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Contact Info

William H. Sanders
Department Head
306 N. Wright Street
Urbana, IL 61801
Ph: (217) 333-2300
Fax: (217) 244-7075

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Steven J. Franke

Electrical and Computer Engineering
Steven J. Franke
Steven J. Franke
320 Coordinated Science Lab MC 228
1308 W. Main St.
Urbana Illinois 61801
(217) 333-8128
Associate Head for Graduate Affairs
  • Graduate Advising
152 Everitt Lab MC 702
1406 W. Green
Urbana Illinois 61801
(217) 333-8128


  • Graduate Advising

Primary Research Area

  • Remote Sensing


PhD Electrical Engineering University of Illinois Oct. 1984

Research Interests

  • High efficiency linear power amplifiers for RF communications and radar applciations.
  • Low power wireless RF communications.
  • Remote sensing of the middle and upper atmosphere using arrays of ground-based sensors and low-earth orbit satellites.
  • Development and application of radar and signal processing techniques for remote sensing in the middle and upper atmosphere.

Selected Articles in Journals

  • Li, Tao, Alan Liu, Xian Lu, Steven J. Franke, Gary R. Swenson, Xiankang Dou, "Meteor radar observed mesospheric semi-annual oscillation and quasi-biennial oscillation over Maui, Hawaii," J. Geophys. Res., doi:10.1029/2011JD016123, 2012.
  • Guharay, Amitava, S. J. Franke, "Characteristics of the semidiurnal tide in the MLT over Maui (20.75N, 156.43W) with meteor radar observations," Journal of Atmospheric and Solar-Terrestrial Physics, doi:10.1016/j.jastp.2011.01.025, 2011.
  • Li, Zhenhua, Alan Liu, Xian Lu, Gary Swenson, Steven Franke, "Gravity wave characteristics and propagation preference from OH airglow imager over Maui and propagation preference due to doppler-shifting by background wind," J. Geophys. Res., doi:10.1029/2011JD015870, 2011.
  • Lu, Xian, A. Z. Liu, J. Oberheide, Q. Wu, T. Li, Z. Li, G. R. Swenson, and S. J. Franke, "The seasonal variability of the diurnal tide in the mesosphere and lower thermosphere over Maui, HI (20.7N, 156.3W)," J. Geophys. Res., 116, D17103, doi:10.1029/2011JD015599, 2011.
  • Ejiri, Mitsumu K., Michael J. Taylor, Takuji Nakamura, Steven J. Franke, "Critical level interaction of a gravity wave with background winds driven by a large‐scale wave perturbation", J. Geophys. Res., 114, D18117, doi:10.1029/2008JD011381, 2009
  • Simkhada, Deepak B., J. B. Snively, M. J. Taylor, S. J. Franke, "Analysis and modeling of ducted and evanescent gravity waves observed in the Hawaiian airglow," Ann. Geophys., 27, 3213-3224, 2009.
  • Jiang, G., Jiyao Xu, S. J. Franke, "The 8-hour tide in the mesosphere and lower thermosphere over Maui (20.75N, 156.43W)." Ann. Geophys., 27, 1989–1999, 2009.
  • Xu, J., A. K. Smith, H.-L. Liu, W. Yuan, Q. Wu, G. Jiang, M. G., Mlynczak, J. M. Russell, III, and S. J. Franke (2009), Seasonal and quasi-biennial variations in the migrating diurnal tide observed by Thermosphere, Ionosphere, Mesosphere, Energetics and Dynamics (TIMED), J. Geophys. Res., 114, D13107, doi:10.1029/2008JD011298.
  • G. Jiang, Jiyao Xu, J. Xiong, Riping Ma, B. Ning, Y. Murayama, D. Thorsen, S. Gurubaran, R. A. Vincent, I. Reid, and S. J. Franke, "A case study of the mesospheric 6.5 day wave observed by radar systems," J. Geophys. Res., 113, D16111, doi:10.1029/2008JD009907.
  • Hecht J. H., A. Z. Liu, R. L. Walterscheid, S. J. Franke, R. J. Rudy, M. J. Taylor, P.-D. Pautet (2007), Characteristics of short-period wavelike features near 87 km altitude from airglow and lidar observations over Maui, J. Geophys. Res., 112, D16101, doi:10.1029/2006JD008148.
  • Pancheva, D. V., P. J. Mukhtarov, M. G. Shepherd, N. J. Mitchell, D. C. Fritts, D. M. Riggin, S. J. Franke, P. P. Batista, M. A. Abdu, I. S. Batista, B. R. Clemesha, and T. Kikuchi, "Two-day wave coupling of the low-latitude atmosphere-ionosphere system," Journal of Geophysical Research, Vol. 111, A07313, doi:10.1029/2005JA011562, 2006.
  • Wu, Qian, T. L. Killeen, D. A. Ortland, S. C. Solomon, R. D. Gablehouse, R. M. Johnson, W. R. Skinner, R. J. Niciejewski, S. J. Franke, "TIMED Doppler Interferometer (TIDI) observations of migrating diurnal and semi-diurnal tides," J. Atmos. and Solar Terrestrial Physics, Vol. 68, Issues 3-5, February, 2006, pages 408-417, doi: 10.1016/j.jastp.2005.02.031
  • Riggin, D. M., H-Li Liu, R. S. Lieberman, R. G. Roble, J. M. Russell III, C. J. Mertens, M. G. Mlynczak, D. Pancheva, S. J. Franke, Y. Murayama, A. H. Manson, C. E. Meek, R. A. Vincent, "Observations of the 5-day wave in the mesosphere and lower thermosphere," J. Atmos. and Solar-Terrest. Phys., Vol. 68, Issues, 305, February 2006, pages 323-339, doi: 10.1016/j. jastp.2005.05.010
  • Dyrud LP, Denney K, Urbina J, Janches D, Kudeki E, Franke S, "The meteor flux: It depends how you look", EARTH MOON AND PLANETS 95 (1-4): 89-100 DEC 2005
  • Tang, Jing, S. J. Franke, F. Kamalabadi, G. R. Swenson, "Motion Extraction of Atmospheric Waves", IEEE Geoscience and Remote Sensing Letters, Vol. 2, No. 2, 229-232, 2005.
  • Tang, J., F. Kamalabadi, S. J. Franke, A. Z. Liu, and G. R. Swenson, Estimation of gravity wave momentum flux with spectroscopic imaging, IEEE Trans. Geoscience and Remote Sensing, 43, 103-109, 2005.
  • Chu, X., C. S. Gardner, and S. J. Franke (2005), Nocturnal thermal structure of the mesosphere and lower thermosphere region at Maui, Hawaii (20.7N) and Starfire Optical Range, New Mexico (35N), J. Geophys. Res., 110, D09S03, doi:10.1029/2004JD004891.
  • Franke, S. J., X. Chu, A. Z. Liu, and W. K. Hocking (2005), Comparison of meteor radar and Na Doppler lidar measurements of winds in the mesopause region above Maui, Hawaii, J. Geophys. Res., 110, D09S02, doi:10.1029/2003JD004486.


