B. C. Joshi(1 and 2), M. Kramer(2), A. G. Lyne(2), M. Mclaughlin(2), I. H. Stairs(3) ((1) National Center for Radio Astrophysics, Pune, India, (2) Jodrell Bank Observatory, University of Manchester, Macclesfield, UK, (3) University of British Columbia, Vancouver, Canada)
