - Irish Transverse Mercator - that is more accurate and more GPS friendly than the Irish Grid Reference system. This will be used on the next generation of Irish OS maps.

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