---
name: "setCompassDeclination"
type: command
status: ok
groups: ["Interaction"]
arma3_since: "2.18"
locality: {"argument": null, "effect": "local", "server_exec": false}
source: https://community.bistudio.com/wiki/setCompassDeclination
revid: 377875
updated: 2026-01-04T13:22:06Z
---

# setCompassDeclination

*Command · Interaction · Arma 3 v2.18*

Locality: effect **local**

## Description

Sets the [declination angle](https://en.wikipedia.org/wiki/Magnetic_declination) of player's compass, which is the difference between magnetic north and true north.

## Syntax

```sqf
setCompassDeclination angleRad
```

**Parameters:**

- `angleRad`: [Number](../topics/Number.md) - Declination angle in radians. Use 0 to reset it to default.

**Returns:** [Nothing](../topics/Nothing.md)

## Examples

### Example 1

```sqf
setCompassDeclination rad 10; // declination angle is 10 degrees
```

## See also

[setCompassOscillation](../commands/setCompassOscillation.md)

<sub>Source: [BI Community Wiki — setCompassDeclination](https://community.bistudio.com/wiki/setCompassDeclination) (revision 377875).</sub>