The Occurrence of Small-scale Irregularities in the Mid-latitude Ionosphere from SuperDARN HF Radar Observations

J. Michael Ruohoniemi1, Joseph BH Baker2, Maimaitirebike Maimaiti2, Kjellmar Oksavik2,3, Philip John Erickson4, Wayne Scales2 and Ahmed Eltrass5, (1)Virginia Polytechnic Institute and State University, Blacksburg, United States, (2)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (3)University of Bergen, Department of Physics and Technology, Bergen, Norway, (4)MIT Haystack Observatory, Westford, United States, (5)Alexandria University, Electrical Engineering, Alexandria, Egypt