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Publications - 1993-1997

39. LaBelle, J., and A.T. Weatherwax, Ground-based observations of LF/MF/HF radio waves of auroral origin, Proceedings of the 1992 Cambridge Workshop in Geoplasma Physics, T. Chang, editor, Scientific Publishers, Cambridge, Mass., p. 223, 1993.
40. Weatherwax, A.T., J. LaBelle, M.L. Trimpi, and R. Brittain, Ground based observations of radio emissions near 2f_ce and 3f_ce in the auroral zone, Geophys. Res. Lett., 20, 1447, 1993. (Abstract)
41. LaBelle, J., R.A. Treumann, and E. Marsch, Elsässer variable analysis of fluctuations in the ion foreshock and undisturbed solar wind, J. Geophys. Res., 99, 65, 1994.  (Abstract) (Full Text)
42. Weatherwax, A.T., J. LaBelle, M.L. Trimpi, R. Brittain, and R.A. Treumann, Broadband enhancements in the MF/HF noise level observed at ground level in the auroral zone, J. Geophys. Res., 99, 2109, 1994. (Abstract)    (Full Text)
43. Lund, E.J., J. LaBelle, and R.A. Treumann, On quasi-thermal fluctuations near the plasma frequency in the outer plasmasphere: A case study, J. Geophys. Res., 99, 23651, 1994.  (Abstract) (Full Text)
44. Weatherwax, A.T., J. LaBelle, and M.L. Trimpi, A new type of auroral radio emission at 1.4-3.7 MHz observed from the ground, Geophys. Res. Lett., 21, 2753, 1994. (Abstract)
45. LaBelle, J., A.T. Weatherwax, M.L. Trimpi, R. Brittain, R.D. Hunsucker, and J.V. Olson, The spectrum of LF/MF/HF radio noise at ground level during geomagnetic substorms, Geophys. Res. Lett., 21, 2749, 1994. (Abstract)
46. Rosenberg, T.J., S. Singh, C.S. Wu, J. LaBelle, R.A. Treumann, U.S. Inan, and L.J. Lanzerotti, Correlated bursts of AKR and VLF emissions associated with a Type III solar radio noise event, J. Geophys. Res., 100, 281, 1995. (Abstract)     (Full Text)
47. Denton, R.E., S.P. Gary, X. Li, B.J. Anderson, J. LaBelle, and M. Lessard, Low-frequency fluctuations in the magnetosheath near the magnetopause, J. Geophys. Res., 100, 5665, 1995. (Abstract) (Full Text)
48. Li, X., H.R. Lewis, J. LaBelle, T.-D. Phan, and R.A. Treumann, Characteristics of the ion pressure tensor in the Earth's magnetosheath, Geophys. Res. Lett., 22, 667, 1995. (Abstract)
49. Weatherwax, A.T., J. LaBelle, M.L. Trimpi, R. Brittain, R.A. Treumann, and J. Minow, Statistical and case studies of 2f_ce and 3f_ce auroral roar from Alaska, J. Geophys. Res., 100, 7745, 1995. (Abstract) (Full Text)
50. LaBelle, J., M.L. Trimpi, R. Brittain, and A.T. Weatherwax, Fine structure of auroral roar emissions, J. Geophys. Res., 100, 21953, 1995. (Abstract) (Full Text)
51. Lund, E.J., J. LaBelle, M.C. Kelley, R.B. Torbert, W. Peria, K. Liou, F. Primdahl, C.A. Kletzing, H.C. Stenbaek-Nielsen, A. Ranta, G. Haerendel, and H. Frey, Observation of electromagnetic oxygen cyclotron waves in a flickering aurora, Geophys. Res. Lett., 22, 2465, 1995.
