Causes of indicator jamming in military radio sets.
United States USA Date:1944 Duration:7 min 56 sec Sound:Yes
Military training film depicts the causes of indicator jamming on the radio set, SCR-268. A ship underway. Newspaper headlines read about the German battleships which escaped British Army because their radio signals were jammed. Soldiers talk on radio. During Jamming weird pattern start appearing on the monitor screen. Sensitivity knob of the radio. Signs of jamming are seen. A couple sits and listens to radio. The couple switches off radio because of interference in the radio broadcast. An animated diagram explains the jamming. Radio waves bounce back from the target. Target sends radio energy longer then those that bounce back. Jamming takes place. Jamming can be improved by making adjustments.
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