Fig. 10From: Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radarsCVW velocity in beam 4 on 17 March 2013, 0930–1430 UT. The green cells refer to the SAPS region. The two vertical white lines mark the period of narrow and intense SAID feature. The period of strong SAPS Wavy Structure (SAPSWS) activity is near 1215 UT. Reproduced from Fig. 2a of Makarevich and Bristow (2014)Back to article page