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Aponte et al.(2001)

Aponte, N., M. P. Sulzer, and S. A. González, Correction of the Jicamarca electron-ion temperature ratio problem: Verifying the effect of electron Coulomb collisions on the incoherent scatter spectrum, J. Geophys. Res., 106, 24,785-24,794, 2001.

Aponte et al.(2003)

Aponte, N., S. A. González, M. Sulzer, and M. Nicolls, F region neutral oxygen density above Arecibo for moderate-high solar flux, Geophys. Res. Lett., ??(??), ??, To Be Submitted, 2003.

Aponte et al.(2005)

Aponte, N., M. J. Nicolls, S. A. González, M. P. Sulzer, M. C. Kelley, E. Robles, and C. A. Tepley, Instantaneous electric field measurements and derived neutral winds at Arecibo, Geophys. Res. Lett., 32(L12107), doi:10.1029/2005GL022609, 2005.

Aponte et al.(2007)

Aponte, N., M. P. Sulzer, M. J. Nicolls, R. Nikoukar, and S. A. Sixto, Molecular ion composition measurements in the F1 region at Arecibo, J. Geophys. Res., 112(A6), doi:10.1029/2006JA012028, 2007.

Bernhardt et al.(1995)

Bernhardt, P. A., C. L. Siefring, P. Rodriguez, D. G. Haas, M. M. Baumback, H. A. Romero, D. A. Solin, F. T. Djuth, L. M. Duncan, D. E. Hunton, C. J. Pollock, M. P. Sulzer, C. A. Tepley, L. S. Wagner, and J. A. Goldstein, The Ionospheric Focused Heating experiment, J. Geophys. Res., 100, 17,331-17,346, 1995.

Bhatt et al.(2006)

Bhatt, A. N., E. A. G. Kendall, M. C. Kelley, M. P. Sulzer, and E. B. Shume, Observations of strong gyro line spectra at Arecibo near dawn, Geophys. Res. Lett., 33(14), doi:10.1029/2006GL026139, 2006.

Bishop et al.(2002)

Bishop, R. L., G. D. Earle, S. A. González, M. P. Sulzer, and S. C. Collins, Inferred vertical ion drifts associated with intermediate layers, J. Atmos. Solar Terr. Phys., 64, 1,471-1,477, 2002.

Bishop et al.(2006)

Bishop, R. L., N. Aponte, G. D. Earle, M. Sulzer, M. F. Larsen, and G. S. Peng, Arecibo observations of ionospheric perturbations associated with the passage of tropical storm odette, J. Geophys. Res., 111(A11), doi:10.1029/2006JA011976, 2006.

Buonsanto et al.(1999)

Buonsanto, M., S. A. González, X. Pi, J. M. Ruohoniemi, M. P. Sulzer, W. Swartz, J. Thayer, and D. N. Yuan, Radar Chain Study of the May, 1995 Storm, J. Atmos. Solar Terr. Phys., 61, 233-248, 1999.

Burnside et al.(1987)

Burnside, R. G., J. C. G. Walker, and M. P. Sulzer, Kinematic Properties of the F Region Ion Velocity Field Inferred From Incoherent Scatter Radar Measurements at Arecibo, J. Geophys. Res., 92(A4), 3,345-3,355, 1987.

Burnside et al.(1988)

Burnside, R. G., M. P. Sulzer, and J. C. G. Walker, Determination of Thermospheric Temperatures and Neutral Densities at Arecibo from the Ion Energy Balance, J. Geophys. Res., 93(A8), 8,642-8,650, 1988.

Burnside et al.(1991a)

Burnside, R. G., C. A. Tepley, and M. P. Sulzer, World Day observations at Arecibo: 1985 to 1989, J. Geophys. Res., 96(A3), 3,691-3,710, 1991a.

Burnside et al.(1991b)

Burnside, R. G., C. A. Tepley, M. P. Sulzer, T. J. Fuller-Rowell, and D. G. Torr, The Neutral Thermosphere at Arecibo During Geomagnetic Storms, J. Geophys. Res., 96(A2), 1,289-1,301, 1991b.

