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AKR signal increases caused by triggering
Author(s) -
Farrell W. M.,
Calvert W.,
Gurnett D. A.
Publication year - 1986
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl013i004p00370
Subject(s) - signal (programming language) , physics , amplitude , astrophysics , radio signal , radiation , optics , radio frequency , telecommunications , computer science , programming language
This paper presents a study of the amplitude increases which accompany the triggering of auroral kilometric radiation (AKR) by Type‐III solar radio bursts. IMP‐8 data were used to determine the signal increases observed during one‐hour periods before and after Type‐III bursts at 100 kHz, 178 kHz and 500 kHz and these were compared with similar observations when the Type‐III bursts were absent. The results indicate that between 8 to 16% of the Type‐III bursts caused statistically significant intensity increases and that infrequent large signal increases of sometimes 20 dB or more tended to characterize the triggered AKR, rather than a large proportion of small increases.