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Very Low Frequency Radio Observations of Lightning Discharges at Arrival Heights

The AARDDVARK/WWLLN Very Low Frequency (VLF) Radio Sensor was installed at Arrival Heights from 10-15 December 2008 by Dr Craig J. Rodger and Dr. James Brundell as part of Antarctica New Zealand Event K069a. The sensor measures the magnetic field in the Very Low Frequency radio range (~500 Hz-50 kHz), and passes it to a PC which processes the data for the experiments.


The primary experiment is the AARDDVARK observations. The secondary experiment, WWLLN, uses exactly the same VLF feed but processes it to detect the radio-wave pulses from lightning. WWLLN observations are sent to a central processing computer to determine the time and location of lightning pulses all over the globe. The World Wide Lightning Location Network (WWLLN) is an experimental Very Low Frequency (VLF) network of sensors being developed through collaborations with research institutions across the globe. The network exploits the considerable electromagnetic power radiated by lightning as "sferics" present in the VLF band. By combining radio-pulse observations from at least 5 stations, the WWLLN central processing computers can determine the location of the original lightning discharge. As the radio-pulse observations are immediately sent back across the internet to the central processing computers locations are generated within ~10 s of the discharge, and thus near real time. There are currently about 70 active VLF receiving stations operating in the VLF World-Wide Lightning Location Network, including the "Scott Base" measurements made at Arrival Heights or near the Hatherton Lab (depending on noise levels). WWLLN observations are continuously transmitted to one of the WWLLN primary servers, in this case flash.ess.washington.edu at the University of Washington, Seattle, USA.


Two near-orthogonal magnetic field loops measuring VLF electromagnetic waves. The centre of the antenna is at 77° 49.790' S, 166° 39.438' E, based on a GPS measurement with 1 m accuracy. Logging is undertaken with standard WWLLN software, with GPS timing.


GET DATA: https://wwlln.net/

Simple

Date (Creation)
2023-08-11T23:11:38
Date (Publication)
2023-08-11T23:11:38

Citation identifier

No information provided.
Status
On going
Point of contact
Organisation name Individual name Electronic mail address Role

Rodger, C.

craig.rodger@otago.ac.nz

Author

World Wide Lightning Location Network

Publisher
Maintenance and update frequency
As needed
Date of next update
2023-08-11T23:11:40
Keywords
  • INSTALLATION

  • K060A

GCMD Earth Science and Earth Science Services Keywords
  • SOLAR FLARES

  • ENERGY DEPOSITION

  • MAGNETIC STORMS

  • LIGHTNING

  • ABSOLUTE DYNAMIC TOPOGRAPHY

  • ION CHEMISTRY/IONIZATION

GCMD Platform/Sources Keywords
  • GROUND STATIONS

GCMD Instrument/Sensors Keywords
  • VLF RECEIVERS

GCMD Project Keywords
  • WWLLN

  • AARDDVARK

Use limitation

This data set conforms to the CC BY Attribution License ( https://creativecommons.org/licenses/by/4.0/ )

Hierarchy level
Dataset
Date
Statement

Creative Commons Attribution 4

gmd:disseminationConstraints
License
Access constraints
License
Use constraints
License
Language
English
Character set
UTF8
Topic category
  • Climatology, meteorology, atmosphere

Extent

N
S
E
W
thumbnail


thumbnail

Begin date
2008-12-15T00:00:00
Distribution format
Name Version

Metadata

File identifier
7abe21bd-605d-4462-8623-24fb53dd987f XML
Metadata language
English
Character set
anyValidURI
Hierarchy level
Dataset
Date stamp
2024-07-16T05:48:40.372Z
Metadata standard name

ISO 19115

Metadata standard version

2003

Metadata author
Organisation name Individual name Electronic mail address Role

World Wide Lightning Location Network

craig.rodger@otago.ac.nz

Point of contact
 
 

Overviews

overview

Spatial extent

thumbnail

Keywords

GCMD Earth Science and Earth Science Services Keywords
ABSOLUTE DYNAMIC TOPOGRAPHY ENERGY DEPOSITION ION CHEMISTRY/IONIZATION LIGHTNING MAGNETIC STORMS SOLAR FLARES
GCMD Instrument/Sensors Keywords
VLF RECEIVERS
GCMD Platform/Sources Keywords
GROUND STATIONS
GCMD Project Keywords
AARDDVARK WWLLN

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