Authors:
ABDU MA
SASTRI JH
LUHR H
TACHIHARA H
KITAMURA T
TRIVEDI NB
SOBRAL JHA
Citation: Ma. Abdu et al., DP-2 ELECTRIC-FIELD FLUCTUATIONS IN THE DUSK-TIME DIP EQUATORIAL IONOSPHERE, Geophysical research letters, 25(9), 1998, pp. 1511-1514
Citation: Jm. Jahn et al., DETECTION OF AN EQUATORIAL SPREAD-F BUBBLE BY GROUND-BASED PHOTOMETERS AND THE SAN-MARCO-5 SATELLITE, Journal of atmospheric and solar-terrestrial physics, 59(13), 1997, pp. 1601-1609
Authors:
SOBRAL JHA
BORBA GL
ABDU MA
BATISTA IS
SAWANT H
ZAMLUTTI CJ
TAKAHASHI H
NAKAMURA Y
Citation: Jha. Sobral et al., POST-SUNSET WINTERTIME 630.0 NM AIRGLOW PERTURBATIONS ASSOCIATED WITHGRAVITY-WAVES AT LOW LATITUDES IN THE SOUTH-AMERICAN SECTOR, Journal of atmospheric and solar-terrestrial physics, 59(13), 1997, pp. 1611-1623
Authors:
SOBRAL JHA
ABDU MA
GONZALEZ WD
TSURUTANI BT
BATISTA IS
DEGONZALEZ ALC
Citation: Jha. Sobral et al., EFFECTS OF INTENSE STORMS AND SUBSTORMS ON THE EQUATORIAL IONOSPHERE THERMOSPHERE SYSTEM IN THE AMERICAN SECTOR FROM GROUND-BASED AND SATELLITE DATA/, J GEO R-S P, 102(A7), 1997, pp. 14305-14313
Citation: Jh. Sastri et al., ONSET CONDITIONS OF EQUATORIAL (RANGE) SPREAD-F AT FORTALEZA, BRAZIL,DURING THE JUNE SOLSTICE, J GEO R-S P, 102(A11), 1997, pp. 24013-24021
Citation: Jh. Sastri et al., RESPONSE OF EQUATORIAL IONOSPHERE TO EPISODES OF ASYMMETRIC RING CURRENT ACTIVITY, Annales geophysicae, 15(10), 1997, pp. 1316-1323
Authors:
PFAFF RF
SOBRAL JHA
ABDU MA
SWARTZ WE
LABELLE JW
LARSEN MF
GOLDBERG RA
SCHMIDLIN FJ
Citation: Rf. Pfaff et al., THE GUARA CAMPAIGN - A SERIES OF ROCKET-RADAR INVESTIGATIONS OF THE EARTH UPPER-ATMOSPHERE AT THE MAGNETIC EQUATOR, Geophysical research letters, 24(13), 1997, pp. 1663-1666
Authors:
LABELLE J
JAHN JM
PFAFF RF
SWARTZ WE
SOBRAL JHA
ABDU MA
MURALIKRISHNA P
DEPAULA ER
Citation: J. Labelle et al., THE BRAZIL GUARA EQUATORIAL SPREAD-F CAMPAIGN - RESULTS OF THE LARGE-SCALE MEASUREMENTS/, Geophysical research letters, 24(13), 1997, pp. 1691-1694
Citation: Mj. Taylor et al., HIGH-RESOLUTION OI (630 NM) IMAGE MEASUREMENTS OF F-REGION DEPLETION DRIFTS DURING THE GUARA CAMPAIGN, Geophysical research letters, 24(13), 1997, pp. 1699-1702
Authors:
ABDU MA
SASTRI JH
MACDOUGALL J
BATISTA IS
SOBRAL JHA
Citation: Ma. Abdu et al., EQUATORIAL DISTURBANCE DYNAMO ELECTRIC-FIELD LONGITUDINAL STRUCTURE AND SPREAD-F - A CASE-STUDY FROM GUARA EITS CAMPAIGNS/, Geophysical research letters, 24(13), 1997, pp. 1707-1710
Authors:
ABDU MA
SOBRAL JHA
RICHARDS P
DEGONZALEZ MM
HUANG YN
REDDY BM
CHENG K
SZUSZCZEWICZ EP
BATISTA IS
Citation: Ma. Abdu et al., ZONAL MERIDIONAL WIND AND DISTURBANCE DYNAMO ELECTRIC-FIELD CONTROL OF THE LOW-LATITUDE IONOSPHERE BASED ON THE SUNDIAL/ATLAS-1 CAMPAIGN/, J GEO R-S P, 101(A12), 1996, pp. 26729-26740
Authors:
ABDU MA
BATISTA IS
MURALIKRISHNA P
SOBRAL JHA
Citation: Ma. Abdu et al., LONG-TERM TRENDS IN SPORADIC-E LAYERS AND ELECTRIC-FIELDS OVER FORTALEZA, BRAZIL, Geophysical research letters, 23(7), 1996, pp. 757-760
Authors:
ABDU MA
BATISTA IS
WALKER GO
SOBRAL JHA
TRIVEDI NB
DEPAULA ER
Citation: Ma. Abdu et al., EQUATORIAL IONOSPHERIC ELECTRIC-FIELDS DURING MAGNETOSPHERIC DISTURBANCES - LOCAL TIME LONGITUDE DEPENDENCES FROM RECENT EITS CAMPAIGNS, Journal of atmospheric and terrestrial physics, 57(10), 1995, pp. 1065-1083
Authors:
SOBRAL JHA
MURALIKRISHNA P
ABDU MA
GONZALEZALARCON WD
PINTO O
CLEMESHA BR
TAKAHASHI H
TRIVEDI NB
JAYANTI UB
KIRCHHOFF VWJH
ZAMLUTTI CJ
DIAS OP
CEBALLOS DC
Citation: Jha. Sobral et al., THE BRAZILIAN SCIENTIFIC SATELLITE, Acta astronautica, 32(10), 1994, pp. 675-682
Authors:
SOBRAL JHA
TAKAHASHI H
ABDU MA
MURALIKRISHNA P
BORBA GL
SAHAI Y
ZAMLUTTI CJ
DEPAULA ER
BATISTA PP
Citation: Jha. Sobral et al., CONTRIBUTION OF THE CASCADING PROCESS O(S-1)-]O(D-1) TO THE PRODUCTION OF THE ATOMIC OXYGEN O(D-1) AND OI-630-NM AIRGLOW IN THE NOCTURNAL THERMOSPHERE, Journal of Geomagnetism and Geoelectricity, 46(9), 1994, pp. 747-754
Authors:
SOBRAL JHA
TAKAHASHI H
ABDU MA
MURALIKRISHNA P
SAHAI Y
ZAMLUTTI CJ
DEPAULA ER
BATISTA PP
Citation: Jha. Sobral et al., DETERMINATION OF THE QUENCHING RATE OF THE O((1)D) BY O(P-3) FROM ROCKET-BORNE OPTICAL (630-NM) AND ELECTRON-DENSITY DATA, J GEO R-S P, 98(A5), 1993, pp. 7791-7798
Authors:
ABDU MA
FEJER BG
BATISTA IS
SOBRAL JHA
SZUSZCZEWICZ EP
Citation: Ma. Abdu et al., EQUATORIAL IONOSPHERE SUNSET ELECTRODYNAMICS IN THE AMERICAN SECTOR FROM SUNDIAL DECEMBER 1988 CAMPAIGN RESULTS, Geomagnetizm i aeronomia, 33(1), 1993, pp. 16-23