traveling ionospheric disturbances 2 Статтi 2 рухомі іоносферні збурення 2 - 1 Doppler frequency shift 1 Doppler sounding at oblique incidence 1 MS3: Physics of Stars and Galaxies 1 Machine Learning and Data Analysis (MLDM); Distributed File System (HDFS); Java Database Connectivit 1 Service Oriented Architecture (SOA); Sense-Compute-Actuate (SCA); High Performance Computing (HPC); Message Passing Interface (MPI); virtual machine (VM) 1 UDC 378:005.6 004.4 1 UDC 517.9:621.325.5:621.382.049.77 1 amplitude 1 auroral oval 1 combinatorial approach to determining the weights of alternatives 1 decameter and meter wavelengths 1 decision-making support 1 deconvolution 1 digital transformation 1 direction finding 1 educational environment 1 educational technologies 1 electron density 1 expert estimation 1 flux 1 information technologies 1 ionosphere 1 ionospheric plasma 1 magnetosphere 1 ontologies 1 paired comparison 1