52. Lund, E.J., R.A. Treumann, and J. LaBelle, Quasi-thermal fluctuations in a beam-plasma system, Phys. Plasmas, 3, 1234, 1996. (Abstract) (Full Text - Available Locally, Courtesy of AIP)
53. Yoon, P.H., A.T. Weatherwax, T.J. Rosenberg, and J. LaBelle, Lower ionospheric cyclotron maser theory: A possible source of 2f_ce and 3f_ce auroral radio emissions, J. Geophys. Res., 101, 27015, 1996. (Abstract) (Full Text)
54. Jahn, J.-M., J. LaBelle, and R.A. Treumann, Evaluating the stationarity of equatorial spread F time series data, J. Atmos. Solar-Terr. Phys., 59, 439, 1997. (Abstract) (Full Text - Provided by Science Direct)
55. Jahn, J.-M., J. LaBelle, J.H.A. Sobral, T. Aggson, and W.B. Hanson, Simultaneous detection of an equatorial spread F bubble by ground-based photometers and the San Marco-5 satellite, to appear in J. Atmos. Solar-Terr. Phys., 59, 1601, 1997. (Abstract) (Full Text - Provided by Science Direct)
56. Carpenter, D.L., M. Galand, V.S. Sonwalkar, T.F. Bell, U.S. Inan, J. LaBelle, A.J. Smith, and T.D.G. Clark, Quasi-periodic 5--60 Hz s fluctuations of VLF signals propagating in the earth ionospherewaveguide: A result of pulsating particle precipitation?, J. Geophys. Res., 102, 347, 1997. (Abstract) (Full Text)
57. LaBelle, J., J.M. Jahn, R.F. Pfaff, W.E. Swartz, J.H.A. Sobral, M.A. Abdu, P. Muralikrishna, and E. dePaula, The Brazil/Guará campaign equatorial spread F experiment: Large-scale results, Geophys. Res. Lett., 24, 1691, 1997.
58. Musman, S., J.M. Jahn, J. LaBelle, and W.E. Swartz, Imaging spread-F structures using GPS observations at Alcantara, Brazil, Geophys. Res. Lett., 24, 1703, 1997.
59. Jahn, J.M., J. LaBelle, and R.F. Pfaff, Electric field measurements from the Brazil/Guará spread F rocket, Geophys. Res. Lett., 24, 1695, 1997.
60. Taylor, M.J., J.V. Eccles, J. LaBelle, and J.H.A. Sobral, High resolution OI (630 nm) image measurements of F-region depletion drifts during the Guará campaign, Geophys. Res. Lett., 24, 1699, 1997. (Full Text)
61. Pfaff, R.F., J.H.A. Sobral, M.A. Abdu, W.E. Swartz, J. LaBelle, M. Larsen, and R. Goldberg, The Guará campaign: A series of rocket-radar investigations of the Earth's upper atmosphere at the magnetic equator, Geophys. Res. Lett., 24, 1666, 1997.
62. Pfaff, R.F., J.H.A. Sobral, M.A. Abdu, W.E. Swartz, J. LaBelle, M. Larsen, and R. Goldberg, The Guará campaign: A series of rocket-radar investigations of the Earth's upper atmosphere at the magnetic equator, Geophys. Res. Lett., 24, 1666, 1997.
63. Lund, E.J., and J. LaBelle, On the generation and propagation of auroral electromagnetic ion cyclotron waves, J. Geophys. Res., 102, 17241, 1997. (Abstract ) (Full Text)
64. LaBelle, J., S.G. Shepherd, and M.L. Trimpi, Observations of auroral medium frequency burst emissions, J. Geophys. Res., 102, 22221, 1997. (Abstract) (Full Text)
65. Lund, E.J., M.L. Trimpi, E.H. Gewirtz, R.H. Cook, and J. LaBelle, The plasma frequency tracker: an instrument for probing the frequency structure of narrow band MF/HF electric fields, to appear in Proc. Chapman Conf. on Measurement Techniques, 1997.
66. Shepherd, S.G., J. LaBelle, and M.L. Trimpi, The polarization of auroral roar emissions, Geophys. Res. Lett., 24, 3161, 1997. (Abstract ) (Full Text)
67. LaBelle, J., Review of recent ground-level observations of terrestrial auroral radio emissions, Planet. Radio Emissions IV, ed. by H.O. Rucker, et al., Austrian Acad. Sci. Press, p. 283, 1997.