Cho et al.(1998)

Cho, J. Y. N., M. P. Sulzer, and M. C. Kelley, Meteoric dust effects on D-region incoherent scatter radar spectra, J. Atmos. Terr. Phys., 60, 349-357, 1998.

Coles et al.(2006)

Coles, W. A., J. K. Harmon, M. P. Sulzer, J. L. Chau, and R. F. Woodman, An upper bound on the solar radar cross section at 50 MHz, J. Geophys. Res., 111(A04102), doi:10.1029/2005JA011416, 2006.

Collins et al.(2002)

Collins, S. C., J. M. C. Plane, M. C. Kelley, T. G. Wright, P. Soldán, T. J. Kane, A. J. Gerrard, B. W. Grime, R. J. Rollason, J. S. Friedman, S. A. González, Q. Zhou, M. P. Sulzer, and C. A. Tepley, A study of the role of ion-molecule chemistry in the formation of sporadic sodium layers, J. Atmos. Terr. Phys., 64, 845-860, 2002.

Djuth et al.(1987a)

Djuth, F. T., R. J. Jost, S. T. Noble, H. M. Ierkic, and M. P. Sulzer, Observations of HF-Enhanced Ion Waves in the Ionosphere, Geophys. Res. Lett., 14(3), 194-197, 1987a.

Djuth et al.(1987b)

Djuth, F. T., B. Thide, H. M. Ierkic, and M. P. Sulzer, Large F-region electron-temperature enhancements generated by high-power HF radio waves, Geophys. Res. Lett., 14, 953-956, 1987b.

Djuth et al.(1990)

Djuth, F. T., J. H. Elder, and M. P. Sulzer, High resolution observations of HF-induced plasma waves in the ionosphere, Geophys. Res. Lett., 17, 1,893-1,896, 1990.

Djuth et al.(1994a)

Djuth, F. T., P. Stubbe, M. P. Sulzer, H. Kohl, M. T. Rietveld, and J. H. Elder, Altitude characteristics of plasma turbulence excited with the Tromso superheater, J. Geophys. Res., 99, 333-339, 1994a.

Djuth et al.(1994b)

Djuth, F. T., M. P. Sulzer, and J. H. Elder, Application of the coded long-pulse technique to plasma line studies of the ionosphere, Geophys. Res. Lett., 21, 2,725-2,728, 1994b.

Djuth et al.(1995)

Djuth, F. T., M. P. Sulzer, J. H. Elder, and K. M. Groves, The CRRES AA 2 release: HF wave-plasma interactions in a dense Ba⁺ cloud, J. Geophys. Res., 100, 17,347-17,366, 1995.

Djuth et al.(1997)

Djuth, F. T., M. P. Sulzer, J. H. Elder, and V. B. Wickwar, High-Resolution Studies of Atmosphere-ionosphere Coupling at Arecibo Observatory, Puerto Rico, Radio Sci., 32, 2,321, 1997.

Djuth et al.(1999)

Djuth, F. T., P. A. Bernhardt, C. A. Tepley, J. A. Gardner, M. C. Kelley, A. L. Broadfoot, L. M. Kagan, M. P. Sulzer, J. H. Elder, C. Selcher, B. Isham, C. Brown, and H. C. Carlson, Large airglow enhancements produced via wave-plasma interactions in sporadic E, Geophys. Res. Lett., 26, 1,557, 1999.

Djuth et al.(2004)

Djuth, F. T., M. P. Sulzer, S. A. Gonzalez, J. D. Mathews, J. H. Elder, and R. L. Walterscheid, A continuum of gravity waves in the Arecibo thermosphere?, Geophys. Res. Lett., 31(L16801), doi:10.1029/2003GL019376, 2004.

Earle et al.(2000)

Earle, G. D., R. L. Bishop, S. C. Collins, S. A. González, and M. P. Sulzer, Descending layer variability over Arecibo, J. Geophys. Res., 105, 24,951-24,962, 2000.

Fejer and Sulzer(1984)

Fejer, J. A., and M. P. Sulzer, The HF-induced plasma line below threshold, Radio Sci., 19(2), 675-682, 1984.

