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  1. 1
    دورية أكاديمية

    المساهمون: Pezzopane, M., Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia, Zuccheretti, E., Abadi, P., Division of Ionosphere and Telecommunication, Space Science Center, Indonesian National Institute of Aeronautics and Space (LAPAN), Indonesia, A.J. de Abreu, A. J., Universidade do Vale do Paraíba, São José dos Campos, Brazil, de Jesus, R., Fagundes, P. R., Supnithi, P., Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailand, Rungraengwajiake, S., Nagatsuma, T., Space Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japan, Tsugawa, T., Cabrera, M. A., Laboratorio de Telecomunicaciones, DEEC, FACET, Universidad Nacional de Tucumán, Tucumán, Argentina, Ezquer, R. G., Laboratorio de Ionósfera, Departamento de Física, FACET, Universidad Nacional de Tucumán, Tucumán, Argentina, #PLACEHOLDER_PARENT_METADATA_VALUE#

    العلاقة: Annales Geophysicae; / 31 (2013); Aarons, J.: The longitudinal morphology of equatorial F-layer irregularities relevant to their occurrence, Space Sci. Rev., 63, 209–243, 1993. Abdu, M. A.: Outstanding problems in the equatorial ionosphere thermosphere electrodynamics relevant to spread F, J. Atmos. Solar-Terr. Phys., 63, 869–884, 2001. Abdu, M. A., Bittencourt, J. A., and Batista, I. S.: Magnetic declination control of the equatorial F region dynamo field development and Spread-F, J. Geophys. Res., 86, 11443–11446, 1981. Abdu, M. A., Sobral, J. H. A., Nelson, O. R., and Batista, I. S.: Solar cycle related range type spread-F occurrence characteristics over equatorial and low latitude stations in Brazil, J. Atmos. Terr. Phys., 47, 901–905, 1985. Abdu, M. A., Batista, I. S., and Sobral, J. H. A.: A new aspect of magnetic declination control of equatorial spread F and F region dynamo, J. Geophys. Res., 97, 14897–14904, doi:10.1029/92JA00826, 1992. Abdu, M. A., Iyer, K. N., de Medeiros, R. T., Batista, I. S., and Sobral, J. H. A.: Thermospheric meridional wind control of equatorial spread F and evening prereversal electric field, Geophys. Res. Lett., 33, L07106, doi:10.1029/2005GL024835, 2006. Batista, I. S., Abdu, M. A., and Bittencourt, J. A.: Equatorial Fregion vertical plasma drifts: seasonal and longitudinal asymmetries in the American sector, J. Geophys. Res., 91, 12055–12064, 1986. Bertoni, F. C. P., Sahai, Y., Raulin, J. P., Fagundes, P., Pillat, R. V. G., Gimenez de Castro, C. G. W., and Lima, L. C.: Equatorial spread-F occurrence observed at two near equatorial stations in the Brazilian sector and its occurrence modulated by planetary waves, J. Atmos. Solar-Terr. Phys., 73, 457–463, doi:10.1016/j.jastp.2010.10.017, 2011. Bhaneja, P., Earle, G. D., Bishop, R. L., Bullett, T. W., Mabie, J., and Redmon, R.: A statistical study of midlatitude spread F at Wallops Island, Virginia, J. Geophys. Res., 114, A04301, doi:10.1029/2008JA013212, 2009. Booker, H. G. and Wells, H. W.: Scattering of radio waves by the F-region of the ionosphere, J. Geophys. Res., 43, 249–256, 1938. Cabrera, M. A., Pezzopane, M., Zuccheretti, E., and Ezquer, R. G.: Satellite traces, range spread-F occurrence, and gravity wave propagation at the southern anomaly crest, Ann. Geophys., 28, 1133–1140, doi:10.5194/angeo-28-1133-2010, 2010. Candido, C. M. N., Batista, I. S., Becker-Guedes, F., Abdu, M. A., Sobral, J. H. A., and Takahashi, H.: Spread F occurrence over a southern anomaly crest location in Brazil during June solstice of solar minimum activity, J. Geophys. Res., 116, A06316, doi:10.1029/2010JA016374, 2011. Chandra, H. and Rastogi, R. G.: Solar cycle and seasonal variation of spread-F near the magnetic equator, J. Atmos. Terr. Phys., 32, 439–443, 1970. Fagundes, P. R., Abalde, J. R., Bittencourt, J. A., Sahai, Y., Francisco, R. G., Pillat, V. G., and