Fix up linking text

PX4 · Jan 22, 2025 · b73a799 · b73a799
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diff --git a/en/SUMMARY.md b/en/SUMMARY.md
@@ -388,7 +388,7 @@
   - [PX4 Ethernet Setup](advanced_config/ethernet_setup.md)
   - [Standard Configuration](config/index.md)
   - [Advanced Configuration](advanced_config/index.md)
-    - [ECL/EKF Overview & Tuning](advanced_config/tuning_the_ecl_ekf.md)
+    - [Using PX4's Navigation Filter (EKF2)](advanced_config/tuning_the_ecl_ekf.md)
     - [Finding/Updating Parameters](advanced_config/parameters.md)
     - [Full Parameter Reference](advanced_config/parameter_reference.md)
 

diff --git a/en/_sidebar.md b/en/_sidebar.md
@@ -384,7 +384,7 @@
   - [PX4 Ethernet Setup](/advanced_config/ethernet_setup.md)
   - [Standard Configuration](/config/index.md)
   - [Advanced Configuration](/advanced_config/index.md)
-    - [ECL/EKF Overview & Tuning](/advanced_config/tuning_the_ecl_ekf.md)
+    - [Using PX4's Navigation Filter (EKF2)](/advanced_config/tuning_the_ecl_ekf.md)
     - [Finding/Updating Parameters](/advanced_config/parameters.md)
     - [Full Parameter Reference](/advanced_config/parameter_reference.md)
 

diff --git a/en/advanced/computer_vision.md b/en/advanced/computer_vision.md
@@ -28,7 +28,7 @@ For information about MoCap see:
 
 - [External Position Estimation](../ros/external_position_estimation.md)
 - [Flying with Motion Capture (VICON, NOKOV, Optitrack)](../tutorials/motion-capture.md)
-- [EKF > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
+- [Using PX4's Navigation Filter (EKF2) > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
 
 ## Visual Inertial Odometry (VIO)
 
@@ -43,7 +43,7 @@ One difference between VIO and [MoCap](#motion-capture) is that VIO cameras/IMU
 
 For information about configuring VIO on PX4 see:
 
-- [EKF > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
+- [Using PX4's Navigation Filter (EKF2) > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
 - [T265 Setup guide](../peripherals/camera_t265_vio.md)
 
 ## Optical Flow
@@ -53,7 +53,7 @@ For information about configuring VIO on PX4 see:
 For information about optical flow see:
 
 - [Optical Flow](../sensor/optical_flow.md)
-- [EKF > Optical Flow](../advanced_config/tuning_the_ecl_ekf.md#optical-flow)
+- [Using PX4's Navigation Filter (EKF2) > Optical Flow](../advanced_config/tuning_the_ecl_ekf.md#optical-flow)
 
 ## Comparisons
 

diff --git a/en/advanced_config/index.md b/en/advanced_config/index.md
@@ -9,7 +9,7 @@ This topic lists configuration topics that are not particularly vehicle specific
 
 ## Feature configuration
 
-- [ECL/EKF Overview & Tuning](../advanced_config/tuning_the_ecl_ekf.md)
+- [Using PX4's Navigation Filter (EKF2)](../advanced_config/tuning_the_ecl_ekf.md)
 - [Flight Termination Configuration](../advanced_config/flight_termination.md)
 - [Land Detector Configuration](../advanced_config/land_detector.md)
 - [Prearm/Arm/Disarm Configuration](../advanced_config/prearm_arm_disarm.md)

diff --git a/en/advanced_config/static_pressure_buildup.md b/en/advanced_config/static_pressure_buildup.md
@@ -34,7 +34,7 @@ Aim for a barometer altitude drop of less than 2 metres at maximum horizontal sp
 ## Dynamic Calibration
 
 After modifying the hardware, you can then use the [EKF2_PCOEF\_\*](../advanced_config/parameter_reference.md#EKF2_PCOEF_XN) parameters to tune for expected barometer variation based on relative air velocity.
-For more information see [ECL/EKF Overview & Tuning > Correction for Static Pressure Position Error](../advanced_config/tuning_the_ecl_ekf.md#correction-for-static-pressure-position-error).
+For more information see [Using PX4's Navigation Filter (EKF2) > Correction for Static Pressure Position Error](../advanced_config/tuning_the_ecl_ekf.md#correction-for-static-pressure-position-error).
 
