WWLLN
World Wide Lightning
Location Network (wwlln.net)
Wideband VLF
spectrograms
below show lightning-generated sferics (vertical lines) from
our lightning sensors and narrowband signals (horizontal lines) from VLF
transmitters. Each spectrogram spans a few seconds in time (horizontal axis) and between 32 and 48 kHz in
frequency (vertical axis) All start at precisely the same time at exactly on the minute
min past each hour and include data for the next few seconds as indicated. Click on any thumbnail below to expand it to
full size (or click on its caption to open it on a new page).
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Web editing:
Bob Holzworth (bobholz@washington.edu)