Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance

BPL is a special Chinese long-wave time service system constructed and maintained by the National Time Service Center of the Chinese Academy of Sciences. Two experimental paths were designed to analyze the impact of the annular solar eclipse that occurred on June 21, 2020, on the BPL time service pe...

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Autores principales:	Yingming Chen, Ping Feng, Liu Changhong, Yongqi Chen, Luxi Huang, Jianwen Duan, Yu Hua, Xiaohui Li
Formato:	article
Lenguaje:	EN
Publicado:	AIP Publishing LLC 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/f807db5f59314d81a2d5b4e4af3ef7e3
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id	oai:doaj.org-article:f807db5f59314d81a2d5b4e4af3ef7e3
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spelling	oai:doaj.org-article:f807db5f59314d81a2d5b4e4af3ef7e32021-12-01T18:52:06ZImpact of the annular solar eclipse on June 21, 2020 on BPL time service performance2158-322610.1063/5.0064445https://doaj.org/article/f807db5f59314d81a2d5b4e4af3ef7e32021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0064445https://doaj.org/toc/2158-3226BPL is a special Chinese long-wave time service system constructed and maintained by the National Time Service Center of the Chinese Academy of Sciences. Two experimental paths were designed to analyze the impact of the annular solar eclipse that occurred on June 21, 2020, on the BPL time service performance. In the first path, the receiving point was located in the ring eclipse zone, whereas in the other path, the sky-wave reflection point was located in the ring eclipse zone. The time of arrival (TOA) data during 19–23 June 2020 at the Sanya test point (sky-wave reflection point located in the ring eclipse zone) and field strength from 21 to 22 June 2020 at the Xiamen test point (receiving point located in the ring eclipse zone) were measured and analyzed. The experimental results show that under normal conditions of BPL time service signal transmission, the TOA and field strength undergo significant changes during the annular solar eclipse, the TOA data change up to 5.17 µs, and the field strength data change up to 17.72 dBμV. The data tend to increase initially and then decrease. This change is consistent with the ionospheric change caused by the annular solar eclipse. The BPL time service performance is affected at the receiving points located in the south of the BPL time service station with the great circle distance ranging from 1426 to 1844 km.Yingming ChenPing FengLiu ChanghongYongqi ChenLuxi HuangJianwen DuanYu HuaXiaohui LiAIP Publishing LLCarticlePhysicsQC1-999ENAIP Advances, Vol 11, Iss 11, Pp 115003-115003-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Yingming Chen Ping Feng Liu Changhong Yongqi Chen Luxi Huang Jianwen Duan Yu Hua Xiaohui Li Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance
description	BPL is a special Chinese long-wave time service system constructed and maintained by the National Time Service Center of the Chinese Academy of Sciences. Two experimental paths were designed to analyze the impact of the annular solar eclipse that occurred on June 21, 2020, on the BPL time service performance. In the first path, the receiving point was located in the ring eclipse zone, whereas in the other path, the sky-wave reflection point was located in the ring eclipse zone. The time of arrival (TOA) data during 19–23 June 2020 at the Sanya test point (sky-wave reflection point located in the ring eclipse zone) and field strength from 21 to 22 June 2020 at the Xiamen test point (receiving point located in the ring eclipse zone) were measured and analyzed. The experimental results show that under normal conditions of BPL time service signal transmission, the TOA and field strength undergo significant changes during the annular solar eclipse, the TOA data change up to 5.17 µs, and the field strength data change up to 17.72 dBμV. The data tend to increase initially and then decrease. This change is consistent with the ionospheric change caused by the annular solar eclipse. The BPL time service performance is affected at the receiving points located in the south of the BPL time service station with the great circle distance ranging from 1426 to 1844 km.
format	article
author	Yingming Chen Ping Feng Liu Changhong Yongqi Chen Luxi Huang Jianwen Duan Yu Hua Xiaohui Li
author_facet	Yingming Chen Ping Feng Liu Changhong Yongqi Chen Luxi Huang Jianwen Duan Yu Hua Xiaohui Li
author_sort	Yingming Chen
title	Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance
title_short	Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance
title_full	Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance
title_fullStr	Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance
title_full_unstemmed	Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance
title_sort	impact of the annular solar eclipse on june 21, 2020 on bpl time service performance
publisher	AIP Publishing LLC
publishDate	2021
url	https://doaj.org/article/f807db5f59314d81a2d5b4e4af3ef7e3
work_keys_str_mv	AT yingmingchen impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT pingfeng impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT liuchanghong impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT yongqichen impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT luxihuang impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT jianwenduan impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT yuhua impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance AT xiaohuili impactoftheannularsolareclipseonjune212020onbpltimeserviceperformance
_version_	1718404668968665088

Impact of the annular solar eclipse on June 21, 2020 on BPL time service performance

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