1. The grid lines point to a Grid North , varying slightly from True North. 2. At the South Pole, grid north conventionally points northwards along the Prime Meridian. 3. Directors were mounted on a field tripod and oriented in relation to grid north of the map. 4. The difference between grid north and true north is very small and can be ignored for most navigation purposes. 5. For this reason, directions at the Pole are given relative to " grid north ", which points northwards along the prime meridian. 6. Maps may also indicate grid north , which is a navigational term referring to the direction northwards along the grid lines of a map projection. 7. As this is the centre of the east-west extent of the Ordnance Survey mapping grid, True North and Grid north align exactly in Devizes. 8. 1st Street divides the block numbering grid north and south, and southwest of the Los Angeles River, Main Street divides the city east and west. 9. The difference between UPS grid north and true north can therefore be anything up to 180? in some places, grid north is true south, and vice versa. 10. The difference between UPS grid north and true north can therefore be anything up to 180? in some places, grid north is true south, and vice versa.
Mobile