极区中层夏季回波（Polar Mesosphere Summer Echoes,PMSE）是极区当地夏季中层顶区域在中频（Medium Frequency,MF）到超高频（Ultrahigh Fr......

基于224 MHz欧洲非相干散射甚高频雷达(European incoherent scatter very high frequency radar,EISCAT VHF radar)在2003—2014......