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The Response of L-Band Ionospheric Scintillation to Equatorial Anomaly Characteristics in Low-Latitude Regions
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Caishenglong HAN1, 2, Ling HUANG1, 2, *, Wenwen LI3, Dun LIU4, Xu LIU1, 2, Hongping ZHANG3
Journal of Geodesy and Geodynamics | 2025, 45(9) : 983 - 990
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Journal of Geodesy and Geodynamics | 2025, 45(9): 983-990
The Response of L-Band Ionospheric Scintillation to Equatorial Anomaly Characteristics in Low-Latitude Regions
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Caishenglong HAN1, 2, Ling HUANG1, 2, *, Wenwen LI3, Dun LIU4, Xu LIU1, 2, Hongping ZHANG3
Affiliations
  • 1 College of Geomatics and Geoinformation, Guilin University of Technology, 319 Yanshan Street, Guilin 541006, China
  • 2 Guangxi Key Laboratory of Spatial Information and Geomatics, 319 Yanshan Street, Guilin 541006, China
  • 3 GNSS Research Center, Wuhan University, 129 Luoyu Road, Wuhan 430079, China
  • 4 The 22nd Research Institute, China Electronics Technology Group Corporation, 36 East-Xianshan Road, Qingdao 266107, China

    • HAN Caishenglong, postgraduate, majors in GNSS space environment, E-mail:

About Author:

HAN Caishenglong, postgraduate, majors in GNSS space environment, E-mail:

Published: 2025-09-15 doi: 10.14075/j.jgg.2024.10.471
Outline
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To investigate the response of L-band ionospheric scintillation to equatorial anomaly characteristics in low-latitude regions, this study utilizes L-band scintillation observation data from three Australian stations(Darwin, Weipa, and Willis Island) combined with global ionospheric VTEC data provided by the Chinese Academy of Sciences(CAS).The study examines the relationship between ionospheric scintillation and VTEC equatorial anomalies under geomagnetically quiet conditions. Results show a significant positive correlation between ionospheric scintillation and equatorial anomaly characteristics at the three stations. On scintillation days, the ionospheric VTEC peak-to-valley difference, peak-to-valley ratio increase, and gradient changes are more pronounced. This paper reveals the response mechanism and investigates the correlation between VTEC and its gradients with scintillation, which is significant for the rapid identification and judgment of scintillation phenomena and for GNSS engineering applications.

ionospheric scintillation  /  equatorial anomaly  /  VTEC  /  low-latitude region  /  satellite navigation
韩蔡生龙, 黄玲, 李文文, 刘钝, 刘旭, 章红平. 低纬地区L波段电离层闪烁对赤道异常特征响应分析. 大地测量与地球动力学, 2025 , 45 (9) : 983 -990 . DOI: 10.14075/j.jgg.2024.10.471
Caishenglong HAN, Ling HUANG, Wenwen LI, Dun LIU, Xu LIU, Hongping ZHANG. The Response of L-Band Ionospheric Scintillation to Equatorial Anomaly Characteristics in Low-Latitude Regions[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (9) : 983 -990 . DOI: 10.14075/j.jgg.2024.10.471
Funding
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  • Guangxi Natural Science Foundation(2020GXNSFBA159033)
  • Guangxi Science and Technology Base and Talent Project(桂科AD19245060)
  • Project of Guangxi Key Laboratory of Spatial Information and Geomatics(19-050-11-24)
  • National Natural Science Foundation of China(42064002)
  • Foundation of Guilin University of Technology(GUTQDJJ2019139)
Appendix
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Year 2025 volume 45 Issue 9
23
9
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Article Info
doi: 10.14075/j.jgg.2024.10.471
  • Receive Date：2024-10-14
  • Online Date：2026-10-29
  • Published：2025-09-15
Article Data
Affiliations
History
  • Received：2024-10-14
Funding
Guangxi Natural Science Foundation(2020GXNSFBA159033)
Guangxi Science and Technology Base and Talent Project(桂科AD19245060)
Project of Guangxi Key Laboratory of Spatial Information and Geomatics(19-050-11-24)
National Natural Science Foundation of China(42064002)
Foundation of Guilin University of Technology(GUTQDJJ2019139)
Affiliations
    1 College of Geomatics and Geoinformation, Guilin University of Technology, 319 Yanshan Street, Guilin 541006, China
    2 Guangxi Key Laboratory of Spatial Information and Geomatics, 319 Yanshan Street, Guilin 541006, China
    3 GNSS Research Center, Wuhan University, 129 Luoyu Road, Wuhan 430079, China
    4 The 22nd Research Institute, China Electronics Technology Group Corporation, 36 East-Xianshan Road, Qingdao 266107, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2024.10.471
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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