@TechReport{AbduBatiPiazMass:1980:EvVLPh,
               author = "Abdu, Mangalathayil Ali and Batista, Inez Staciarini and Piazza, 
                         L. R. and Massamboni, O.",
                title = "Magnetic storm associated enhanced particle precipitation in the 
                         south atlantic anomaly: evidence from VLF phase measurements",
          institution = "Instituto Nacional de Pesquisas Espaciais",
                 year = "1980",
                 type = "RPQ",
               number = "INPE-1925-RPE/251",
              address = "S{\~a}o Jos{\'e} dos Campos",
                 note = "{This work was partialLY supported by the Fundo Nacional de} and 
                         {Desenvolvimento Cientifico e Tecmclogico under contract FINEP-537 
                         -CT.}",
             keywords = "VLF phase, sporadic E, particle precipitation, geomagnetic 
                         anomaly.",
             abstract = "Phase recordings at Atibaia, Brazit, (23°, 46°W) of 13.6 KHz VLF 
                         signal transmitted from Golfo Nuevo, Argentina (43 0S, 650W), a 
                         trajectory confined almost completely within the South Atlantic 
                         Anomaly region, shom significant perturbations, indicative of the 
                         lowering of the VLF reflection 'levei, immediately following the 
                         onset ofmagnetic disturbances. Simultcmeous measurements of the 
                         Cs-layer parametersitES and fbEy, over Cachoeira Paulista (22°S, 
                         45°W) also show enhancements, with some delay with respect to the 
                         magnetic disturbance onset, as was found in our earlier work 
                         (Batista and Abdu, 1977). These results show magnetic storm 
                         associated ionization enhancements taking piace in a height region 
                         from approxinately 110 km dam to 70 km, which we interpret as 
                         having been produced by precipitation of high energy charged 
                         particles in the South Atlantic Geomagnetic Anomaly. The results 
                         also suggest some degree of dcry to day variability in the 
                         abundance ofmetallic species, and/or in the dynamics of the E 
                         region over this region.",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)}",
             language = "en",
                  ibi = "8JMKD3MGP3W34R/3R4HKLS",
                  url = "http://urlib.net/ibi/8JMKD3MGP3W34R/3R4HKLS",
           targetfile = "Magnetic Storm Associated Enhanced Particle Precipitation in the 
                         South Atalntic Anomaly Evidence From VLF Phase 
                         Measurementeea.pdf",
        urlaccessdate = "16 jun. 2024"
}