Fejer and Sulzer(1987)

Fejer, J. A., and M. P. Sulzer, Observation of Suprathermal Electron Fluxes During Ionospheric Modification Experiments, J. Geophys. Res., 92(A4), 3,441-3,444, 1987.

Fejer et al.(1983)

Fejer, J. A., H. M. Ierkic, M. Sulzer, R. A. Behnke, A. Veldhuis, R. F. Woodman, and J. Roettger, Observations of HF-enhanced plasma line with a 46.8-MHz radar and reinterpretation of previous observations with the 430-MHz radar, J. Geophys. Res., 88, 2,083-2,092, 1983.

Fejer et al.(1985)

Fejer, J. A., C. A. Gonzales, H. M. Ierkic, M. P. Sulzer, C. A. Tepley, L. M. Duncan, F. T. Djuth, S. Ganguly, and W. E. Gordon, Ionospheric modification experiments with the Arecibo Heating Facility, J. Atmos. Terr. Phys., 47(12), 1,165-1,179, 1985.

Fejer et al.(1989)

Fejer, J. A., F. T. Djuth, H. M. Ierkic, and M. P. Sulzer, Simultaneous observations of the enhanced plasma line and of the reflected HF wave at Arecibo, J. Atmos. Terr. Phys., 51(9/10), 721-725, 1989.

Fejer et al.(1991)

Fejer, J. A., M. P. Sulzer, and F. T. Djuth, Height dependence of the observed spectrum of radar backscatter from HF-induced ionospheric Langmuir turbulence, J. Geophys. Res., 96, 15,985, 1991.

Fesen et al.(1997)

Fesen, C. G., B. A. Emery, M. J. Buonsanto, Q. H. Zhou, and M. P. Sulzer, Simulations of the F region during the January 1993 10-day campaign, J. Geophys. Res., 102, 7,249-7,266, 1997.

Friedman et al.(2000)

Friedman, J. S., S. A. González, C. A. Tepley, Q. Zhou, M. P. Sulzer, S. C. Collins, and B. W. Grime, Simultaneous atomic and ion layer enhancements observed in the mesopause region over Arecibo during the Coqui II sounding rocket campaign, Geophys. Res. Lett., 27, 449-452, 2000.

Fritts et al.(2006)

Fritts, D. C., D. Janches, D. M. Riggin, R. G. Stockwell, and S. Sulzer, M. P. González, Gravity waves and momentum fluxes in the mesosphere and lower thermosphere using 430 MHz dual-beam measurements at Arecibo: 2. Frequency spectra, momentum fluxes, and variability, J. Geophys. Res., 111(D18), doi:10.1029/2005JD006883, 2006.

González and Sulzer(1996)

González, S. A., and M. P. Sulzer, Detection of He⁺ layering in the topside ionosphere over Arecibo during equinox solar minimum conditions, Geophys. Res. Lett., 23, 2,509-2,512, 1996.

González et al.(2003)

González, S. A., M. P. Sulzer, M. Nicolls, and R. B. Kerr, Variations in the Topside Helium Ion Concentrations Over Arecibo Between October 1988 and October 1995, J. Geophys. Res., ??(??), ??, Submitted on June 2003, 2003.

González et al.(2005)

González, S. A., M. J. Nicolls, M. P. Sulzer, and N. Aponte, An energy balance studies of the lower topside ionosphere using the Arecibo incoherent scatter radar and heating facilities, J. Geophys. Res., 110(A11), doi:10.1029/2005JA011154, 2005.

Hagfors et al.(1984)

Hagfors, T., W. Birkmayer, and M. Sulzer, A new method for accurate ionospheric electron density measurements by incoherent scatter radar, J. Geophys. Res., 89, 6,841-6,845, 1984.

Harmon et al.(1991a)

Harmon, J. K., M. P. Sulzer, and P. Perillat, Lunar and Planetary Science Conference, in , vol. 22, p. 513, 1991a.

Harmon et al.(1991b)

Harmon, J. K., M. P. Sulzer, and P. Perillat, Mars radar mapping: Strong depolarized echoes from the Elysium/Amazonis outflow channel complex, Lunar and Planetary Inst., 22nd Lunar and Planetary Science Conference p 19-21 (SEE N91-19995 11-91), 22, 19-21, 1991b.

