k. thanks. i have i more doubt in the tutorial http://www.ros.org/wiki/ROS/Tutorials/UnderstandingTopics understanding topics the command rostopic hz /turtle1/pose as per the tutorial averages around 60hz but for me it averages around 64hz. is there a problem -- View this message in context: http://ros-users.122217.n3.nabble.com/Tutorial-doubts-tp842446p848318.html Sent from the ROS-Users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ _______________________________________________ ros-users mailing list ros-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ros-users