Map Reading: Grid References

Jack T
Jack T
Last updated 
Map Reading: Grid References


Introduction
Map reading and navigation are essential skills for all players in Arma. Understanding how to interpret grid references allows you to locate positions accurately and relay them effectively to your team.


Grid References Overview


The map is divided into grids by Eastings (horizontal lines) and Northings (vertical lines). These numbers are used to create grid references that specify a location.


Types of Grid References
  1. 4-Digit Grid Reference (1km x 1km):
    • Process:
      1. Read along the horizontal (Eastings) axis: e.g., 03.
      2. Read up the vertical (Northings) axis: e.g., 08.
      3. Combine: 0308.
    • Example: Locates a general area (1km x 1km).
  2. 6-Digit Grid Reference (100m x 100m):
    • Process:
      1. Use zoomed-in grids for finer details.
      2. Add a third digit to both the Eastings and Northings: 036085.
    • Example: Marks a specific structure like a farm or building within the 1km square.
  3. 8-Digit Grid Reference (10m x 10m):
    • Process:
      1. Estimate tenths along the horizontal and vertical grid.
      2. Add a fourth digit to both Eastings and Northings: 03630858.
    • Example: For highly precise targeting (airstrikes, artillery, etc.).

Key Concepts
  • "Along the corridor, up the stairs":
    • Always read Eastings first, then Northings.
  • Estimating 8-digit references:
    • Subdivide 100m grids into 10 equal parts (mentally).
    • Approximate based on position in the square.

Practical Applications
  1. 4-Digit Reference: General area (e.g., town or landmark).
  2. 6-Digit Reference: Specific structures or points of interest.
  3. 8-Digit Reference: Critical for precision strikes or detailed navigation.

Example Grid Reference Breakdown
  1. 4-Digit Reference: 0308 (1km square).
  2. 6-Digit Reference: 036085 (farm within the square).
  3. 8-Digit Reference: 03630858 (building within the farm area).

Pro Tip: Use 6-digit references for general navigation. Reserve 8-digit references for precision targeting such as calling in support.