Lima, W. L. C.: F layer postsunset height rise due to electric field prereversal enhancement: 2. Traveling planetary wave ionospheric disturbances and their role on the generation of equatorial spread F, J. Geophys. Res., 114, A12322, doi:10.1029/2009JA014482, 2009. Fejer, B. G., Scherliess, L., and de Paula, E. R.: Effects of the vertical plasma drift velocity on the generation and evolution of equatorial spread F, J. Geophys. Res., 104, 19859–19869, 1999. Hoang, T. L., Abdu, M. A., MacDougall, J., and Batista, I. S.: Longitudinal differences in the equatorial spread F characteristics between Vietnam and Brazil, Adv. Space Res., 45, 351–360, doi:10.1016/j.asr.2009.08.019, 2010. Huang, W. Q., Xiao, Z., Xiao, S. G., Zhang, D. H., Hao, Y. Q., and Suo, Y. C.: Case study of apparent longitudinal differences of spread F occurrence fort two midlatitude stations, Radio Sci., 46, RS1015, doi:10.1029/2009RS004327, 2011. Hysell, D. L. and Burcham, J.: Long term studies of equatorial spread F using the JULIA radar at Jicamarca, J. Atmos. Solar-Terr. Phys., 64, 1531–1543, 2002. Kelley, M. C.: The Earth’s Ionosphere: Plasma Physics and Electrodynamics, Int. Geophys. Ser., vol. 96, Elsevier Inc., pp. 556, 2009. Klausner, V., Fagundes, P. R., Sahai, Y., Wrasse, C. M., Pillat, V. G., and Becker-Guedes, F.: Observations of GW/TID oscillations in the F2 layer at low latitude during high and low solar activity, geomagnetic quiet and disturbed periods, J. Geophys. Res., 114, A02313, doi:10.1029/2008JA013448, 2009. MacDougall, J. W., Grant, I. F., and Shen, X.: The Canadian Advanced Digital Ionosonde: Design and Results, paper presented at 24th General Assembly of the International Union of Radio Science, Kyoto, Japan, 1993. Ossakow, S. L.: Spread-F theories-A review, J. Atmos. Terr. Phys., 43, 437–452, 1981. Pezzopane, M., Zuccheretti, E., Bianchi, C., Scotto, C., Zolesi, B., Cabrera, M. A., and Ezquer, R. G.: The new ionospheric station of Tucumán: First results, Ann. Geophys.-Italy, 50, 483–492, 2007. Pimenta, A. A., Fagundes, P. R., Bittencourt, J. A., and Sahai, Y.: Relevant aspects of equatorial plasma bubbles under different solar activity conditions, Adv. Space Res., 27, 1213–1218, 2001. Rastogi, R. G.: Seasonal and solar cycle variations of equatorial spread-F in the American zone, J. Atmos. Terr. Phys., 42, 593–597, 1980. Sahai, Y., Fagundes, P. R., and Bittencourt, J. A.: Transequatorial Fregion ionospheric plasma bubbles: solar cycle effects, J. Atmos. Solar-Terr. Phys., 62, 1377–1383, 2000. Saito, S. and Maruyama, T.: Ionospheric height variations observed by ionosondes along magnetic meridian and plasma bubble onsets, Ann. Geophys., 24, 2991–2996, doi:10.5194/angeo-24-2991-2006, 2006. Sastri, J. H., Abdu, M. A., Batista, I. S., and Sobral, J. H. A.: Onset conditions of equatorial (range) spread F at Fortaleza, Brazil, during the June solstice, J. Geophys. Res., 102, 24013–24021,1997. Sultan, P. J.: Linear theory and modeling of the Rayleigh-Taylor instability leading to the occurrence of equatorial F, J. Geophys. Res., 101, 26875–26891, 1996. Tsunoda, R. T.: Satellite traces: An ionogram signature for large scale wave structure and a precursor for equatorial spread F, Geophys. Res. Lett., 35, L20110, doi:10.1029/2008GL035706, 2008. Whalen, J. A.: Dependence of the equatorial bubbles and bottomside spread F on season, geomagnetic activity and E ×B drift velocity during solar maximum, J. Geophys. Res., 107, 1024, doi:10.1029/2001JA000039, 2002.; http://hdl.handle.net/2122/8509Test; http://www.ann-geophys.net/31/153/2013Test/

  2. 2
    دورية أكاديمية
  3. 3
    دورية أكاديمية

    المساهمون: Cabrera, M. A., Pezzopane, M., Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia, Zuccheretti, E., Ezquer, R. G., #PLACEHOLDER_PARENT_METADATA_VALUE#

