RECOMMENDATION ITU-R M.1465 - CHARACTERISTICS OF, AND PROTECTION CRITERIA FOR RADARS OPERATING IN THE RADIODETERMINATION ... ANNEX 1 - Technical and operational characteristics of radiolocation radars operating in the frequency band ... 1 Introduction 2 Technical characteristics 2.1 Land-based radars 2.2 Shipborne radar 2.3 Airborne radar 3 Protection criteria