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This allowed the U-boats to detect radio signals in the 1.5 m band used by SW and other UK radars, warning them of any nearby radars long before that radar could detect the U-boat. Metox could not detect microwave-frequency radars like the 271, putting the Canadian ships at a significant disadvantage to their allies. [ 13 ]
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The war-era radar classifications became less relevant in the 1970s as radar units increasingly became multi-purpose as opposed to being single-role. Newer designs, even dedicated naval surveillance designs, were not assigned numbers in the ASV lineage. The first such example is the Seaspray, a small unit designed to be mounted on the Westland ...
Commercial marine radar display. Land areas are shown in yellow, and vessel tracks are displayed with green "tails" on the screen. Marine radar systems can provide very useful radar navigation information for navigators on board ships. The ship's position could be fixed by the bearing and distance information of a fixed, reliable target on the ...
DFR7. This low-cost detector has impressive range and all the requisite features, including GPS for low-speed false-alert muting, manual marking of up to 100 known radar locations, and speed ...
They typically scan the volume two to four times a minute. The waves are usually less than a meter long. Ships and planes are metal, and reflect radio waves. The radar measures the distance to the reflector by measuring the time of the roundtrip from emission of a pulse to reception, dividing this by two, and then multiplying by the speed of light.
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