Every year more interest is focused on high frequencies (HF) communications for remote sensing platforms due to their capacity to establish links of more than 250 km without a line of sight and due to them being a low-cost alternative to satellite communications. In this article. we study the ionospheric ordinary and extraordinary waves to improve the applications of near vertical inc... https://etdurbxsw9bw6.timeblog.net/70682894/bi-functional-materials-for-sulfur-cathode-and-lithium-metal-anode-of-lithium-sulfur-batteries-status-and-challenges