Harmon et al.(1992)

Harmon, J. K., M. P. Sulzer, P. J. Perillat, and J. F. Chandler, Mars radar mapping - Strong backscatter from the Elysium basin and outflow channel, Icarus, 95, 153-156, 1992.

Hirota et al.(1983)

Hirota, I., Y. Maekawa, S. Fukao, K. Fukuyama, M. P. Sulzer, J. L. Fellous, T. Tsuda, and S. Kato, Fifteen-Day Observation of Mesospheric and Lower Thermospheric Motions with the Aid of the Arecibo UHF Radar, J. Geophys. Res., 88(C11), 6,835-6,842, 1983.

Isham et al.(2000)

Isham, B., C. A. Tepley, M. P. Sulzer, Q. H. Zhou, M. C. Kelley, J. S. Friedman, and S. A. González, Upper atmospheric observations at the Arecibo Observatory: Examples obtained using new capabilities, J. Geophys. Res., 105(A8), 18,609-18,637, 2000.

Janches et al.(2006)

Janches, D., D. C. Fritts, D. M. Riggin, and S. Sulzer, M. P. González, Gravity waves and momentum fluxes in the mesosphere and lower thermosphere using 430 MHz dual-beam measurements at Arecibo: 1. Measurements, methods, and gravity waves, J. Geophys. Res., 111(D18), doi:10.1029/2005JD006882, 2006.

Kelley et al.(1995)

Kelley, M. C., T. L. Arce, J. Salowey, M. Sulzer, W. T. Armstrong, M. Carter, and L. Duncan, Density depletions at the 10-m scale induced by the Arecibo heater, J. Geophys. Res., 100, 17,367-17,376, 1995.

Kelley et al.(2000)

Kelley, M. C., J. J. Makela, A. Saito, N. Aponte, M. Sulzer, and S. A. González, On the electical structure of airglow depletion/height layer bands over Arecibo, Geophys. Res. Lett., 27(18), 2,837-2,840, 2000.

Lee et al.(1997)

Lee, M. C., R. J. Riddolls, K. D. Vilece, N. E. Dalrymple, M. J. Rowlands, D. T. Moriarty, K. M. Groves, M. P. Sulzer, and S. P. Kuo, Laboratory reproduction of Arecibo experimental results: HF wave-enhanced Langmuir waves, Geophys. Res. Lett., 24, 115, 1997.

Lee et al.(1998a)

Lee, M. C., R. J. Riddolls, W. J. Burke, M. P. Sulzer, E. M. C. Klien, M. J. Rowlands, and S. P. Kuo, Ionospheric plasma bubble generated by Arecibo heater, Geophys. Res. Lett., 25, 579, 1998a.

Lee et al.(1998b)

Lee, M. C., R. J. Riddolls, W. J. Burke, M. P. Sulzer, S. P. Kuo, and E. M. C. Klien, Generation of large sheetlike ionospheric plasma irregularities at Arecibo, Geophys. Res. Lett., 25, 3,067, 1998b.

Lee et al.(1999)

Lee, M. C., E. M. C. Klien, W. J. Burke, A. X. Zhang, R. J. Riddolls, S. P. Kuo, M. P. Sulzer, and B. Isham, Augmentation of natural ionospheric plasma turbulence by HF heater waves, Geophys. Res. Lett., 26, 37, 1999.

Luan et al.(2006)

Luan, X., L. Liu, W. Wan, J. Lei, S.-R. Zhang, J. M. Holt, and M. P. Sulzer, A study of the shape of topside electron density profile derived from incoherent scatter radar measurements over Arecibo and Millstone Hill, Radio Sci., 41(4), doi:10.1029/2005RS003367, 2006.

MacPherson et al.(1998)

MacPherson, B., S. A. González, G. J. Bailey, R. J. Moffett, and M. P. Sulzer, The effects of meridional neutral winds on the O⁺ - H⁺ transition altitude over Arecibo, J. Geophys. Res., 103, 29,183-29,198, 1998.

