Fig. 6From: Occurrence characteristics and lowest speed limit of subauroral polarization stream (SAPS) observed by the SuperDARN Hokkaido East radarResult of the test for each MLT bin. The vertical axis is the ratio of SAPS (identified as flows aligned with Wang’s curve) in the flows faster than speed threshold. The horizontal axis is the speed threshold. Each color line in the legend represents each MLT rangeBack to article page