    العلاقة: Annales Geophysicae; 5/28(2010); Aarons, J., Buchaw, J., Basu, S., and McClure, J. P.: The localized origin of equatorial F region irregularity patches, J. Geophys. Res., 83, 1659–1664, 1978. Abdu, M. A., Batista, I. S., and Bittencourt, J. A.: Some characteristics of spread F at the magnetic equatorial station Fortaleza, J. Geophys. Res., 86, 6836–6842, 1981. Abdu, M. A., Batista, I. S., Kantor, I. J., and Sobral, J. H. A.: Gravity wave induced ionization layers in the night F-region over Cachoeira Paulista (22 S, 45 W), J. Atmos. Terr. Phys., 44, 759– 767, 1982. Abdu, M. A., Alam Kherani, E., Batista, I. S., de Paula, E. R., Fritts, D. C., and Sobral, J. H. A.: Gravity wave initiation of equatorial spread F/plasma bubble irregularities based on observational data from the SpreadFEx campaign, Ann. Geophys., 27, 2607–2622, doi:10.5194/angeo-27-2607-2009, 2009. Argo, P. E. and Kelley, M. C.: Digital ionosonde observations during equatorial spread F, J. Geophys. Res., 91, 5539–5555, 1986. Balsley, B. B., Haerendel, G., and Greenwald, R. A.: Equatorial spread F: Recent observations and a new interpretation, J. Geophys. Res., 77, 5625–5628, 1972. Chen, W. S., Lee, C. C., Liu, J. Y., Chu, F. D., and Reinisch, B. W.: Digisonde spread F and GPS phase fluctuations in the equatorial ionosphere during solar maximum, J. Geophys. Res., 111, A12305, doi:10.1029/2006JA011688, 2006. Cohen, R. and Bowles, K. L.: On the nature of equatorial spread F, J. Geophys. Res., 66, 1081–1106, 1961. Dabas, R. S., Das, R. M., Sharma, K., Garg, S. C., Devasia, C. V., Subbarao, K. S. V., Niranjan, K., and Rama Rao, P. V. S.: Equatorial and low latitude spread-F irregularity characteristics over the Indian region and their prediction possibilities, J. Atmos. Sol. Terr. Phys., 69, 685–696, doi:10.1016/j.jastp.2007.01.002, 2007. Fagundes, P. R., Klausner, V., Sahai, Y., Pillat, V. G., Becker- Guedes, F., Bertoni, F. C. P., Bolzan, M. J. A., and Abalde, J. R.: Observations of daytime F2-layer stratification under the southern crest of the equatorial ionization anomaly region, J. Geophys. Res., 112, A04302, doi:10.1029/2006JA011888, 2007. Fagundes, P. R., Bittencourt, J. A., Abalde, J. R., Sahai, Y., Bolzan, M. J. A., Pillat, V. G., and Lima, W. L. C.: F layer postsunset height rise due to electric field prereversal enhancement: 1. Traveling planetary wave ionospheric disturbance effects, J. Geophys. Res., 114, A12321, doi:10.1029/2009JA014390, 2009a. Fagundes, P. R., Abalde, J. R., Bittencourt, J. A., Sahai, Y., Francisco, R. G., Pillat, V. G., and Lima, W. L. C.: F layer postsunset height rise due to electric field prereversal enhancement: 2. Traveling planetary wave ionospheric disturbances and their role on the generation of equatorial spread F, J. Geophys. Res., 114, A12322, doi:10.1029/2009JA014482, 2009b. Fejer, B. G., Farley, D. T., Woodman, R. F., and Calderon, C.: Dependence of equatorial F region vertical drift on season and solar cycle, J. Geophys. Res., 84, 5792–5796, 1979. Fejer, B. G., Scherliess, L., and de Paula, E. R.: Effects of the vertical plasma drift velocity on the generation and evolution of equatorial spread F, J. Geophys. Res., 104, 19859–19869, 1999. Fukao, S., Yokoyama, T., Tayama, T., Yamamoto, M., Maruyama, T., and Saito, S.: Eastward traverse of equatorial plasma plumes observed with the Equatorial Atmosphere Radar in Indonesia, Ann. Geophys., 24, 1411–1418, doi:10.5194/angeo-24-1411-2006, 2006. Galushko, V. G., Paznukhov, V. V., Yampolski, Y. M., and Foster, J. C.: Incoherent scatter radar observations of AGW/TID events generated by the moving solar terminator, Ann. Geophys., 16, 821–827, doi:10.5194/angeo-16-821-1998, 