5 citations as recorded by crossref.

1. Unusual ionospheric echoes with high velocity and very low spectral width observed by the SuperDARN radars in the polar cap during high geomagnetic activity N. Nishitani et al. https://doi.org/10.1029/2003JA010048
2. Seasonal variation of HF radar F region echo occurrence in the midnight sector A. Koustov et al. https://doi.org/10.1029/2003JA010337
3. Identification of the ionospheric footprint of magnetospheric boundaries using SuperDARN coherent HF radars R. André & T. Dudok de Wit https://doi.org/10.1016/S0032-0633(03)00115-6
4. The response of high latitude ionosphere to the 2015 St. Patrick’s day storm from in situ and ground based observations G. D'Angelo et al. https://doi.org/10.1016/j.asr.2018.05.005
5. A decade of the Super Dual Auroral Radar Network (SuperDARN): scientific achievements, new techniques and future directions G. Chisham et al. https://doi.org/10.1007/s10712-007-9017-8