This is where the alternative name "grid squares" comes from.

The fourth time, one of the photon-amp grid squares flared red.

Each coordinate thereafter doesn't need to use the grid square since it is already defined.

In fact, only 30 (or 5.3 per cent) grid squares have absolute differences greater than this.

The tracker was told which grid square on the map the runners were in.

Each grid square is given a letter as its name.

There were a mean of 11.9 images per grid square.

Every grid square has historical antecedents, if only in the field names.

We are to confine our operations to grid square 54-90 and the immediately surrounding squares.

These routes cover areas in more detail, for example serving through the grid squares, while key services mostly ran on the main roads.