Bottomside Ionospheric Electron Density Specification using Passive High Frequency Signals

Stephen Roland Kaeppler1, Russell B Cosgrove2, Cecile Mackay1, Roger H Varney3, Elizabeth A Kendall4 and Michael J Nicolls1, (1)SRI International Menlo Park, Menlo Park, CA, United States, (2)University of Central Florida and SRI International, Menlo Park, CA, United States, (3)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (4)University of Central Florida, Orlando, CA, United States