IEEE Fellow (2005)

Teaching Honors

  • College of Engineering Advisors List for Advising Excellence, 1989,1992
  • MacArthur Foundation Course Development Grant, Summer, 1985
  • Everitt Award for Excellence in Undergraduate Teaching, 1996
  • College of Engineering Award for Excellence in Undergraduate Teaching, 1999
  • College of Engineering and Anderson Consulting Outstanding Advising Award, 2000
  • List of teachers ranked excellent by their students: Fall 1984; Spring 1985; Spring 1987; Fall 1987; Spring 1988; Fall 1988; Spring 1989; Spring 1994; Fall 1994; Spring 1995; Fall 1995; Spring 1997; Spring 1999; Fall 1999; Spring 2000; Fall 2000; Spring 2001; Fall 2001; Spring 2002; Spring 2003; Spring 2004; Fall 2004; Spring 2005; Fall 2005; Spring 2006; Fall 2006; Spring 2007; Spring 2008; Fall 2008; Spring 2009; Fall 2009; Spring 2010; Fall 2010; Spring 2011; Fall 2011; Spring 1012; Fall 2012; Spring 2013; Fall 2013.
  • College of Engineering Award for Excellence in Undergraduate Teaching, 2009.

Research Honors

  • NASA Goddard Group Achievement Award for the 1998 Coqui II Sounding Rocket Campaign, 1999
  • U.S. Young Scientist Award of URSI, 1987
  • Selected as one of the U.S. candidates for the Young Scientist Award of URSI, 1984