Fig. 23From: Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radarsObservations of the mid-latitude evening anomaly on 13 August 2010 seen in a Blackstone radar beam-7 backscattered power and b Millstone Hill ISR electron density versus altitude. Dashed lines identify solar noon and sunset. Reproduced from Fig. 5 of de Larquier et al. (2011)Back to article page