[PDF] Top 20 Ion upflow and downflow at the topside ionosphere observed by the EISCAT VHF radar
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Ion upflow and downflow at the topside ionosphere observed by the EISCAT VHF radar
... standard EISCAT program was used for the analysis of the raw ...throughout the upper F region, no H + or He + ...been observed with the VHF radar even at ... See full document
12
First simultaneous observations of flux transfer events at the high-latitude magnetopause by the Cluster spacecraft and pulsed radar signatures in the conjugate ionosphere by the CUTLASS and EISCAT radars
... of the reconnection geometry at the magnetopause has an impact on the form of the expected flow signatures in the dayside ionosphere, depending upon whether it is patchy, ... See full document
18
Nonlinear wave structures in collisional plasma of auroral E-region ionosphere
... of the auroral plasma with small-scale inhomogenieties producing the VHF-radar reflections (radar aurora) when observed in conditions of the saturated Farley-Buneman ... See full document
9
Observations of nightside auroral plasma upflows in the F-region and topside ionosphere
... of the magnitude of the maximum vertical ion velocity and the duration of the event, the upflow ob- served around 0030 UT is comparable with the earlier ... See full document
10
High resolution observations of sporadic-E layers within the polar cap ionosphere using a new incoherent scatter radar experiment
... with the EISCAT (European Inco- herent SCATter) Svalbard radar (ESR) are ...presented. The observations were made by means of a new type of hard- ware, which was connected in parallel ... See full document
10
A first comparison of irregularity and ion drift velocity measurements in the E-region
... 15:00 and 18:00 UT on 27 March 2004, as this was the inter- val during which both the STARE and CUTLASS Finland radars observed coherent echoes at the radar cells ... See full document
15
Artificial periodic irregularities in the auroral ionosphere
... in the ionospheric plasma by a powerful standing electromagnetic wave reflected off the F ...region. The re- sulting electron-density irregularities can scatter other high-frequency waves if ... See full document
17
Observations of HF-induced instability in the auroral E region
... absorbed and energy will be exchanged with the ionosphere, leading to electrostatic waves which can be detected with the radar (Eliasson, ...that the observations from Rietveld ... See full document
6
Exploring the role of ionospheric drivers during the extreme solar minimum of 2008
... in the troposphere are expected to modify the neutral profile as a function of longitude, which in turn will modify the resultant ionosphere (see England, 2012, for an in-depth ...during ... See full document
10
A comparison of velocity measurements from the CUTLASS Finland radar and the EISCAT UHF system
... Finland radar can operate at speci®c frequencies within the range 8 to 20 MHz, although the operating frequency is typically near 10 MHz corresponding to a scattering irregularity wavelength ... See full document
11
Nightside studies of coherent HF Radar spectral width behaviour
... from the x-component of the IMAGE network (not shown) indicated quiet conditions until ∼00:45 UT when there was a deflection in the magnetic signature at the Bear Island station (BJN, ... See full document
15
Analysis of Self Screening Jammer Parameters with RADAR Equation
... disturb the normal RADAR operation intentionally it is called as electronic counter measure ...targets.In the Gaussian form of noise, the jamming signal and noise power are dealt in ... See full document
3
Meteor head echo polarization at 930 MHz studied with the EISCAT UHF HPLA radar
... Since the above analysis demonstrates that transverse charge separa- tion plasma resonance in the plasma cloud moving with the ablating meteoroid is possible, this could give reason for con- cern ... See full document
12
Multi-instrument observations of nightside plasma patches under conditions of IMF <I>B<sub>z</sub></I> positive
... 7. The parts coloured red indicate where the flux threshold is ...exceeded. The blue curves show the schematic representation of the high latitude convection pattern, reproduced from ... See full document
14
Solar wind modulation of the Martian ionosphere observed by Mars Global Surveyor
... Kallio and Janhunen (2001), at a solar zenith angle of 75 ◦ , the total energy absorption rate by the neu- tral atmosphere from the precipitation particles from 120 to 140 km can ... See full document
5
Three-dimensional tracking of mid-latitude quasi-periodic E-region echoes observed with the Chung-Li VHF radar
... with the 52- MHz Chung-Li VHF ...in the in- terferometer mode to investigate the behavior of these irregu- larities over time and ...space. The observations presented here show ... See full document
8
Continuous Modification of Cast Iron by the FLOTRET Method
... during the modification process, so that the metal in the furnace had to be overheated at higher temperatures; this was joined with the need to use more ...Therefore, the main ... See full document
6
Evaluation of multifrequency range imaging technique implemented on the Chung–Li VHF atmospheric radar
... (PMSE), and so on, with high resolution in the range direction ...Chen and Zecha, 2009; Chen et al., 2009). The terminologies of range imaging (RIM) (Palmer et ...1999) and frequency ... See full document
11
Eutectic solidification as explained by the thermodynamics of irreversible processes
... of the s / l interface of non-faceted phase lamellae where instability develops or vanishes and branching of faceted phase lamellae is ...on the existence of a whole spectrum of interlamellar ... See full document
4
The modification process of AlSi21CuNi silumin and its effect on change of mechanical properties of the alloy
... properties and high abrasion resistance of hypereutectoid silumins result from their structure, which can be characterized by precipitations of primary crystals of silicon in soft eutectic ...tools ... See full document
4
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