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E-region irregularity observed by the Tanegashima Frequency Agile Radar during SEEK-2 campaign

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Title E-region irregularity observed by the Tanegashima Frequency Agile Radar during SEEK-2 campaign
 
Creator Brahmanandam, P S
Pan, C J
Lee, C C
Tsai, W C
 
Subject Ionospheric irregularities
Field aligned irregularities
Mid-latitude ionosphere
Quasi-periodic echoes
 
Description 42-49
The present paper reports the nighttime field-aligned plasma irregularity (FAI) at 6.1 m in E-region during SEEK-2 (Sporadic E Experiment over Kyushu) campaign during July-August 2002 using Tanegashima (30.75ºN, 131.03ºE, geomagnetic 20.97ºN, dip 43.2ºN) Frequency Agile Radar (FAR) operated at 24.515 MHz. According to the characteristics of radar echo, the echoes are classified into four types: negative quasi-periodic (NQP) echo; positive quasi-periodic (PQP) echo; continuous echo; and undefined echo. A study shows that FAI appear generally at 80-110 km altitudes during 1800-0400 hrs LT, and FAI occur most frequently at 2200 hrs LT. Further, among the four different echo types, the occurrence probability of NQP is greater than other types.
 
Date 2009-02-24T04:38:18Z
2009-02-24T04:38:18Z
2009-02
 
Type Article
 
Identifier 0367-8393
http://hdl.handle.net/123456789/3236
 
Language en_US
 
Publisher CSIR
 
Source IJRSP Vol.38(1) [February 2009]