Earth, Planets and Space

Table 1 Overall occurrence characteristics of EMIC waves in ascending and descending phases of solar cycle for quiet and disturbed days during 2011–2017

From: Occurrence characteristics of electromagnetic ion cyclotron waves at sub-auroral Antarctic station Maitri during solar cycle 24

Ascending phase		Descending phase		Total
Obs.=1080 days		Obs.=1287 days		Obs.=2367 days
Occ.=1058.2 h, (4.08%)		Occ.=2108.3 h, (6.83%)		Occ.=3166.5 h, (5.57%)
Quiet	Disturbed	Quiet	Disturbed
Obs.=939 days	Obs.=141 days	Obs.=1025 days	Obs.=262 days	Obs.=2367 days
Occ.=913.0 h	Occ.=145.2 h	Occ.=1688.8 h	Occ.=419.5 h	Occ.=3166.5 h
(3.52%)	(0.56%)	(5.47%)	(1.36%)	(5.57%)

Observations are mentioned in days, and EMIC wave occurrence is mentioned in hours

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