Abstract
Korea Polar Research Institute (KOPRI) installed an ionospheric sounding radar
system called Vertical Incidence Pulsed Ionospheric Radar (VIPIR) at Jang Bogo Station
(JBS) in 2015 in order to routinely monitor the state of the ionosphere in the auroral
oval and polar cap regions. Since 2017, after two-year test operation, it has been
continuously operated to produce various ionospheric parameters. In this article, we
will introduce the characteristics of the JBS-VIPIR observations and possible
applications of the data for the study on the polar ionosphere. The JBS-VIPIR utilizes a
log periodic transmit antenna that transmits 0.5–25 MHz radio waves, and a receiving
array of 8 dipole antennas. It is operated in the Dynasonde B-mode pulse scheme and
utilizes the 3-D inversion program, called NeXtYZ, for the data acquisition and
processing, instead of the conventional 1-D inversion procedure as used in the most of
digisonde observations. The JBS-VIPIR outputs include the height profiles of the
electron density, ionospheric tilts, and ion drifts with a 2-minute temporal resolution
in the bottomside ionosphere. With these observations, possible research applications
will be briefly described in combination with other observations for the aurora, the
neutral atmosphere and the magnetosphere simultaneously conducted at JBS.
Publisher
The Korean Space Science Society
Subject
General Earth and Planetary Sciences,General Physics and Astronomy
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