> For the complete documentation index, see [llms.txt](https://px4.gitbook.io/px4-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://px4.gitbook.io/px4-user-guide/development/middleware/msg_docs/vehicleangularvelocity.md).

# VehicleAngularVelocity

[source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/VehicleAngularVelocity.msg)

```c

uint64 timestamp          # time since system start (microseconds)
uint64 timestamp_sample   # timestamp of the data sample on which this message is based (microseconds)

float32[3] xyz		  # Bias corrected angular velocity about the FRD body frame XYZ-axis in rad/s

float32[3] xyz_derivative # angular acceleration about the FRD body frame XYZ-axis in rad/s^2

# TOPICS vehicle_angular_velocity vehicle_angular_velocity_groundtruth

```