Homepage : Irish National Grid
Explanation of the
The National Grid is a map
reference system covering Great Britain, but not Ireland or the Channel
Islands.The X/Y (East/North) axis 0/0 point is south west of Lands End.
Alphabetic 2 letter codes identify 100 Km squares, these subdivide into 10 Km
squares numbered 0 to 9 West to East and South to North from the left corner.
Eastings are quoted before Northings. Coordinates of 372.8 East and 168.2
North, would be expressed at increasing accuracy as: ST the prime 100 Km square
ie 3-- 1--, ST76 a 10 Km square ie 37- 16-, ST7268 integer coordinates ie 372
168, ST728682 coordinates of 372.8 168.2.
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1300 |
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HP
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1200 |
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HT
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HU
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1100 |
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HY
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HZ
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1000 |
NA
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NB
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NC
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ND
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900 |
NF
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NG
|
NH
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NJ
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NK
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|
|
800 |
NL
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NM
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NN
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NO
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|
700 |
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NR
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NS
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NT
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NU
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|
|
600 |
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NW
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NX
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NY
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NZ
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|
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500 |
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SC
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SD
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SE
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TA
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400 |
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SH
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SJ
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SK
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TF
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TG
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300 |
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SM
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SN
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SO
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SP
|
TL
|
TM
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|
200 |
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SR
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SS
|
ST
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SU
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TQ
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TR
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100 |
SV
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SW
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SX
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SY
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SZ
|
TV
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0 |
100 |
200 |
300 |
400 |
500 |
600 |
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