TY - GEN AU - Shen, Chang-Shou AU - Go, You-Min AU - Min-Yun TI - Study of high-latitude E-field Patterns using simple models with day-night ionospheric conductivity gradient KW - IONOSFERA KW - CONVECÇAO IONOSFERICA KW - 551.510.535 KW - med KW - fre KW - 551.594.1 ER -