Observations of Pi 2 pulsations by the Wallops HF radar in association with substorm expansion

@inproceedings{Gjerloev2007ObservationsOP,
  title={Observations of Pi 2 pulsations by the Wallops HF radar in association with substorm expansion},
  author={J. W. Gjerloev and Raymond A. Greenwald and Christopher L. Waters and K Takahashi and David G. Sibeck and Kjellmar Oksavik and Rory K. Barnes and John Baker and J. Michael Ruohoniemi},
  year={2007}
}
[1] We report the first sub-auroral Pi2 pulsations observations by a SuperDARN type HF radar. The Wallops radar LOS measurements obtained at ionospheric altitudes, 56 magnetic latitude, 23 hour magnetic local time, are shown to be highly correlated with ground magnetic field perturbations obtained at Ottawa. The period of the Pi2 pulsations is 118 s and the m-number is 2.3. The availability of both ionospheric LOS measurements and ground based magnetic field perturbations enable us to constrain… CONTINUE READING

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