- ionospheric-wedge refraction
- рефракция на ионосферном клине
English-Russian electronics dictionary .
ionospheric-wedge refraction
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Over-the-horizon radar — US Navy Relocatable Over the Horizon Radar station Over the horizon radar, or OTH (sometimes also beyond the horizon, or BTH), is a design concept for radar systems to allow them to detect targets at very long ranges, typically up to thousands of … Wikipedia
