Understanding the Format
4 Figure references use a system of two pairs of numbers, representing a location on a map. The format is XX,XX Y-axis and X-axis.
Decoding the Numbers
- Y-axis (First Pair): This pair of numbers represents the vertical position on the map, typically going from south to north.
- X-axis (Second Pair): This pair of numbers represents the horizontal position on the map, typically going from west to east.
Example
Let's say you have a 4 figure reference of 35,42 08,16.
- 35,42: Indicates a vertical position along the Y-axis.
- 08,16: Indicates a horizontal position along the X-axis.
Using the Reference
- Locate the Y-axis: Find the line on the map that corresponds to the first pair of numbers (35,42 in our example).
- Locate the X-axis: Find the line on the map that corresponds to the second pair of numbers (08,16 in our example).
- Intersection: The point where these two lines intersect represents the location indicated by the 4 figure reference.