Tidal and Ionospheric Contributions in GUVI O/N2 wave-4 Signals and Implications for F-region Plasma Density Variability

Jens Oberheide1, Christopher S Krier2,3, Quan Gan2, Nirmal Nischal2, Yongliang Zhang4 and Loren C Chang5, (1)Clemson University, Clemson, United States, (2)Clemson University, Clemson, SC, United States, (3)Virginia Polytechnic Institute and State University, Aerospace and Ocean Engineering, Blacksburg, VA, United States, (4)JHU Applied Physics Laboratory, Laurel, MD, United States, (5)Institute of Space Science National Central University, Jhongli, Taiwan