1998. Hines, C. O.: Internal atmospheric gravity waves at ionospheric heights, Can. J. Phys., 38, 1441–1481, 1960. Huang, C. S. and Kelly, M. C.: Nonlinear evolution of equatorial spread F 2. Gravity Wave seeding of Rayleigh-Taylor instability, J. Geophys. Res., 101, 293–302, 1996. Hysell, D. L. and Burcham, J.: Long term studies of equatorial spread F using the JULIA radar at Jicamarca, J. Atmos. Sol. Terr. Phys., 64, 1531–1543, 2002. Kelley, M. C., Larsen, M. F., and Lahoz, C.: Gravity wave initiation of equatorial spread F: a case study, J. Geophys. Res., 86, 9087– 9100, 1981. Klausner, V., Fagundes, P. R., Sahai, Y., Wrasse, C. M., Pillat, V. G., and Becker-Guedes, F.: Observations of GW/TID oscillations in the F2 layer at low latitude during high and low solar activity, geomagnetic quiet and disturbed periods, J. Geophys. Res., 114, A02313, doi:10.1029/2008JA013448, 2009. Lee, C. C., Chu, F. D., Chen, W. S., Liu, J. Y., Su, S. Y., Liou, Y. A., and Yu, S. B.: Spread F, GPS phase fluctuations, and plasma bubbles near the crest of equatorial ionization anomaly during solar maximum, J. Geophys. Res., 114, A08302, doi:10.1029/2009JA014195, 2009. Lyon, A. J., Skinner, N. J., and Wright, R. W.: Equatorial spread-F at Ibadan, Nigeria, J. Atmos. Terr. Phys., 21, 100–119, 1961. McNamara, L. F., Retterer, J. M., Abdu, M. A., Batista, I. N., and Reinisch, B. W.: F2 Peak parameters, drifts and spread F derived from digisonde ionograms for the COPEX campaign in Brazil, J. Atmos. Sol. Terr. Phys., 70, 1144–1158, doi:10.1016/j.jastp.2008.02.001, 2008. Mendillo, M., Baumgardner, J., Pi, X., Sultan, P. J., and Tsunoda, R. T.: Onset conditions for equatorial spread-F, J. Geophys. Res., 97, 13865–13875, 1992. Pezzopane, M., Zuccheretti, E., Bianchi, C., Scotto, C., Zolesi, B., Cabrera, M. A., and Ezquer, R. G.: The new ionospheric station of Tucum´an: first results, Ann. Geophys.-Italy, 50(3), 483–492, 2007. Piggott, W. R. and Rawer, K.: URSI Handbook of Ionogram Interpretation and Reduction, 2nd ed., 325 pp., Elsevier, New York, 1972. Pimenta, A. A, Kelley, M. C., Sahai, Y., Bittencourt, J. A., and Fagundes, P. R.: Thermospheric dark band structures observed in all-sky OI 630 nm emission images over the Brazilian low-latitude sector, J. Geophys. Res., 113, A01307, doi:10.1029/2007JA012444, 2008. Romano, V., Pau, S., Pezzopane, M., Zuccheretti, E., Zolesi, B., De Franceschi, G., and Locatelli, S.: The electronic Space Weather upper atmosphere (eSWua) project at INGV: advancements and state of the art, Ann. Geophys., 26, 345–351, doi:10.5194/angeo- 26-345-2008, 2008. Sahai, Y., Fagundes, P. R., and Bittencourt, J. A.: Transequatorial Fregion ionospheric plasma bubbles: solar cycle effects, J. Atmos. Terr. Phys., 62(15), 1377–1383, 2000. Saito, S. and Maruyama, T.: Large-scale longitudinal variation in ionospheric height and equatorial spread F occurrences observed by ionosondes, Geophys. Res. Lett., 34, L16109,doi:10.1029/2007GL030618, 2007. Somsikov, V. M. and Ganguly, B.: On the formation of atmospheric inhomogeneities in the solar terminator region, J. Atmos. Terr. Phys., 57(12), 1513–1523, 1995. Titheridge, J. E.: The real height analysis of ionograms: a generalized formulation, Radio Sci., 5, 831–849, 1988. Tsunoda, R. T.: On the enigma of day-to-day variability in equatorial spread F, Geophys. Res. Lett., 32, L08103, doi:10.1029/2005GL022512, 2005. Tsunoda, R. T.: Satellite traces: An ionogram signature for large scale wave structure and a precursor for equatorial spread F, Geophys. Res. Lett., 35, L20110, doi:10.1029/2008GL035706, 2008. Tsunoda, R. T.: Multi-reflected echoes: Another ionogram signature of large-scale wave structure, Geophys. Res. Lett., 36, L01102, doi:10.1029/2008GL036221, 2009.Tsunoda, R. T. and