Nothing can equal the excitement levels of little (and big) kids on Christmas morning. However they open their presents – be it careful and considerate or frantic unwrapping – the joy of discovering ...

Abstract: A flexible fishtail-shaped antenna for WiMAX and X-band applications is presented in this letter. The proposed antenna is fed by a coplanar waveguide (CPW). Stepped-impedance lines that can ...

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NIST-developed software is provided by NIST as a public service. You may use, copy and distribute copies of the software in any medium, provided that you keep intact this entire notice. You may ...

Since its launch in February 2013, Landsat 8 has collected about 400 scenes of the Earth’s surface per day. Each of these scenes covers an area of about 185 by 185 kilometers (115 by 115 miles)—34,200 ...