Transient Ionospheric Echoes at Five Metres Wavelength Open PDF Document Details Document Type Technical Report Publication Date Oct 01, 1946 Accession Number ADA800686 Entities People G. S. Steward J. S. Hey Tags Communities of Interest Advanced Electronics Air Platforms Energy and Power Technologies DTIC Thesaurus Topics Abstracts Amplitude Directional Diurnal Variations Electron Density Electrons Elevation Frequency Government (Foreign) Graphs Grids Ionization Ionosphere Observation Operations Research Stations Wave Propagation