Ecklund, W. L.: On the post-sunset rise of the equatorial F layer and superposed upwelling and bubbles, Geophys. Res. Lett., 34, L04101, doi:10.1029/2006GL028832, 2007. Valladares, C. E., Hanson, W. B., McClure, J. F., and Cragin, B. L.: Bottomside sinusoidal irregularities in the equatorial F region, J. Geophys. Res., 88, 8025–8042, 1983. Whalen, J. A.: An equatorial bubble: Its evolution observed in relation to bottomside spread F and to the Appleton anomaly, J. Geophys. Res., 105, 5303–5315, 2000. Wright, R. W. H.: Geomorphology of spread F and characteristics of equatorial spread F, J. Geophys. Res., 64, 2203–2207, 1959.; http://hdl.handle.net/2122/6012Test

  4. 4
    دورية أكاديمية

    المساهمون: Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia, #PLACEHOLDER_PARENT_METADATA_VALUE#, Instituto Nacional de Pesquisas Espaciais (INPE), Sao Jose dos Campos, Sao Paulo, Brazil, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailand, CIASUR, Facultad Regional Tucum? an, Universidad Tecnol? ogica Nacional, Argentina

    العلاقة: Journal of atmospheric and solar-terrestrial physics; /164(2017); http://hdl.handle.net/2122/10609Test

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    دورية أكاديمية
  6. 6
    دورية أكاديمية

    المساهمون: Perna, L., Dipartimento di Fisica, Universita` di Roma “La Sapienza”, Pezzopane, M., Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia, Zuccheretti, E., Fagundes, P. R., Universidade do Vale do Paraı´ba, 12244-000 Sa˜o Jose´ dos Campos, Brazil, de Jesus, R., Cabrera, M. A., Laboratorio de Ionosfera, Departamento de Fısica, FACET, Universidad Nacional de Tucumán, 4000 Tucumán, Argentina, Ezquer, R. G., #PLACEHOLDER_PARENT_METADATA_VALUE#

    العلاقة: Advances in space research; 3/54(2014); http://hdl.handle.net/2122/9046Test

  7. 7
    دورية أكاديمية

    المساهمون: Alfonsi, Lu., Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia, Spogli, L., Pezzopane, M., Romano, V., Zuccheretti, E., De Franceschi, G., Cabrera, M. A., Laboratorio de Telecomunicaciones, DEEC, FACET, Universidad Nacional de Tucumán, Tucumán, Argentina, Ezquer, R. G., Laboratorio de Ionósfera, Departamento de Física, FACET, Universidad Nacional de Tucumán, Tucumán, Argentina., #PLACEHOLDER_PARENT_METADATA_VALUE#

    العلاقة: Journal of geophysical research - space physics; / 118 (2013); Aarons, J. (1991), The role of the ring current in the generation or inhibition of equatorial F layer irregularities during magnetic storms, Radio Sci., 26, 1131–1149, doi:10.1029/91RS00452. Aarons, J. (1997), Global Positioning System phase fluctuations at auroral latitudes, J. Geophys. Res., 102, 17,219–17,231, doi:10.1029/97JA01118. Abdu, M. A., I. S. Batista, I. J. Kantor, and J. H. A. Sobral (1982), Gravity wave induced ionization layers in the night F-region over Cachoeira Paulista (22°S, 45°W), J. Atmos. Terr. Phys., 44, 759–767, doi:10.1016/ 0021-9169(82)90004-6. Abdu, M. A., E. A. Kherani, I. S. Batista, and J. H. A. Sobral (2009), Equatorial evening prereversal vertical drift and spread F suppression by disturbance penetration electric fields, Geophys. Res. Lett., 36, L19103, doi:10.1029/2009GL039919. Abdu, M. A., I. S. Batista, B. W. Reinisch, J. W. MacDougall, E. A. Kherani, and J. H. A. Sobral (2012), Equatorial range spread F echoes from coherent backscatter, and irregularity growth processes, from conjugate point digital ionograms, Radio Sci., 47, RS6003, doi:10.1029/2012RS005002. Alfonsi, L., G. De Franceschi, V. Romano, A. Bourdillon, and M. Le Huy (2011a), GPS scintillations and TEC gradients at equatorial latitudes on April 2006, Adv. Space Res., 47, 1750–1757, doi:10.1016/j. asr.2010.04.020. Alfonsi, L., L. Spogli, G. De Franceschi, V. Romano, M. Aquino, A. Dodson, and