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Modern jammers can track a predictable frequency change, so the more random the frequency change, the more likely it is to counter the jammer. Cloaking the outgoing signal with random noise makes it more difficult for a jammer to figure out the frequency that a radar is operating on.
Frequency agility is the ability of a radar system to quickly shift its operating frequency to account for atmospheric effects, jamming, mutual interference with friendly sources, or to make it more difficult to locate the radar broadcaster through radio direction finding.
Radio jamming is the deliberate blocking of or interference with wireless communications. [1] [2] In some cases, jammers work by the transmission of radio signals that disrupt telecommunications by decreasing the signal-to-noise ratio.
3850-B power shovels for stripping, one built each in 1962 and 1964, with bucket capacities of 115 and 145 cu yd (88 and 111 m 3). 2570-W or WS, one of B-E's most popular dragline models with bucket capacities between 120 and 160 cu yd (92 and 122 m 3). Ursa Major at Black Thunder Coal Mine was reported to be the third largest dragline ever built.
The bucket held roughly 1 cubic yard of soil. [3] The company's best-known product was the Drott 4 in 1 bucket. [2] This was a tractor attachment with four functions: dozer, clamshell, bucket and scraper. The "International Drott" was an International Harvester tractor fitted with Drott equipment. [4]
A boom truck (or “bucket truck” bucket is an aerial work platform placed at the end of an excavator-like arm which allows a man to be hoisted to do construction work, such as tree pruning and electrical line maintenance. When necessary the bucket is made out of a non-conductive material for safety.
A terminal tractor Terminal tractor at the Port of Dover.. A terminal tractor, known in the United States as a shag truck, shunt truck, spotter truck, spotting tractor, yard truck, yard shifter, yard dog, yard goat, yard horse, yard mule, yard jockey, yard spotter, hostler, or mule, is a kind of semi-tractor intended to move semi-trailers within a cargo yard, warehouse facility, or intermodal ...
A bucket hat (variations of which include the fisherman's hat, Irish country hat and session hat) is a hat with a narrow, downward-sloping brim. Typically, the hat is made from heavy-duty cotton fabric such as denim or canvas , or heavy wool such as tweed , sometimes with metal eyelets placed on the crown of the hat for ventilation.