Fig. 25
From: Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radars
Range-Time-Parameter plots of elevation angle for beam 7 of the HOK data at 06–12 UT on 23 February 2014 for: uncalibrated (top) and calibrated data (bottom). Adapted from Fig. 6 of Ponomarenko et al. (2015)