C. N. Mitchell (2011b), Bipolar climatology of GPS ionospheric scintillation at solar minimum, Radio Sci., 46, RS0D05, doi:10.1029/ 2010RS004571. Bagiya, M. S., and R. Sridharan (2011), Evolutionary phases of equatorial spread F including L band scintillations and plumes in the context of GPS total electron content variability: A case study, J. Geophys. Res., 116, A10304, doi:10.1029/2011JA016893. Beniguel, Y., et al. (2009), Ionospheric scintillation monitoring and modelling, Ann. Geophys., 52(3/4), 391–416. Biktash, L. Z. (2004), Role of the magnetospheric and ionospheric currents in the generation of the equatorial scintillations during geomagnetic storms, Ann. Geophys., 22, 3195–3202, 1432-0576/ag/2004-22-3195. Burke, W. J., R. C. Sagalyn, R. G. Rastogi, M. Ahmed, F. J. Rich, D. E. Donatelli, and P. J. L. Wildman (1979), Postsunrise refilling of the low-latitude topside ionosphere, J. Geophys. Res., 84, 4201–4206, doi:10.1029/JA084iA08p04201. Cabrera, M. A., M. Pezzopane, E. Zuccheretti, and R. G. Ezquer (2010), Satellite traces, range spread F occurrence, and gravity wave propagation at the southern anomaly crest, Ann. Geophys., 28(5), 1133–1140, doi:10.5194/angeo-28-1133-2010. Cerruti, A. P., P. M. Kintner, Jr., D. E. Gary, A. J. Mannucci, R. F. Meyer, P. Doherty, and A. J. Coster (2008), Effect of intense December 2006 solar radio bursts on GPS receivers, Space Weather, 6, S10D07, doi:10.1029/ 2007SW000375. Chatterjee, S., S. K. Chakraborty, and S. Majumdar (2013), Summer time scintillations near the transition zone of the Indian longitude sector, J. Atmos. Sol. Terr. Phys., 95–96, 102–115, doi:10.1016/j.jastp.2013.01.017. Chen, W. S., C. C. Lee, J. Y. Liu, F. D. Chu, and B. W. Reinisch (2006), Digisonde spread F and GPS phase fluctuations in the equatorial ionosphere during solar maximum, J. Geophys. Res., 111, A12305, doi:10.1029/2006JA011688. Chen, W.-S., C.-C. Lee, F.-D. Che, and S.-Y. Su (2011), Spread F, GPS phase fluctuations, and medium-scale traveling ionospheric disturbances over Wuhan during solar maximum, J. Atmos. Sol. Terr. Phys., 73, 528–533, doi:10.1016/j.jastp.2010.11.012. Dabas, R. S., L. Singh, D. R. Lakshmi, P. Subramanyam, P. Chopra, and S. C. Garg (2003), Evolution and dynamics of equatorial plasma bubbles: Relationships to E × B drift, postsunset total electron content enhancements and equatorial electrojet strength, Radio Sci., 38(4), 1075, doi:10.1029/2001RS002586. Danielson, G. C., and C. Lanczos (1942), Some improvements in practical Fourier analysis and their application to X-ray scattering from liquids, J. Franklin Inst., 233, 435–452. Das Gupta, A., and L. Kersley (1976), Summer daytime scintillation and sporadic-E, J. Atmos. Terr. Phys., 38, 615–618. Davis, T. N., and M. Sugiura (1966), Auroral electrojet activity index AE and its universal time variations, J. Geophys. Res., 71, 785–801, doi:10.1029/JZ071i003p00785. Fejer, B. G., L. Scherliess, and E. R. de Paula (1999), Effects of the vertical plasma drift velocity on the generation and evolution of equatorial spread F, J. Geophys. Res., 104, 19,859–19,869, doi:10.1029/1999JA900271. Hines, C. O. (1959), An interpretation of certain ionospheric motions in terms of atmospheric gravity waves, J. Geophys. Res., 64, 2210–2211, doi:10.1029/JZ064i012p02210. Hines, C. O. (1960), Internal atmospheric gravity waves at ionospheric heights, Can. J. Phys., 38, 1441–1481, doi:10.1139/p60-150. Huang, C.