SA003
Advances in Radio Frequency Propagation Modeling and Applications

Session ID#: 80790

Session Description:
Radio frequency propagation modeling is an integral part of a wide variety of scientific studies and technological applications. Many models and applications consider the effects of ionospheric refraction, magneto-ionic splitting, plasma and neutral collisions, scintillation, traveling ionospheric disturbances, sporadic-E, spread-F, and land-surface interactions. Recent advances in computational power, as well as data collection, storage, and distribution capabilities, have led to an improved ability to include these effects at a higher fidelity, and modern digital signal processing techniques have led to an improved ability to assess the utility of including them. This session seeks contributions covering advancements in measurement, modelling, and prediction techniques pertinent to the interaction of radio waves with the ionosphere in either a skywave or transionospheric propagation mode. Contributions highlighting improvements in our ability to include and understand the earth system’s interactions with these propagation modes are especially encouraged.
Index Terms:

2435 Ionospheric disturbances [IONOSPHERE]
2447 Modeling and forecasting [IONOSPHERE]
6934 Ionospheric propagation [RADIO SCIENCE]
6964 Radio wave propagation [RADIO SCIENCE]

Primary Convener:  Stephen Roland Kaeppler, Clemson University, Clemson, SC, United States
Conveners:  James C Jones, Northrop Grumman Corporation Bellevue, Bellevue, NE, United States, Jonah J Colman, Air Force Research Laboratory Kirtland AFB, Kirtland AFB, NM, United States and Ethan S Miller, JHU/APL, Laurel, MD, United States
Primary Liaison:  Stephen Roland Kaeppler, Clemson University, Clemson, SC, United States
 
Assessing the Suitability of the ClOud Reflection Algorithm (CORA) to Model Plasma Cloud Evolution (494560)
Natasha Jackson-Booth and John McGraghan, QinetiQ, Malvern, United Kingdom
 
Improved classification and geolocation of SuperDARN ground scatter (505959)
Evan G Thomas1, Simon G Shepherd1, Kathryn A McWilliams2 and J. Michael Ruohoniemi3, (1)Dartmouth College, Thayer School of Engineering, Hanover, NH, United States, (2)University of Saskatchewan, Saskatoon, SK, Canada, (3)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
 
Bistatic SuperDARN Measurements: First-results (506501)
Simon G Shepherd1, Kevin T Sterne2, Evan G Thomas1 and J. Michael Ruohoniemi3, (1)Dartmouth College, Thayer School of Engineering, Hanover, NH, United States, (2)Virginia Tech, Space @ VT, Blacksburg, VA, United States, (3)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
 
Analysis of the Effects from Equatorial Plasma Bubbles Detected by the C/NOFS Planar Langmuir Probe on the Propagation of Transionospheric Wideband Signals (507216)
Emanoel Costa1, Chaosong Huang2, Ronald G Caton3, Patrick Roddy2 and John Ballenthin2, (1)Pontificia Unversidade Catolica do, Rio de Janeiro, Brazil, (2)Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States, (3)Air Force Research Laboratory, Tijearas, NM, United States
 
Things to look forward to in Version 2.0 of the Empirical Canadian High Arctic Ionospheric Model (E-CHAIM) (509771)
David Russel Themens1, P. T. Jayachandran2, Christopher Watson V3, Benjamin Reid4 and Anthony Mark McCaffrey1, (1)University of New Brunswick, Fredericton, NB, Canada, (2)University of New Brunswick, Physics Department, Fredericton, Canada, (3)UCAR, Boulder, CO, United States, (4)University of New Brunswick, Physics, Fredericton, NB, Canada
 
Ionosphere research with Suomi100 cubesatellite’s radio wave spectrometer (511111)
Esa Jukka Kallio1, Ari-Matti Harri2, Anita Taina Aikio3, Arno Alho4, Markku Alho1, Mathias Fontell5, Riku Jarvinen1,6, Kirsti Kauristie6, Antti Kero7, Antti Kestilä6, Juha-Matti Lukkari8, Petri Koskimaa6, Olli Knuuttila9, Johannes Norberg6, Jouni Rynö6, Esa Turunen3 and Heikki Vanhamaki3, (1)Aalto University, School of Electrical Engineering, Department of Electronics and Nanoengineering, Espoo, Finland, (2)Finnish Meteorological Inst, Helsinki, Finland, (3)University of Oulu, Oulu, Finland, (4)Aalto University, Department of Electronics and Nanoengineering, Helsinki, Finland, (5)School of Electrical Engineering, Department of Electronics and Nanoengineering, Helsinki, Finland, (6)Finnish Meteorological Institute, Helsinki, Finland, (7)University of Oulu, Sodankyla Geophysical Observatory, Sodankyla, Finland, (8)Space Systems Finland, Helsinki, Finland, (9)Aalto University, School of Electrical Engineering, Aalto, Finland
 