MacPherson et al.(2000a)

MacPherson, B., S. A. González, X. Pi, M. Kelley, G. J. Bailey, M. P. Sulzer, G. Hajj, M. Buonsanto, and C. Wang, Comparison between SUPIM simulations and measured TEC for the January, 1997 storm, Geophys. Res. Lett., 27, 2,845-2,848, 2000a.

MacPherson et al.(2000b)

MacPherson, B., S. A. González, M. P. Sulzer, G. J. Bailey, F. Djuth, and P. Rodriguez, Measurements of the topside ionosphere over Arecibo during the total solar eclipse of February 26, 1998, J. Geophys. Res., 105, 23,055-23,068, 2000b.

Maekawa et al.(1987)

Maekawa, Y., S. Fukao, I. Hirota, M. P. Sulzer, and S. Kato, Some further results on long term mesospheric and lower thermospheric wind observations by the Arecibo UHF radar, J. Atmos. Terr. Phys., 49(1), 63-71, 1987.

Mathews et al.(1981)

Mathews, J. D., M. P. Sulzer, C. A. Tepley, R. Bernard, J. L. Fellous, M. Glass, M. Massebeuf, S. Ganguly, R. M. Harper, and R. A. Behnke, A comparison between Thomson scatter and meteor radar wind measurements in the 65-105 km altitude region at Arecibo, Planet. Space Sci., 29, 341-348, 1981.

Mathews et al.(1988)

Mathews, J. D., J. K. Breakall, and M. P. Sulzer, The moon as a calibration target of convenience for VHF-UHF radar systems, Radio Sci., 23, 1-12, 1988.

Mathews et al.(1997)

Mathews, J. D., M. P. Sulzer, and P. Perillat, Aspects of layer electrodynamics inferred from high-resolution ISR observations of the 80-270 km ionosphere, Geophys. Res. Lett., 24, 1,411, 1997.

Mathews et al.(2001)

Mathews, J. D., S. González, M. P. Sulzer, Q. H. Zhou, J. Urbina, E. Kudeki, and S. Franke, Kilometer-Scale Layered Structures Inside Spread-F, Geophys. Res. Lett., 28, 4,167, 2001.

Melendez-Alvira, D. J. and Picone, J. M. and Kelley, O. A. and Zhou, Q. and Sulzer, M.  P.(1998)

Melendez-Alvira, D. J. and Picone, J. M. and Kelley, O. A. and Zhou, Q. and Sulzer, M. P., Histograms of Arecibo World Days Measurements and Linear-H Fits Between 1985 and 1995, NRL/MR/7640-98-8311, 1998.

Melendez-Alvira, D. J. and Picone, J. M. and Kelley, O. A. and Zhou, Q. and Sulzer, M.  P.(2000)

Melendez-Alvira, D. J. and Picone, J. M. and Kelley, O. A. and Zhou, Q. and Sulzer, M. P., Bimodality in the Climatological Topside Electron and Exoxpheric temperature Distribution at Arecibo, Radio Sci., 36, 311, 2000.

Mendillo et al.(2002)

Mendillo, M., F. Roesler, C. Gardner, and M. Sulzer, The Application of Terrestrial Aeronomy Groundbased Instruments to Planetary Studies, in Atmospheres in the Solar System: Comparative Aeronomy, Geophysical Monograph Series, vol. 130, edited by M. Mendillo, A. Nagy, and J. H. Waite, Amer Geophysical Union, 388 pages, ISBN 0-87590-989-2, AGU Code GM130-9892, 2002.

Nicolls et al.(2006a)

Nicolls, M. J., N. Aponte, S. González, M. P. Sulzer, and W. L. Olliver, Daytime F region ion energy balance at arecibo for moderate to high solar flux conditions, J. Geophys. Res., 111(A10), doi:10.1029/2006JA011664, 2006a.

Nicolls et al.(2006b)

Nicolls, M. J., M. P. Sulzer, N. Aponte, R. Seal, R. Nikoukar, and S. González, High-resolution electron temperature measurements using the plasma line asymmetry, Geophys. Res. Lett., 33(18), doi:10.1029/2006GL027222, 2006b.

