Meaning of sferics | Babel Free

Definitions

1. Electromagnetic pulses caused by atmospheric phenomena, such as lightning. plural of sferic
   plural, plural-only
2. Radio interference caused by sferics; atmospherics.
   plural, plural-only

Examples

“A Sferics Locating System has been developed to determine⟳ the geographical location of lightning strokes...”

“...an artificial sferics generator was used as a known source of EM pulses.”

“1987: Barbara Tufty, 1001 Questions Answered About Hurricanes, Tornadoes and Other Natural Air Disasters http://books.google.com/books?vid=ISBN0486254550&id=LpVoN0gmVKcC&pg=RA2-PA38&lpg=RA2-PA38&dq=sferics&sig=BapiarKgnm1NVr9NDBl1Xcgtp-A Researchers have⟳ thought that possibly these sferics could be used to track hurricanes—but so far, they have⟳ been only marginally successful.”

“Sferics are classified normally by the frequency of the receiver used to detect⟳ them.”

“This circuit generates a bipolar pulse waveform that closely approximates the main features of sferics.”

“The second common theoretical approach⟳ of the propagation of sferics involves viewing the Earth-ionosphere cavity as a waveguide...”

“In the identification of sources of short whistlers, the spectral characteristics of the sferics can often be used to establish⟳ many sferics as doubtful...”

“As it turned out, the whistler was only the first of a family of sferics whose taxonomy was to include⟳ clicks, hooks, risers, nose-whistlers and one like⟳ a warbling of birds called the dawn chorus....”

CEFR level