Propagation Teepee: A High Frequency (HF) Radio Spectral Feature Identified by Citizen Scientists (516340)
Shing F Fung, NASA Goddard Space Flight Ctr, Greenbelt, MD, United States, Dave Typinski, Self-employed, High Springs, FL, United States, Richard F Flagg, Miami, FL, United States, Thomas Ashcraft, Heliotown Observatory, Lamy, NM, United States, Wes Greenman, LGM Observatory, Alachua, FL, United States, Chuck Higgins, Middle Tennessee State University, Astronomy, Murfreesboro, TN, United States, Jim Brown, HNRAO Observatory, Industry, PA, United States, Larry Dodd, Georgia Amateur Radio Astronomy Observatory, Jasper, United States, Andrew S. Mount, Cape Orion Observatory, Mountain Rest, United States, Francisco J Reyes, University of Florida, Astronomy, Ft Walton Beach, FL, United States, Jim Sky, Radio Sky Inc., Ocean View, HI, United States, James Thieman, NASA/GSFC, Greenbelt, MD, United States and Leonard N Garcia, Bldg 34, Rm W386, Code 605, Greenbelt, MD, United States; NASA Goddard Space Flight Center, Code 605, Greenbelt, MD, United States
 
Characterizing D-Region Roughness using LF/MF Signals of Opportunity (528623)
Marc Alexander Higginson-Rollins, Georgia Institute of Technology Main Campus, Atlanta, GA, United States and Morris Cohen, Georgia Institute of Technology Main Campus, School of Electrical and Computer Engineering, Atlanta, GA, United States
 
Consequences of Bottomside Ionospheric Variability on HF radio wave propagation (535385)
Kate Zawdie1, Manbharat Singh Dhadly2, Sarah E McDonald1, Fabrizio Sassi3, Clayton Coker1 and Douglas Patrick Drob4, (1)US Naval Research Laboratory, Washington, DC, United States, (2)US Naval Research Laboratory, Space Science Division (Code 7632), Washington, DC, United States, (3)Naval Research Lab DC, Washington, DC, United States, (4)Naval Research Lab, Space Science Division, Washington, DC, United States
 
Artificial Neural Networks for Characterizing Trends in the Ionosphere's D-Region (542631)
David Keith Richardson1, Morris Cohen2 and Nicholas C Gross1, (1)Georgia Institute of Technology Main Campus, Electrical and Computer Engineering, Atlanta, GA, United States, (2)Georgia Institute of Technology Main Campus, School of Electrical and Computer Engineering, Atlanta, GA, United States
 
Examining the Role of Dispersion Relation and Collision Frequency Formulations on Estimation of Shortwave–Fadeout (544932)
Shibaji Chakraborty1, Joseph B. H. Baker1, J. Michael Ruohoniemi2, Robyn A Fiori3, Kate Zawdie4, Scott Martin Bailey5, Emma Spanswick6, Nozomu Nishitani7, Donald W Danskin8 and Douglas Patrick Drob9, (1)Virginia Tech, Blacksburg, VA, United States, (2)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (3)Natural Resources Canada, Ottawa, ON, Canada, (4)Naval Research Laboratory, Washington, DC, United States, (5)VA Tech, Bradley Department of Electrical Engineering, Blacksburg, VA, United States, (6)University of Calgary, Calgary, AB, Canada, (7)Nagoya Univ, Nagoya, Japan, (8)Natural Resources Canada, Geomagnetic Laboratory, Ottawa, ON, Canada, (9)Naval Research Lab, Space Science Division, Washington, DC, United States
 
