Northward-propagating nighttime medium-scale traveling ionospheric disturbances observed with SuperDARN Hokkaido HF radar and GEONET

Akimitsu Ichihara，Nozomu Nishitani，Tadahiko Ogawa，Takuya Tsugawa

ADVANCES IN POLAR SCIENCE . 2013, (1-English): 42 -49 . DOI: 10.3724/SP.J.1085.2013.00042