Fig. 20
From: Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radars
Keograms from the Hokkaido radar of a radar echo power on beam 15 and airglow intensity deviation and b Doppler velocity and c airglow intensity deviation on beam 15 and 10 on 11 June 2007. Trace velocities indicated by red lines with numbers 1–4 and number 5 are 120 and 90 m s−1, respectively, and those indicated by black lines with numbers 1–4 and number 5 are 240 and 180 m s−1, respectively. Reproduced from Fig. 12 of Ogawa et al. (2009)