-M. (1970), F-region irregularities that cause scintillations and spread-F echoes at low latitude, J. Geophys. Res., 75, 4833–4841. Hunsucker, R. D., and J. K. Hargreaves (2003), The High-Latitude Ionosphere and Its Effects on Radio Propagation, 1st ed., Cambridge Univ. Press, Cambridge, U. K. Hysell, D. L., and J. Burcham (2002), Long term studies of equatorial spread F using the JULIA radar at Jicamarca, J. Atmos. Sol. Terr. Phys., 64, 1531–1543. Iyer, K. N., M. N. Jivani, B. M. Pathan, S. Shama, H. Chandra, and M. A. Abdu (2003), Equatorial spread-F: Statistical comparison between ionosonde and scintillation observations and longitude dependence, Adv. Space Res., 31, 735–740, doi:10.1016/S0273-1177(03)00047-4. Jin, S. G., O. Luo, and P. Park (2008), GPS observations of the ionospheric F2-layer behavior during the 20th November 2003 geomagnetic storm over South Korea, J. Geod., 82(12), 883–892, doi:10.1007/s00190-008-0217-x. Joshi, L. M., A. K. Patra, T. K. Pant, and S. V. B. Rao (2013), On the nature of low-latitude Es influencing the genesis of equatorial plasma bubble, J. Geophys. Res., 118, 524–532, doi:10.1029/2012JA018122. Kelley, M. C. (1989), The Earth's Ionosphere, pp. 121–143, Academic, San Diego, Calif. Klausner, V., P. R. Fagundes, Y. Sahai, C. M. Wrasse, V. G. Pillat, and F. Becker-Guedes (2009), Observations of GW/TID oscillations in the F2 layer at low latitude during high and low solar activity, geomagnetic quiet and disturbed periods, J. Geophys. Res., 114, A02313, doi:10.1029/ 2008JA013448. Kotake, N., Y. Otsuka, T. Tsugawa, T. Ogawa, and A. Saito (2006), Climatological study of GPS total electron content variations caused by medium-scale traveling ionospheric disturbances, J. Geophys. Res., 111, A04306, doi:10.1029/2005JA011418. de La Beaujardière, O., et al. (2009), C/NOFS observations of deep plasma depletions at dawn, Geophys. Res. Lett., 36, L00C06, doi:10.1029/ 2009GL038884. Lee, C. C., F. D. Chu, W. S. Chen, J. Y. Liu, S.-Y. Su, Y. A. Liou, and S. B. Yu (2009), Spread F, GPS phase fluctuations, and plasma bubbles near the crest of equatorial ionization anomaly during solar maximum, J. Geophys. Res., 114, A08302, doi:10.1029/2009JA014195. Leitinger, R., and M. Rieger (2005), The TID model for modulation of large scale electron density model, Ann. Geophys., 48(3), 515–523. Li, G., B. Ning, Z. Ren, and L. Hu (2010), Statistics of GPS ionospheric scintillation and irregularities over polar regions at solar minimum, GPS Solutions, 14, doi:10.1007/s10291-009-0156-x. Li, G., B. Ning, M. A. Abdu, X. Yue, L. Liu, W. Wan, and L. Hu (2011), On the occurrence of postmidnight equatorial F region irregularities during the June solstice, J. Geophys. Res., 116, A04318, doi:10.1029/ 2010JA016056. Makela, J. J., E. S. Miller, and E. R. Talaat (2010), Nighttime medium-scale traveling ionospheric disturbances at low geomagnetic latitudes, Geophys. Res. Lett., 37, L24104, doi:10.1029/2010GL045922. Mannucci, A. J., B. D. Wilson, and C. D. Edwards (1993), A new method for monitoring the Earth ionosphere total electron content using the GPS global network, paper presented at ION GPS-93, Inst. of Navig., Salt Lake City, Utah. Mayaud, P. N. (1980), Derivation, Meaning, and Use of Geomagnetic Indices, Geophys. Monogr. Ser., vol. 22, 154 pp., AGU, Washington, D. C. Muella, M. T. A. H., E. A. Kherani, E. R. de Paula, A. P. Cerruti, P. M. Kintner, I. J. Kantor, C. N. Mitchell, I. S. Batista, and M. A. Abdu (2010), Scintillation-producing Fresnel-scale irregularities associated with the regions of steepest TEC gradients adjacent to the equatorial ionization anomaly, J. Geophys. Res., 115, A03301, doi:10.1029/2009JA014788. Pezzopane, M. (2004), Interpre: A Windows software for semiautomatic scaling of ionospheric parameters from ionograms, Comput. Geosci., 30, 125–130, doi:10.1016/j.cageo.2003.09.009. Pezzopane, M., P. R. Fagundes, L. Ciraolo, E. Correia, M. A. Cabrera, and R. G. Ezquer (2011), Unusual nighttime impulsive foF2 enhancement below the southern anomaly crest under geomagnetically quiet conditions, J. Geophys. Res., 