Global sporadic-E occurrence rate climatology using GPS radio occultation and ionosonde data
Travis J Hodos, Air Force Institute of Technology, Wright-Patterson Air Force Base, United States, Daniel J Emmons II, Air Force Institute of Technology, Bellbrook, OH, United States, Omar Nava, Air Force Institute of Technology, Wright-Patterson AFB, OH, United States and Eugene V Dao, Air Force Research Laboratory, Space Vehicles Directorate, Kirtland AFB, NM, United States
