Not immediately
(at least not to himself). Obi-wan was too busy killing Grievous, surviving
Order 66 and escaping Utapau to meditate on what was happening, why and whose
fault it was.Obi-Wan
knew that signal. Every Jedi did. It was the recall code. It was being
broadcast on every channel by every HoloNet repeater. It was supposed to mean
that the war was over. It was supposed to mean that the Council had ordered all
Jedi to return to the Temple immediately. Obi-Wan
suspected it actually meant what had happened on Utapau was far from an
isolated incident. [Matthew Stover. Revenge of the Sith]