 ::: info
 The approach works well if the relationship between the error due to static pressure and the velocity varies linearly.

diff --git a/en/computer_vision/motion_capture.md b/en/computer_vision/motion_capture.md
@@ -16,4 +16,4 @@ For information about MoCap see:
 
 - [Using Vision or Motion Capture Systems for Position Estimation](../ros/external_position_estimation.md). <!-- bring across info into user guide? -->
 - [Flying with Motion Capture (VICON, NOKOV, Optitrack)](../tutorials/motion-capture.md). <!-- bring across info into user guide? -->
-- [EKF > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
+- [Using PX4's Navigation Filter (EKF2) > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
diff --git a/en/computer_vision/visual_inertial_odometry.md b/en/computer_vision/visual_inertial_odometry.md
@@ -77,7 +77,7 @@ The following parameters must be set to use external position information with E
 
 These can be set in _QGroundControl_ > **Vehicle Setup > Parameters > EKF2** (remember to reboot the flight controller in order for parameter changes to take effect).
 
-For more detailed/additional information, see: [ECL/EKF Overview & Tuning > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system).
+For more detailed/additional information, see: [Using PX4's Navigation Filter (EKF2) > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system).
 
 <a id="tuning-EKF2_EV_DELAY"></a>
 
@@ -167,4 +167,4 @@ This topic also explains how to configure VIO for use with the LPE Estimator (de
 
 ## Further Information
 
-- [ECL/EKF Overview & Tuning > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
+- [Using PX4's Navigation Filter (EKF2) > External Vision System](../advanced_config/tuning_the_ecl_ekf.md#external-vision-system)
diff --git a/en/debug/system_wide_replay.md b/en/debug/system_wide_replay.md
@@ -118,8 +118,8 @@ When parameters are overridden, corresponding parameter changes in the log are n
 This is a specialization of the system-wide replay for fast EKF2 replay.
 
 ::: info
-The recording and replay of flight logs with [multiple EKF instances](../advanced_config/tuning_the_ecl_ekf.md#running-multiple-ekf-instances) is not supported.
-To enable recording for EKF replay you must set the parameters to enable a [single EKF instance](../advanced_config/tuning_the_ecl_ekf.md#running-a-single-ekf-instance).
+The recording and replay of flight logs with [multiple EKF2 instances](../advanced_config/tuning_the_ecl_ekf.md#running-multiple-ekf-instances) is not supported.
+To enable recording for EKF replay you must set the parameters to enable a [single EKF2 instance](../advanced_config/tuning_the_ecl_ekf.md#running-a-single-ekf-instance).
 :::
 
 In EKF2 mode, the replay will automatically create the ORB publisher rules described above.

diff --git a/en/flying/pre_flight_checks.md b/en/flying/pre_flight_checks.md
@@ -47,7 +47,7 @@ Note that the [Arming Check Report](#qgc-arming-check-report) is a much easier w
 
 ## EKF Preflight Checks/Errors
 
-This sections lists errors, with associated checks and parameters, that are reported by the [EKF](../advanced_config/tuning_the_ecl_ekf.md) (and propagate to _QGroundControl_).
+This sections lists errors, with associated checks and parameters, that are reported by [EKF2](../advanced_config/tuning_the_ecl_ekf.md) (and propagate to _QGroundControl_).
 These are provided for information only (the QGC Arming Checks UI is the best way to get error and solution information).
 
