How do you find a 6-figure grid reference on a map?

How do you find a 6-figure grid reference on a map?

Six-figure grid reference

1. First, find the four-figure grid reference but leave a space after the first two digits.
2. Estimate or measure how many tenths across the grid square your symbol lies.
3. Next, estimate how many tenths up the grid square your symbol lies.
4. You now have a six figure grid reference.

How do you find the grid reference on a map?

Grid references

1. Start at the left-hand side of the map and go east until you get to the bottom-left-hand corner of the square you want. Write this number down.
2. Move north until you get to the bottom-left corner of the square you want.

How accurate is a 6 figure grid?

Six figure grid references are commonly used for topographic maps with a scale of 1:50,000. On a 6-figure grid reference the last digit refers to a tenth of the distance between the 1km grid reference lines, so the reference is only accurate to within 100 metres.

How do you read grid coordinates on a map?

The number of the vertical grid line on the left (west) side of the grid square is the first and second digits of the coordinates. The number of the horizontal grid line on the bottom (south) side of the grid square is the fourth and fifth digits of the coordinates.

How do you get a 8 figure grid reference?

In order to obtain an 8 figure grid reference, you need to carry out the exact same procedure to obtain a 6 figure grid reference, dividing your grid square into tenths, but then further sub-divide the 6 figure tenth in which your location lies into further tenths (the 8 figure tenths).

What are the two Norths used in map reading?

When working with a map and compass there are usually three different norths to be considered: True North, Grid North and Magnetic North.

What is a grid reference?

grid reference. noun. a method of locating a point on a map or plan by a number referring to the lines of a grid drawn upon the map or plan and to subdivisions of the space between the lines.

What is a national grid reference?

The Ordnance Survey National Grid reference system is a system of geographic grid references used in Great Britain, distinct from latitude and longitude.

What is an OS grid reference?

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 .

What is a grid reference box?

GRID REFERENCE BOX. A grid reference box (Figure 4-23) appears in the marginal information of each map sheet. It contains step-by-step instructions for using the grid and the US Army military grid reference system. The grid reference box is divided into two parts.

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