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Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [ 1 ...
An 1818 survey erroneously placed Georgia's border with Tennessee one mile (1.6 km) south of the intended location of the 35th parallel north. [25] State legislators still dispute this placement , as correction of this inaccuracy would allow Georgia access to water from the Tennessee River .
As you wait for prescription drug costs to come down from the clouds, here's how you can save money on the medications you need. 1. Use a coupon program. If you don't have insurance, a ...
is the coefficient of efficiency (a unitless, scalar coefficient, ranging from 0 for completely inefficient to 1 for completely efficient). ρ {\displaystyle \rho } ( rho ) is the density of water (~1000 kg / m 3 )
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.
In year-to-date 2019 (through March), further referred to as YTD 2019, Canada exported 1.39 million metric tons of steel, a 22 percent decrease from 1.79 million metric tons in YTD 2018. Based on available data, Canada's exports represented about 1.5 percent of all steel exported globally in 2017.
The largest sector in terms of energy consumption is electricity with a renewable share of 22.8%, most of it coming from hydropower with a share of 16.6%, followed by wind with 3.1%. [25] As of 2018 [update] , according to REN21 , transformation is picking up speed in the power sector, but urgent action is required in heating, cooling and ...
A Gray code absolute rotary encoder with 13 tracks. Housing, interrupter disk, and light source are in the top; sensing element and support components are in the bottom. Gray codes are used in linear and rotary position encoders ( absolute encoders and quadrature encoders) in preference to weighted binary encoding.