Original ardrone_brown from: http://brown-ros-pkg.googlecode.com/svn/trunk/experimental/ardrone_brown [revision 2797]

msg/Navdata.msg

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+Header header
+
+# 0 means no battery, 100 means full battery
+float32 batteryPercent
+
+# left/right tilt in degrees (rotation about the X axis)
+float32 rotX
+
+# forward/backward tilt in degrees (rotation about the Y axis)
+float32 rotY
+
+# orientation in degrees (rotation about the Z axis)
+float32 rotZ
+
+# estimated altitude (cm)
+int32 altd
+
+# linear velocity (mm/sec)
+float32 vx
+
+# linear velocity (mm/sec)
+float32 vy
+
+# linear velocity (mm/sec)
+float32 vz
+
+#time stamp
+float32 tm
+