Dependence of plasma bubble altitude on solar flux and variations in the spectral characteristics of irregularities on apex altitude

Dev Raj Joshi1, John Michael Retterer1, Keith M Groves2, Patrick A Roddy3 and Chaosong Huang4, (1)Boston College/Inst Sci Res, Chestnut Hill, MA, United States, (2)Boston College, Institute for Scientific Research, Chestnut Hill, United States, (3)Kirtland Air Force Base, Kirtland AFB, United States, (4)Kirtland Air Force Base, Kirtland AFB, NM, United States