An Evaluation of Spire Radio Occultation Data in Assimilative Ionospheric Model GPSII and Validation by Ionosonde Measurements von Kramer, Kelsey K., Fridman, Sergey V., Nickisch, L. J.

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Geomagnetic field impacts on second harmonic generation during high power radio wave-ionosphere interaction von Yellu, A. D., Scales, W. A., Bernhardt, P. A., Siefring, C. L., Briczinski, S., Nossa, E., McCarrick, M. J., Mahmoudian, A., Nickisch, L. J.

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Real-time reconstruction of the three-dimensional ionosphere using data from a network of GPS receivers von Fridman, Sergey V., Nickisch, L. J., Aiello, Mark, Hausman, Mark

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Assimilative model for ionospheric dynamics employing delay, Doppler, and direction of arrival measurements from multiple HF channels von Fridman, Sergey V., Nickisch, L. J., Hausman, Mark, Zunich, George

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Assimilative modeling of ionospheric dynamics for nowcasting of HF propagation channels in the presence of TIDs von Nickisch, L. J., Fridman, Sergey, Hausman, Mark, Kraut, Shawn, Zunich, George

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Feasibility study for reconstructing the spatial‐temporal structure of TIDs from high‐resolution backscatter ionograms von Nickisch, L. J., Fridman, Sergey, Hausman, Mark, San Antonio, Geoffrey S.

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Inversion of backscatter ionograms and TEC data for over-the-horizon radar von Fridman, Sergey V., Nickisch, L. J., Hausman, Mark

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Range rate-Doppler correlation for HF propagation in traveling ionospheric disturbance environments von Nickisch, L. J., Hausman, Mark A., Fridman, Sergey V.

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Personal-computer-based system for real-time reconstruction of the three-dimensional ionosphere using data from diverse sources von Fridman, Sergey V., Nickisch, L. J., Hausman, Mark

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A power law power spectral density model of total electron content structure in the polar region von Nickisch, L. J.

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Multiple phase screen calculation of wide bandwidth propagation von Knepp, Dennis L., Nickisch, L. J.

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Assimilation procedures for updating ionospheric profiles below the F2 peak von McNamara, Leo F., Angling, Matthew J., Elvidge, Sean, Fridman, Sergey V., Hausman, Mark A., Nickisch, L. J., McKinnell, Lee-Anne

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HiCIRF: A high-fidelity HF channel simulation von Nickisch, L. J., St. John, Gavin, Fridman, Sergey V., Hausman, Mark A., Coleman, C. J.

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SIFTER: Signal inversion for target extraction and registration von Fridman, Sergey V., Nickisch, L. J.

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Generalization of ionospheric tomography on diverse data sources: Reconstruction of the three-dimensional ionosphere from simultaneous vertical ionograms, backscatter ionograms, an... von Fridman, S. V., Nickisch, L. J.

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Review of Experimental Concepts for Studying the Quantum Vacuum Field von Davis, E W, Teofilo, V L, Haisch, B, Puthoff, H E, Nickisch, L J, Rueda, A, Cole, D C

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Finite difference time domain tests of random media propagation theory: 2. Signal correlation length and channel bandwidth von Nickisch, L. J., Franke, P. M.

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HF cross section of field-aligned irregularities: Finite difference time domain tests of the Born theory formula von Nickisch, L. J., Franke, P. M.

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Prediction of over-the-horizon radar clutter using the clutter effects model von Lauer, Carl, Nickisch, L. J., Wortman, William

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Update on an electromagnetic basis for inertia, gravitation, the principle of equivalence, spin and particle mass ratios von Haisch, Bernard, Rueda, Alfonso, Nickisch, L J, Mollere, Jules

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