116, A12314, doi:10.1029/2011JA016593. Piggott, W. R., and K. Rawer (1972), URSI Handbook of Ionogram Interpretation and Reduction, Rep. UAG-23A, World Data Cent. for Sol. Terr. Phys., NOAA, Boulder, Colo. Rino, C. L. (1979), A power law phase screen model for ionospheric scintillation: 1. Weak scatter, Radio Sci., 14, 1135–1145, doi:10.1029/ RS014i006p01135. Rodrigues, F. S., E. R. de Paula, M. A. Abdu, A. C. Jardim, K. N. Iyer, P. M. Kintner, and D. L. Hysell (2004), Equatorial spread F irregularity characteristics over Sao Luìs, Brazil, using VHF radar and GPS scintillation techniques, Radio Sci., 39, RS1S31, doi:10.1029/2002RS002826. Romano, V., S. Pau, M. Pezzopane, E. Zuccheretti, B. Zolesi, G. De Franceschi, and S. Locatelli (2008), The electronic Space Weather upper atmosphere (eSWua) project at INGV: Advancements and state of the art, Ann. Geophys., 26, 345–351, doi:10.5194/angeo-26-345-2008. Sales, G. S., B.W. Reinisch, J. L. Scali, C. Dozois, T.W. Bullett, E. J.Weber, and P. Ning (1996), Spread F and the structure of equatorial ionization depletions in the southern anomaly region, J. Geophys. Res., 101, 26,819–26,827, doi:10.1029/96JA01946. Seif A., M. Abdullah, A. M. Hasbi, and Y. Zou (2012), Investigation of ionospheric scintillation at UKM station, Malaysia during low solar activity, Acta Astronaut., 81, 92–101, doi:10.1016/j.actaastro.2012.06.024. Shi, J. K., G. J. Wang, B. W. Reinisch, S. P. Shang, X. Wang, G. Zherebotsov, and A. Potekhin (2011), Relationship between strong range spread F and ionospheric scintillations observed in Hainan from 2003 to 2007, J. Geophys. Res., 116, A08306, doi:10.1029/2011JA016806. Spogli, L., L. Alfonsi, G. De Franceschi, V. Romano, M. H. O. Aquino, and A. Dodson (2009), Climatology of GPS ionospheric scintillations over high and mid-latitude European regions, Ann. Geophys., 27, 3429–3437, doi:10.5194/angeo-27-3429-2009. Taylor, J. R. (1997), An Introduction to Error Analysis: The Study of Uncertainties in Physical Measurement, Univ. Sci, Sausalito, Calif., 2nd edition. Titheridge, J. E. (1988), The real height analysis of ionograms: A generalized formulation, Radio Sci., 23, 831–849, doi:10.1029/RS023i005p00831. Tsunoda, R. T. (1985), Control of the seasonal and latitudinal occurrence of equatorial scintillation by the longitudinal gradient of integrated E region Pedersen conductivity, J. Geophys. Res., 90, 447–456, doi:10.1029/ JA090iA01p00447. Tsunoda, R. T. (2008), Satellite traces: An ionogram signature for large scale wave structure and a precursor for equatorial spread F, Geophys. Res. Lett., 35, L20110, doi:10.1029/2008GL035706. Tsunoda, R. T., M. Yamamoto, T. Tsugawa, T. L. Hoang, S. Tulasi Ram, S. V. Thampi, H. D. Chau, and T. Nagatsuma (2011), On seeding, largescale wave structure, equatorial spread F, and scintillations over Vietnam, Geophys. Res. Lett., 38, L20102, doi:10.1029/2011GL049173. Van Dierendonck, A. J., J. Klobuchar, and Q. Hua (1993), Ionospheric scintillation monitoring using commercial single frequency C/A code receivers, paper presented at the Sixth International Technical Meeting (ION GPS-93), Satell. Div., Inst. of Navig., Salt Lake City, Utah, 22–24 Sept. Wheelon, A. D. (2003), Electromagnetic Scintillation: II. Weak Scattering, Cambridge Univ. Press, Cambridge, U. K. Yeh, K. C., and C. H. Liu (1982), Radio wave scintillations in the ionosphere, Proc. Inst. Electr. Eng., 70, 324–360. Zou, Y. (2011), Ionospheric scintillations at Guilin detected by GPS groundbased and radio occultation observations, Adv. Space Res., 47, 945–965, doi:10.1016/j.asr.2010.11.016. Zuccheretti, E., G. Tutone, U. Sciacca, C. Bianchi, and B. J. Arokiasamy (2003), The new AIS-INGV digital ionosonde, Ann. Geophys., 46(4), 647–659.; http://hdl.handle.net/2122/8729Test