# GPS Heading/Yaw (aka Moving Baseline)

# GPS Heading/Yaw (aka Moving Baseline)

### PX4 Guide for RTK

> ℹ️ **Info**
>
> **PX4 Firmware**\
> GPS Heading with Dual u-blox F9P is supported in the both DroneCAN and UART version. The DroneCAN version requires a different firmware and can be found in the guide below.

[https://docs.px4.io/main/en/gps_compass/u-blox_f9p_heading.html](https://docs.px4.io/main/en/gps_compass/u-blox_f9p_heading.html)

[https://docs.px4.io/main/en/advanced_features/rtk-gps.html](https://docs.px4.io/main/en/advanced_features/rtk-gps.html)

[https://docs.px4.io/main/en/dronecan/holybro_h_rtk_zed_f9p_gps.html](https://docs.px4.io/main/en/dronecan/holybro_h_rtk_zed_f9p_gps.html)

### Ardupilot Wiki for RTK

[https://ardupilot.org/copter/docs/common-gps-for-yaw.html](https://ardupilot.org/copter/docs/common-gps-for-yaw.html)

[https://ardupilot.org/copter/docs/common-positioning-landing-page.html#rtk-gps](https://ardupilot.org/copter/docs/common-positioning-landing-page.html#rtk-gps)