Updating Ionosphere Models Using Ionosonde and GNSS Data for HF Pr opagation Simulation

We suggest a technique for region-based updating global ionosphere models using data of vertical sounding (VS) and global navigation satellite systems (GNSS) obtained in the same place. We test various updating schemes and present their comparison results based on VS data from distant sites Yakutsk, Podkamennaya Tunguska and Mohe (China). For testing we used data from VS in Tory and GNSS receiver in Irkutsk in 2014. In the report we adapt IRI-PLAS model and discuss possibilities to use suggested technique for real-time prediction and simulation of HF waves propagation.