Advances in Radio Science www.adv-radio-sci.net 1684-9965 1684-9973 2 Kleinheubacher Berichte 2003 2004 10.5194/ars-2-265-2004 http://www.adv-radio-sci.net/2/265/2004/ http://www.adv-radio-sci.net/2/265/2004/ars-2-265-2004.html http://www.adv-radio-sci.net/2/265/2004/ars-2-265-2004.pdf 265 268 2005-05-27 Sixty years of ionospheric measurements and studies* K. Bibl Center for Atmospheric Research, University of Massachusetts Lowell, 600 Suffolk St., Lowell, MA 01854-3625, USA Dedicated to Prof. Dr. K. Rawer on the occasion of his 90th birthday. Professor Rawer’s professional ethics allowed him to create an excellent institute with co-workers forming a successful team with creative individuals. Showing myself as an example, this paper demonstrates his guidance, his care, and his ability to create independent thinking in the areas of equipment development and the analysis of data produced by this equipment.