10 Figure Grid Reference. PPT Grid References PowerPoint Presentation, free download ID1986824 OS Grid References are based on 100km grid squares identified by letter-pairs, followed by digits which identify a sub-square within the grid square, as explained on the OS Interactive Guide to the National Grid The Grid References section of a TREC POR at Level 2A and above uses 8 figure grid refs
Beginner's guide to using grid references OS GetOutside from getoutside.ordnancesurvey.co.uk
a ten figure grid reference gives you a 1m x 1m square Try and find 4 figure grid references for each of the spots detailed below
Beginner's guide to using grid references OS GetOutside
Then add a grid reference marker to get the 10 figure grid reference For a 10 figure grid reference, the number will be a unique ten-digit combination, specifying an exact location within a 1-meter by 1-meter square on a map. 6-digit references identify 100m grid squares; 8 digits identify 10m grid squares, and 10 digits identify 1m squares
Beginner's guide to using grid references OS GetOutside. 10 figure and 12 figure grid references are also possibilities, though on a larger scale map 8 figure [SP82555255] = 10 metre square; 10 figure [SP8255552555] = 1 metre square; 12 figure [SP825555525555] = 10 centimetre square; If you take your finds for recording with a Finds Liaison Officer, grid references taken to a precision of 8 - 10 figures are the most useful
PPT Understanding Grid References How to Read and Use Them Effectively PowerPoint. National Grid reference numbers are used to locate specific points on a map eight-figure grid reference, such as '1926 4548', indicates a 10 m by 10 m square on the map; and; ten-figure grid reference, such as '19267 45487', indicates a 1 m by 1 m square on the map; In practice, it's the six-digit grid reference number that is most commonly used, although the more digits used gives you a more precise location.