3:30 PM - 3:33 PM
[PEM27-P12] Examination of the Es propagation model of ITU-R based on VOR long distance propagation and the observation of ionosonde
3-min talk in an oral session
*Takuya NITTA1, Ichiro TOMIZAWA1, Atsushi YAMAMOTO2, Saitoh SHINJI3 (1.Center for Space Science and Radio Engineering ,UEC, 2.Japan Coast Guard Academy, 3.Electronic Navigation Research Institute)