 #### PREFLIGHT FAIL: EKF HIGH IMU ACCEL BIAS

diff --git a/en/flying/terrain_following_holding.md b/en/flying/terrain_following_holding.md
@@ -24,7 +24,7 @@ As the distance to ground changes, the altitude setpoint adjusts to keep the hei
 At higher altitudes (when the estimator reports that the distance sensor data is invalid) the vehicle switches to *altitude following*, and will typically fly at a near-constant height above mean sea level (AMSL) using an absolute height sensor for altitude data.
 
 ::: info
-More precisely, the vehicle will use the available selected sources of altitude data as defined [here](../advanced_config/tuning_the_ecl_ekf.md#height).
+More precisely, the vehicle will use the available selected sources of altitude data as defined in [Using PX4's Navigation Filter (EKF2) > Height](../advanced_config/tuning_the_ecl_ekf.md#height).
 :::
 
 Terrain following is enabled by setting [MPC_ALT_MODE](../advanced_config/parameter_reference.md#MPC_ALT_MODE) to `1`.

diff --git a/en/gps_compass/rtk_gps.md b/en/gps_compass/rtk_gps.md
@@ -212,7 +212,7 @@ For example, you can decrease [EKF2_GPS_V_NOISE](../advanced_config/parameter_re
 #### Dual Receivers
 
 A second GPS receiver can be used as a backup (either RTK or non RTK).
-See the [EKF2 GPS Configuration](../advanced_config/tuning_the_ecl_ekf.md#gps) section.
+See the [Using PX4's Navigation Filter (EKF2) > GPS](../advanced_config/tuning_the_ecl_ekf.md#gps) section.
 
 <!--
 - Video demonstration would be nice.

diff --git a/en/ros/external_position_estimation.md b/en/ros/external_position_estimation.md
@@ -73,7 +73,7 @@ You can apply this trick with every system - if you need to obtain a NED frame,
 ## EKF2 Tuning/Configuration
 
 Note: this is a quick overview.
-For more detailed information, check the [EKF2 tuning guide](../advanced_config/tuning_the_ecl_ekf.md)
+For more detailed information, check the [Using PX4's Navigation Filter (EKF2)](../advanced_config/tuning_the_ecl_ekf.md)
 
 The following parameters must be set to use external position information with EKF2 (these can be set in *QGroundControl* > **Vehicle Setup > Parameters > EKF2**).
 

diff --git a/en/sensor/airspeed.md b/en/sensor/airspeed.md
@@ -76,6 +76,6 @@ Airspeed sensors should be calibrated by following the instructions: [Basic Conf
 
 ## See Also
 
-- [Using the ECL EKF > Airspeed](../advanced_config/tuning_the_ecl_ekf.md#airspeed)
+- [Using PX4's Navigation Filter (EKF2) > Airspeed](../advanced_config/tuning_the_ecl_ekf.md#airspeed)
 - [Airspeed drivers](https://github.com/PX4/PX4-Autopilot/tree/main/src/drivers/differential_pressure) (source code)
 - [VTOL Without an Airspeed Sensor](../config_vtol/vtol_without_airspeed_sensor.md)
diff --git a/en/sensor/optical_flow.md b/en/sensor/optical_flow.md
@@ -98,4 +98,4 @@ If your optical flow sensor is offset from the vehicle centre, you can set this
 | <a id="EKF2_OF_POS_Y"></a>[EKF2_OF_POS_Y](../advanced_config/parameter_reference.md#EKF2_OF_POS_Y) | Y position of optical flow focal point in body frame (default is 0.0m). |
 | <a id="EKF2_OF_POS_Z"></a>[EKF2_OF_POS_Z](../advanced_config/parameter_reference.md#EKF2_OF_POS_Z) | Z position of optical flow focal point in body frame (default is 0.0m). |
 
-See [Using the ECL EKF > Optical flow](../advanced_config/tuning_the_ecl_ekf.md#optical-flow) for more information.
+See [Using PX4's Navigation Filter (EKF2) > Optical flow](../advanced_config/tuning_the_ecl_ekf.md#optical-flow) for more information.