[PDF] Top 20 EL SIGLO XX y su interés por el lenguaje
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Equatorial ionospheric plasma drifts velocities using radar observations
... line-of-sight drifts are combined to give the vertical and zonal drift ...of radar echo measured by ISR from Jicamarca on September 14, ...quasi-periodic equatorial spread F (ESF) structure on its ... See full document
7
Simultaneous ground and satellite based airglow observations of geomagnetic conjugate plasma bubbles in the equatorial anomaly
... ALTAIR radar, Tsunoda and White (1981) found that electron density contours in the bottomside F- layer were modulated in altitude over a 1200-km east-west distance with an average east-west wavelength of ∼400 ... See full document
177
Simultaneous 6300 Å airglow and radar observations of ionospheric irregularities and dynamics at the geomagnetic equator
... of equatorial spread F (ESF) characteristics observed at Jicamarca and at low ...marca radar data, in incoherent and coherent modes, to ob- tain plasma parameters and detect echoes from ...with ... See full document
9
Equatorial vertical plasma drifts and the measured and IRI model predicted F2 layer parameters above Ouagadougou during solar minimum
... vertical plasma drift is an important conse- quence of the E and F region dynamos (Alken, ...2009). Equatorial zonal electric fields control the vertical plasma transport in the low-latitude ... See full document
24
The Ionospheric Bubble Index deduced from magnetic field and plasma observations onboard Swarm
... local plasma density depletions. Since their first discovery using ionosondes (Booker and Wells, 1938), the irregularities have been observed by a variety of ...name, Equatorial Spread-F ...of ... See full document
22
Equatorial f region plasma drift measurements and observations using doppler interferometry at Parit Raja
... the plasma drifts and convection behaviour brings new informations concerning the various phenomena that affect the ionospheric ...in ionospheric research in our country has intensified due ... See full document
13
VHF coherent radar signals from the E region ionosphere and the relationship to electron drift velocity and ion acoustic velocity
... drift velocities could be derived from coherent radar observations of ionospheric plasma waves [Foster and Erickson, 2000; Nielsen and Whitehead, 1983; Cahill et ...phase ... See full document
148
GPS and in situ Swarm observations of the equatorial plasma density irregularities in the topside ionosphere
... intense plasma density irregularities between the two peaks/crests of the EIA, which was still well defined at that time ...the plasma density fluctuations were generally weak on the SWA Ne profile, as well ... See full document
121
The Land Based Positional Accuracy Of Gps And Gps Augmented By Gagan Over The Indian Geographical Region
... currently in need of GPS for many applications, but India is located near the equatorial ionospheric belt so it is necessary to improve the accuracy of GPS over the Indian region [3]. In order to improve ... See full document
8
Observations of traveling ionospheric disturbances and 3 m scale irregularities in the nighttime F region ionosphere with the MU radar and a GPS network
... MU radar site as seen in ...MU radar, though the structures de- tected by the MU radar data are blurred because the tempo- ral average window size, 45 minutes, is comparable to the temporal scale of ... See full document
14
Storm Effects on F-region Critical Frequency foF2 and Propagation Parameter M(3000)F2 over Equatorial (Jicamarca) and Low (Madimbo) Latitude Stations - A Comparative Study
... the equatorial belt is suppressed. Due to this, the upward lift of plasma is reduced and positive phase developed at equator during main phase of storm 11,40-41 ...an Equatorial Anomaly (EA) expanded ... See full document
74
The Calculation and Analysis of the Total Electron Content Over Different Latitudes and Seasons Using the Numerical Trapezoidal and Simpson Methods
... in ionospheric research that calculation of the total electron content (TEC) is an important factor in global navigation ...Iraq, using a combination of two numerical methods called composite Simpson and ... See full document
5
Study of Ionospheric Variability Using GNSS Observations
... A large variation in the maximum values of the parameters of the geomagnet- ic activity is observed between the two periods 2001 and 2009. According to our results presented in Figure 17, the values of the VTEC confirm ... See full document
70
Observations of field aligned ionospheric irregularities during quiet and disturbed conditions with EKB radar: first results
... In Fig. 6b, red arrows mark the most important moments in SLE dynamics at AMD. They are: (i) - start of gradual Bn decrease; (ii) - transition from Z ≈ 0 to Z > 0; (iii) - sharp decrease in Bn associated with similar ... See full document
11
Theoretical Analysis of Incoherent Scatter Radar Spectra Behavior for Different Maxwellian Ionospheric Plasma Conditions
... The ion part of the spectra (Eq. 2) reacts very sensitively to the changes of physical parameters in the ionosphere. From its shape (Fig. 1) one can derive, directly, data on several important physical parameters of the ... See full document
25
Coordinated optical and radar observations of ionospheric pumping for a frequency pass through the second electron gyroharmonic at HAARP
... natural plasma irregular- ities especially around sunset [Djuth et ...SuperDARN radar frequencies are not shown, as they indicate the same results but lose orthogonality earlier during the experiment, as ... See full document
23
Mapping equatorial ionospheric profiles over peninsular Malaysia using gps tomography
... Bagiya, M.S., Joshi, H.P., Iyer, K.N., Aggarwal, M., Ravindran, S. and Pathan, B.M. (2009). TEC variations during low solar activity period (2005-2007) near the Equatorial Ionospheric Anomaly Crest region ... See full document
14
Equatorial plasma bubble seeding by MSTIDs in the ionosphere
... Regarding case 2, Fig. 11 shows the cloud top temperature on March 08, 2015, at 19:00 UT. There are two large convective systems, one on the northern coast of Brazil, which is the intertropical convergence zone (ITCZ), ... See full document
41
Coordinated radar observations of atmospheric diurnal tides in equatorial regions
... wind radar (MWR) in Jakarta, Indonesia (6 ◦ S, 107 ◦ E) from November 1992 to August ...MF radar data collected in two equatorial sites in Pontianak ...these radar data have revealed the ... See full document
10
Daily and seasonal variations in the linear growth rate of the Rayleigh-Taylor instability in the ionosphere obtained with GAIA
... In recent years, the prediction of EPBs has been one of the most important issues in space weather forecasting because EPBs could adversely affect communication and navigation systems (e.g., Steenburgh et al. 2008; ... See full document
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