diff --git a/AntennaTracker/Tracker.h b/AntennaTracker/Tracker.h
index 680bb73b88..aa74fa3d00 100644
--- a/AntennaTracker/Tracker.h
+++ b/AntennaTracker/Tracker.h
@@ -232,6 +232,7 @@ private:
     void tracking_update_pressure(const mavlink_scaled_pressure_t &msg);
     void tracking_manual_control(const mavlink_manual_control_t &msg);
     void update_armed_disarmed() const;
+    bool get_pan_tilt_norm(float &pan_norm, float &tilt_norm) const override;
 
     // Arming/Disarming management class
     AP_Arming_Tracker arming;
diff --git a/AntennaTracker/tracking.cpp b/AntennaTracker/tracking.cpp
index 6ca73f569e..32a64d46f0 100644
--- a/AntennaTracker/tracking.cpp
+++ b/AntennaTracker/tracking.cpp
@@ -195,3 +195,19 @@ void Tracker::update_armed_disarmed() const
         AP_Notify::flags.armed = false;
     }
 }
+
+/*
+  Returns the pan and tilt for use by onvif camera in scripting
+  the output will be mapped to -1..1 from limits specified by PITCH_MIN
+  and PITCH_MAX for tilt, and YAW_RANGE for pan
+*/
+bool Tracker::get_pan_tilt_norm(float &pan_norm, float &tilt_norm) const
+{
+    float pitch = nav_status.pitch;
+    float bearing = nav_status.bearing;
+    // set tilt value
+    tilt_norm = (((constrain_float(pitch+g.pitch_trim, g.pitch_min, g.pitch_max) - g.pitch_min)*2.0f)/(g.pitch_max - g.pitch_min)) - 1;
+    // set yaw value
+    pan_norm = (wrap_360(bearing+g.yaw_trim)*2.0f/(g.yaw_range)) - 1;
+    return true;
+}