Noto et al.(1998)

Noto, J., R. B. Kerr, E. M. Shea, L. S. Waldrop, G. Fisher, R. J. Rudy, J. H. Hecht, S. A. Gonzalez, M. P. Sulzer, and R. Garcia, Evidence for recombination as a significant source of metastable helium, J. Geophys. Res., 103, 11,595-11,604, 1998.

Padripta et al.(2007)

Padripta, R., A. Labno, M. C. Lee, W. J. Burke, M. P. Sulzer, J. A. Cohen, L. M. Burton, S. P. Kuo, and D. L. Rokusek, Electron precipitation from the inner radiation belt above arecibo, Geophys. Res. Lett., 34(8), doi:10.1029/2007GL029807, 2007.

Scali et al.(1997)

Scali, J. L., B. W. Reinisch, P. G. Richards, Q. Zhou, M. Sulzer, and W. E. Swartz, Comparison of incoherent scatter radar and Digisonde measurements with field line interhemispheric plasma modeled results at middle and low latitudes, J. Geophys. Res., 102, 7,345-7,356, 1997.

Sulzer and Woodman(1984)

Sulzer, M., and R. F. Woodman, Quasi-complementary codes: A new technique fro MST radar sounding, Radio Sci., 19(1), 1,146-1,154, 1984.

Sulzer and Woodman(1985)

Sulzer, M., and R. F. Woodman, Pulse compression hardware decoding techniques for MST radars, Radio Sci., 20(6), 337-344, 1985.

Sulzer et al.(1976)

Sulzer, M., A. Tomko, A. J. Ferraro, and H. S. Lee, Complementary cross modulation - A new technique for ionospheric modification studies, J. Geophys. Res., 81, 4,754-4,756, 1976.

Sulzer et al.(1984)

Sulzer, M., H. M. Ierkic, J. A. Fejer, and R. L. Showen, HF-Enhanced Ion and Plasma Line Spectra With Two Pumps, J. Geophys. Res., 89(A8), 6,804-6,812, 1984.

Sulzer(1979)

Sulzer, M. P., The detection of atmospheric gravity waves by means of the wave interaction experiment, Ph.D. thesis, Pennsylvania State University, University Park, PA, 1979.

Sulzer(1986)

Sulzer, M. P., A phase modulation technique for a sevenfold statistical improvement in incoherent scatter data-taking, Radio Sci., 21(4), 737-744, 1986.

Sulzer(1993)

Sulzer, M. P., A New Type of Alternating Code for Incoherent Scatter Measurements, Radio Sci., 56, 538, 1993.

Sulzer and Fejer(1991)

Sulzer, M. P., and J. A. Fejer, Simultaneous Observations of 46.8-MHz and 430-MHz Radar Backscatter From HF-Induced Ionospheric Langmuir Turbulence, J. Geophys. Res., 96(A10), 17,891-17,895, 1991.

Sulzer and Fejer(1994)

Sulzer, M. P., and J. A. Fejer, Radar spectral observations of HF-induced ionospheric Langmuir turbulence with improved range and time resolution, J. Geophys. Res., 99, 15,035-15,050, 1994.

Sulzer and González(1999)

Sulzer, M. P., and S. González, The effect of electron Coulomb collisions on the incoherent scatter spectrum in the F region at Jicamarca, J. Geophys. Res., 104, 22,535-22,552, 1999.

Sulzer and González(1996)

Sulzer, M. P., and S. A. González, Simultaneous measurements of O⁺ and H⁺ temperatures in the topside ionosphere over Arecibo, Geophys. Res. Lett., 23, 3,235, 1996.

Sulzer et al.(1982)

Sulzer, M. P., J. D. Mathews, and A. A. Tomko, A UHF cross-modulation D region heating experiment with aeronomic implications, Radio Sci., 17(2), 435-443, 1982.

Sulzer et al.(1989)

Sulzer, M. P., H. M. Ierkic, and J. A. Fejer, Observational Limitations on the Role of Langmuir Cavitons in Ionospheric Modification Experiments at Arecibo, J. Geophys. Res., 94(A6), 6,841-6,854, 1989.