Multi-Constellation, Multi-Frequency Simulation of Ionospheric Scintillation along Radio Occultation Raypaths and Potential Impacts on Tropospheric Retrievals (549885)
Charles Salvatore Carrano1, Keith M Groves1, William J McNeil1 and E. Robert Kursinski2, (1)Boston College, Institute for Scientific Research, Chestnut Hill, MA, United States, (2)PlanetiQ, Golden, CO, United States
 
Near-Real-Time Data Assimilation to Improve Ionospheric Electron Density Models of the High Latitude Ionosphere During Geomagnetic Storms (559077)
Benjamin Reid1, David Themens2, Anthony Mark McCaffrey2 and P. T. Jayachandran3, (1)University of New Brunswick, Physics, Fredericton, NB, Canada, (2)University of New Brunswick, Fredericton, NB, Canada, (3)University of New Brunswick, Physics Department, Fredericton, Canada
 
Development of a GUVI/SSUSI-based model for E-region electron density enhancements at northern auroral latitudes (566148)
Christopher Watson V, University of New Brunswick, Physics, Fredericton, NB, Canada, David Themens, University of New Brunswick, Fredericton, NB, Canada and P. T. Jayachandran, University of New Brunswick, Physics Department, Fredericton, Canada
 
Characterizing Ionospheric Gradients From Oblique Angle-of-Arrival Ionosondes (573102)
Andrew James Heitmann1,2, David A. Holdsworth1,2, Andrew David MacKinnon2 and Iain M Reid2, (1)Defence Science and Technology Group, Edinburgh, SA, Australia, (2)The University of Adelaide, School of Physical Sciences, Adelaide, SA, Australia
 
TID wavelength control of disturbance features in quasi-vertically incident ionograms (Invited) (573356)
Manuel A Cervera, DST Group, Intelligence Surveillance and Space Division, Edinburgh, SA, Australia and Trevor james Harris, DST Group, Intelligence, Surveillance and Space Division, Edinburgh, Australia
 
The Spire TEC Environment Assimilation Model (STEAM) (576363)
Matthew Angling1, Francois-Xavier Bocquet1, German Olivares1, Karl Nordstrom1, Vu Nguyen2, Sanita Vetra-Carvalho1, Timothy Duly2, Vladimir Irisov2, Oleguer Nogues-Correig1, Linus Tan3, Takayuki Yuasa3 and Dallas S Masters2, (1)Spire Global UK, Ltd, Glasgow, United Kingdom, (2)Spire Global, Inc., Boulder, CO, United States, (3)Spire Global Singapore, Pte. Ltd., Singapore, Singapore
 
GPS-Enabled Variable Radio Frequency Generator for Ionospheric Sounding: Feasibility Analysis (581674)
Abigail Marek, Clemson University, Hebron, IN, United States and Stephen Roland Kaeppler, SRI International, Menlo Park, CA, United States
 
Novel Techniques for Observing the Ionosphere with Natural Signals (593380)
Joseph Benjamin Malins, University of New Mexico Main Campus, Physics and Astronomy, Albuquerque, NM, United States and Kenneth Obenberger, Air Force Research Laboratory, Space Vehicles Directorate, Kirtland AFB, NM, United States
 
D Region Tomography: A Technique for Ionospheric Imaging Using Lightning-Generated Sferics and Inverse Modeling (593913)
Jackson McCormick, Georgia Institute of Technology Main Campus, Atlanta, GA, United States and Morris Cohen, Georgia Institute of Technology Main Campus, School of Electrical and Computer Engineering, Atlanta, GA, United States
 
Nonlinear FDTD Simulations of Ionospheric Heating (595446)
Anthony Erdman, University of Florida, Electrical and Computer Engineering, Gainesville, FL, United States and Robert C Moore, University of Florida - UF, Gainesville, FL, United States
 
Advances in D-Region Monitoring and Applications to Space Weather Monitoring (Invited) (596133)
Morris Cohen, Georgia Institute of Technology Main Campus, School of Electrical and Computer Engineering, Atlanta, GA, United States
 
The Ray Path Response Operator Method for Reconstructing the Ionosphere from Diverse HF Observations (630708)
Sergey V Fridman, NorthWest Research Associates, Inc, Socorro, NM, United States, L J Nickisch, NorthWest Research Assoc., Monterey, CA, United States and Mark Hausman
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