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Azimuth and elevation factors correction for single station lightning electromagnetic field sensor

This study aims to find the location of lightning return strokes using a single station electromagnetic field sensor with the implementation of magnetic field Factor B correction to best match with a reliable lightning strike location reference from TNB Research (TNBR) that uses Vaisala lightning de...

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Main Authors: S A Mohammad,, M R Ahmad,, M Abdullah,, S A S Baharin,, Park, S J, Cooray, V
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2021
Online Access:http://journalarticle.ukm.my/18217/1/50265-172602-1-PB.pdf
http://journalarticle.ukm.my/18217/
https://ejournal.ukm.my/gmjss/issue/view/1443
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spelling my-ukm.journal.182172022-03-14T01:02:13Z http://journalarticle.ukm.my/18217/ Azimuth and elevation factors correction for single station lightning electromagnetic field sensor S A Mohammad, M R Ahmad, M Abdullah, S A S Baharin, Park, S J Cooray, V This study aims to find the location of lightning return strokes using a single station electromagnetic field sensor with the implementation of magnetic field Factor B correction to best match with a reliable lightning strike location reference from TNB Research (TNBR) that uses Vaisala lightning detector with ±500m tolerance. A parallel plate antenna was used to measure the electric fields while two orthogonal loop antennas were used to measure the magnetic fields from thunderstorms in Melaka. Based on the type of Cloud-to-Ground flash and its recorded magnetic field peak amplitude polarities, the general direction of the lightning source could be determined in four quadrants divided equally between the cardinal directions. Measurement of return stroke peak amplitudes from electromagnetic field waveforms, distance between lightning measurement station and lightning strike was determined. Factor B corrections varied between 53M to 69M where the separation distance between compared strikes averaged 3.22 km. From the varied Factor B, it was averaged to 60.1M that yield a separation distance between the same compared strikes between 0.75 to 15.02 km. From all the strikes compared, the average separation distance between compared strikes was 7.64 km. It was determined that the accuracy of our lightning measurement system lightning location were between 7.14 and 8.14 km. Penerbit Universiti Kebangsaan Malaysia 2021 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/18217/1/50265-172602-1-PB.pdf S A Mohammad, and M R Ahmad, and M Abdullah, and S A S Baharin, and Park, S J and Cooray, V (2021) Azimuth and elevation factors correction for single station lightning electromagnetic field sensor. Geografia : Malaysian Journal of Society and Space, 17 (4). pp. 378-392. ISSN 2180-2491 https://ejournal.ukm.my/gmjss/issue/view/1443
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description This study aims to find the location of lightning return strokes using a single station electromagnetic field sensor with the implementation of magnetic field Factor B correction to best match with a reliable lightning strike location reference from TNB Research (TNBR) that uses Vaisala lightning detector with ±500m tolerance. A parallel plate antenna was used to measure the electric fields while two orthogonal loop antennas were used to measure the magnetic fields from thunderstorms in Melaka. Based on the type of Cloud-to-Ground flash and its recorded magnetic field peak amplitude polarities, the general direction of the lightning source could be determined in four quadrants divided equally between the cardinal directions. Measurement of return stroke peak amplitudes from electromagnetic field waveforms, distance between lightning measurement station and lightning strike was determined. Factor B corrections varied between 53M to 69M where the separation distance between compared strikes averaged 3.22 km. From the varied Factor B, it was averaged to 60.1M that yield a separation distance between the same compared strikes between 0.75 to 15.02 km. From all the strikes compared, the average separation distance between compared strikes was 7.64 km. It was determined that the accuracy of our lightning measurement system lightning location were between 7.14 and 8.14 km.
format Article
author S A Mohammad,
M R Ahmad,
M Abdullah,
S A S Baharin,
Park, S J
Cooray, V
spellingShingle S A Mohammad,
M R Ahmad,
M Abdullah,
S A S Baharin,
Park, S J
Cooray, V
Azimuth and elevation factors correction for single station lightning electromagnetic field sensor
author_facet S A Mohammad,
M R Ahmad,
M Abdullah,
S A S Baharin,
Park, S J
Cooray, V
author_sort S A Mohammad,
title Azimuth and elevation factors correction for single station lightning electromagnetic field sensor
title_short Azimuth and elevation factors correction for single station lightning electromagnetic field sensor
title_full Azimuth and elevation factors correction for single station lightning electromagnetic field sensor
title_fullStr Azimuth and elevation factors correction for single station lightning electromagnetic field sensor
title_full_unstemmed Azimuth and elevation factors correction for single station lightning electromagnetic field sensor
title_sort azimuth and elevation factors correction for single station lightning electromagnetic field sensor
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2021
url http://journalarticle.ukm.my/18217/1/50265-172602-1-PB.pdf
http://journalarticle.ukm.my/18217/
https://ejournal.ukm.my/gmjss/issue/view/1443
_version_ 1728052184255299584
score 13.211869

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