Sulzer et al.(2005)

Sulzer, M. P., N. Aponte, and S. A. González, Application of linear regularization methods to Arecibo vector velocities, J. Geophys. Res., 110(A10), doi:10.1029/2005JA011042, 2005.

Swartz et al.(2000)

Swartz, W. E., M. C. Kelley, J. J. Makela, S. C. Collins, E. Kudeki, S. Franke, J. Urbina, N. Aponte, M. P. Sulzer, and S. A. González, Coherent and incoherent scatter radar observations during intense mid-latitude spread F, Geophys. Res. Lett., 27(18), 2,829-2,832, 2000.

Swartz et al.(2002)

Swartz, W. E., S. C. Collins, M. C. Kelley, J. J. Makela, E. Kudeki, S. Franke, J. Urbina, N. Aponte, S. González, M. P. Sulzer, and J. S. Friedman, First observations of an F-region turbulent upwelling coincident with severe E-region plasma and neutral atmosphere perturbations, J. Atmos. Solar Terr. Phys., 64, 1,545-1556,, 2002.

Tepley et al.(1985)

Tepley, C. A., M. P. Sulzer, and J. A. Fejer, Observations of plasma line enhancements due to electrons accelerated by HF-induced parametric instabilities and of the resulting airglow. Paper in: HF-induced plasma line, electron acceleration, and resulting airglow, L. M. Duncan previewer, J. Atmos. Terr. Phys., 47, 1,267-1,281, 1985.

Thidé et al.(1989)

Thidé, B., Å. Hedberg, J. A. Fejer, and M. P. Sulzer, First Observations of Stimulated Electromagnetic Emission at Arecibo, Geophys. Res. Lett., 16(5), 369-372, 1989.

Tsuda et al.(1985)

Tsuda, T., K. Hirose, S. Kato, and M. P. Sulzer, Some findings on correlation between the stratospheric echo power and the wind shear observed by the Arecibo UHF radar, Radio Sci., 20(6), 1,503-1,508, 1985.

Waldrop et al.(2006)

Waldrop, E., L. S. Kudeki, S. A. González, M. P. Sulzer, R. Garcia, M. Butala, and F. Kamalabadi, Derivation of neutral oxygen density under charge exchange in the midlatitude topside ionosphere, J. Geophys. Res., 111(A11), doi:10.1029/2005JA011496, 2006.

Waldrop et al.(2005)

Waldrop, L. S., R. B. Kerr, S. A. González, M. P. Sulzer, J. Noto, and F. Kamalabadi, Generation of metastable helium and the 1083 nm emission in the upper thermosphere, J. Geophys. Res., 110(A8), doi:10.1029/2004JA010855, 2005.

Zhang et al.(2005)

Zhang, S.-R., J. M. Holt, A. P. van Eyken, M. McCready, C. Amory-Mazaudier, S. Fukao, and M. Sulzer, Ionospheric local model and climatology from long-term databases of multiple incoherent scatter radars, Geophys. Res. Lett., doi:10.1029/2005GL023603, 2005.

Zhou et al.(1995)

Zhou, Q., C. A. Tepley, and M. P. Sulzer, Meteor observations by the Arecibo 430 MHz incoherent scatter radar- I. Results from time-integrated observations, J. Atmos. Terr. Phys., 57, 421-431, 1995.

Zhou and Sulzer(1997)

Zhou, Q. H., and M. P. Sulzer, Incoherent scatter radar observations of the F-region ionosphere at Arecibo during January 1993, J. Atmos. Terr. Phys., 59, 2,213-2,229, 1997.

Zhou et al.(1997a)

Zhou, Q. H., M. P. Sulzer, and C. A. Tepley, An analysis of tidal and planetary waves in the neutral winds and temperature observed at low-latitude E region heights, J. Geophys. Res., 102, 11,491-11,506, 1997a.

Zhou et al.(1997b)

Zhou, Q. H., M. P. Sulzer, C. A. Tepley, C. G. Fesen, R. G. Roble, and M. C. Kelley, Neutral winds and temperature in the tropical mesosphere and lower thermosphere during January 1993: Observation and comparison with TIME-GCM results, J. Geophys. Res., 102, 11,507-11,520, 1997b.