Field Line Mapping of the Polar Cap Neutral Density Anomaly
Chin S Lin1, Eric K Sutton2, Cheryl Y Huang3 and David L Cooke3, (1)Emeritus, Air Force Research Laboratory, Kirtland AFB, NM, United States, (2)Kirtland Air Force Base, Kirtland AFB, NM, United States, (3)Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States