The time at which this heading was determined.
- iOS 3.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- watchOS 6.0+
Accessing the Heading Attributes
The heading (measured in degrees) relative to magnetic north.
The heading (measured in degrees) relative to true north.
The maximum deviation (measured in degrees) between the reported heading and the true geomagnetic heading.