@article{Koustov2022a,
  author = "A. V. Koustov and S. Ullrich and P. V. Ponomarenko and M. Ghalamkarian-Nejad and D. R. Themens and R. G. Gillies",
  title = "Occurrence Rates of SuperDARN Ground Scatter Echoes and Electron Density in the Ionosphere",
  year =  2022 ,
  journal = "Radio Science",
  volume = 57,
  number = 11,
  keywords = "midlatitude winter anomaly, electron density, superdarn radars, ground scatter occurrence rate, incoherent scatter radars risr, cadi ionosonde, risrn, risrc",
  doi = "https://doi.org/10.1029/2022RS007520",
  url = "https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2022RS007520",
  note = "e2022RS007520 2022RS007520"
}


@article{Koustov2020b,
  author = "A. V. Koustov and M. R. Luciuk and R. G. Gillies and S. Ullrich and B. Larson and K. A. McWilliams and M. T. Schmidt",
  title = "Velocity of SuperDARN Echoes at Intermediate Radar Ranges",
  year =  2020 ,
  journal = "Radio Science",
  volume = 55,
  number = 11,
  keywords = "risrc",
  doi = "https://doi.org/10.1029/2020RS007142",
  url = "https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2020RS007142"
}


@article{Koustov2020a,
  author = "A. V. Koustov and S. Ullrich and P. V. Ponomarenko and R. G. Gillies and D. R. Themens and N. Nishitani",
  title = "Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements",
  year =  2020 ,
  journal = "Earth, Planets and Space",
  volume = 72,
  number = 43,
  keywords = "risrc",
  doi = "10.1186/s40623-020-01170-w"
}