Brian Hare¹, Olaf Scholten¹, Joseph R Dwyer², Ute Ebert³, Sander Nijdam⁴ and LOFAR Cosmic Ray Key Science Project, (1)University of Groningen, Groningen, Netherlands, (2)University of New Hampshire, Department of Physics and Astronomy and the Space Science Center, Durham, NH, United States, (3)Centrum Wiskunde & Informatica, Amsterdam, Netherlands, (4)Eindhoven University of Technology, Eindhoven, Netherlands