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High Frequency (1988)
Director: Faliero Rosati
Cast: Oliver Benny, Vincent Spano, Anne Canovas, Isabelle Pasco
Runtime105 min
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A boy who operates a ham radio and a man who works at a satellite relay station witness the same murder thousands of miles apart and have to figure out how to warn the next potential victim.
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Fans of suspenseful thrillers will appreciate the intriguing premise of 1988's High Frequency, directed by Faliero Rosati. The film follows a boy with a ham radio and a man at a satellite relay station who witness the same murder across great distances, creating a compelling mystery about how to stop the next killing.
About
High frequency (HF) is the ITU designation for the band of radio waves with frequency between 3 and 30 megahertz (MHz). It is also known as the decameter band or decameter wave as its wavelengths range from one to ten decameters. Frequencies immediately below HF are denoted medium frequency (MF), while the next band of higher frequencies is known as the very high frequency (VHF) band. The HF band is a major part of the shortwave band of frequencies, so communication at these frequencies is often called shortwave radio. Because radio waves in this band can be reflected back to Earth by the ionosphere layer in the atmosphere – a method known as "skip" or "skywave" propagation – these frequencies can be used for long-distance communication across intercontinental distances and for mountainous terrains which prevent line-of-sight communications. The band is used by international shortwave broadcasting stations (3.95–25.82 MHz), aviation communication, government time stations, weather stations, amateur radio and citizens band services, among other uses.
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