Radar observations of daytime 150-km echoes from outside the equatorial electrojet belt over Gadanki

Geophysical Research Letters

Volumn 33, Issue 3, 2006, Pages

  Patra, A K ^a   Rao, N Venkateswara ^a  

^a National MST Radar Facility   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC ELECTRICITY; DATA PROCESSING; IONOSPHERE; RADAR; SIGNAL TO NOISE RATIO; SPURIOUS SIGNAL NOISE;

ECHOES; EQUATORIAL ELECTROJET BELT; RADAR OBSERVATIONS; SPECTRAL WIDTH;

GEOPHYSICS;

ELECTROJET; GEOPHYSICS; RADAR; SIGNAL-TO-NOISE RATIO;

ASIA; EURASIA; GADANKI; INDIA; SOUTH ASIA; TAMIL NADU;

EID: 33645800606     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2005GL024564     Document Type: Article

References (17)

1. Anderson, D., A. Anghel, J. Chau, and O. Veliz (2004), Daytime vertical ExB drift velocities inferred from ground-based magnetometer observations at low latitudes, Space Weather, 2, S11001, doi:10.1029/ 2004SW000095.
2. Balsley, B. B. (1964), Evidence of stratified echoing region at 150 km in the vicinity of magnetic equator during daylight hours, J. Geophys. Res., 69, 1925.
3. Blanc, E., B. Mercandalli, and E. Houngninou (1996), Kilometric irregularities in the E and F regions of the daytime equatorial ionosphere observed by a high resolution HF radar, Geophys. Res. Lett., 23, 645.
4. Chau, J. L. (2004), Unexpected spectral characteristics of VHF radar signals from 150-km region over Jicamarca, Geophys. Res. Lett., 31, L23803, doi:10.1029/2004GL021620.
5. Chau, J. L., and R. F. Woodman (2004), Daytime vertical and zonal velocities from 150-km echoes: Their relevance to F-region dynamics, Geophys. Res. Lett., 31, L17801, doi:10.1029/2004GL020800.
6. Choudhary, R. K., J.-P. St.-Maurice, and K. K. Mahajan (2004), Observation of coherent echoes with narrow spectra near 150 km altitude during daytime away from the dip equator, Geophys. Res. Lett., 31, L19801, doi:10.1029/2004GL020299.
7. de Paula, E. R., and D. L. Hysell (2004), The Sao Luis 30 MHz coherent scatter ionospheric radar: System description and initial results, Radio Sci., 39, RS1014, doi:10.1029/2003RS002914.
8. Ferrat, S., and M. Crochet (1994), Methods of detection and estimation errors in ST radar studies, Ann. Geophys., 12, 489.
9. Hysell, D. L., M. F. Larsen, and R. F. Woodman (1997), JULIA radar studies of electric fields in the equatorial electrojet, Geophys. Res. Lett., 24, 1687.
10. Kudeki, E., and C. D. Fawcett (1993), High resolution observations of 150 km echoes at Jicamarca, Geophys. Res. Lett., 20, 1987.
11. Kudeki, E., C. D. Fawcett, W. L. Ecklund, P. E. Johnston, and S. J. Franke (1998), Equatorial 150-km irregularities observed at Pohnpei, Geophys. Res. Lett., 25, 4097.
12. Prakash, S., S. P. Gupta, and B. H. Subbaraya (1969), Irregularities in the equatorial E region over Thumba, Radio Sci., 4, 791.
13. Royrvik, O. (1982), Drift and aspect sensitivity of scattering irregularities in the upper equatorial E-region, J. Geophys. Res., 87, 8338.
14. Royrvik, O., and K. L. Miller (1981), Nonthermal scattering of radio waves near 150 km above Jicamarca, Peru, J. Geophys. Res., 86, 180.
15. sq over Kwajalein and their relationship to 150 km echoes over dip equator, Geophys. Res. Lett., 21, 2741.
16. Tsunoda, R. T., and W. L. Ecklund (2000), On the nature of 150-km radar echoes over the magnetic dip equator, Geophys. Res. Lett., 27, 657.
17. 1) radar echoes over Pohnpei, Geophys. Res. Lett., 31, L06810, doi:10.1029/2003GL018704.