Table 4 (EUV×[O]300)Qday/(EUV×[O]300)ref ratio for positive. Q-disturbance cases with EUVQday/EUVref < 1.0.

From: Daytime mid-latitude F2-layer Q-disturbances: A formation mechanism

Q day Ref day

17/06

28/06

2004

10/06

06/06

2007

15/02

11/02

2010

25/08

01/08

2013

Ratio

1.30

1.39

1.53

1.42

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