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  2. History of synthetic-aperture radar - Wikipedia

    en.wikipedia.org/wiki/History_of_synthetic...

    Although creating that radar was a more straightforward task based on already-known techniques, that work did demand the achievement of signal linearity and frequency stability that were at the extreme state of the art. An adequate instrument was designed and built by the Radar Laboratory and was installed in a C-46 (Curtiss Commando) aircraft ...

  3. Recorded "Live" at Basin Street East - Wikipedia

    en.wikipedia.org/wiki/Recorded_"Live"_at_Basin...

    At Newport '63. (1963) Recorded "Live" at Basin Street East is an album by the jazz vocalese group Lambert, Hendricks & Bavan recorded at the New York City nightclub Basin Street East. The album features the group who had re-formed in 1963 featuring Dave Lambert and Jon Hendricks, with Yolande Bavan replacing Annie Ross who had left the group ...

  4. RISAT - Wikipedia

    en.wikipedia.org/wiki/RISAT

    RISAT 2BR1. RISAT-2BR1 is an Indian radar reconnaissance satellite that is part of India's RISAT programme and the fourth satellite in the series. It is built by Indian Space Research Organisation (ISRO). It was launched on 11 December 2019 at 3:25 PM IST on board PSLV rocket from Satish Dhawan Space Centre.

  5. Sentinel-1 - Wikipedia

    en.wikipedia.org/wiki/Sentinel-1

    Sentinel-2 →. Sentinel-1 is the first of the Copernicus Programme satellite constellations conducted by the European Space Agency. [4] The mission was originally composed of a constellation of two satellites, Sentinel-1A and Sentinel-1B, which shared the same orbital plane. Two more satellites, Sentinel-1C and Sentinel-1D are in development.

  6. Space Fence - Wikipedia

    en.wikipedia.org/wiki/Space_Fence

    Space Fence. The Space Fence is a second-generation space surveillance system operated by the United States Space Force in order to track artificial satellites and space debris in Earth orbit. [1] Contracts were issued for development and construction in 2014, and the Space Fence was expected to be operational in the fourth quarter of 2019. [1 ...

  7. Air Route Surveillance Radar - Wikipedia

    en.wikipedia.org/wiki/Air_Route_Surveillance_Radar

    Frequency. L band. Range. 290 miles. The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's most recent (late 1980s, early 1990s) addition to the "Long Range ...

  8. Malaysia Airlines Flight 370 satellite communications

    en.wikipedia.org/wiki/Malaysia_Airlines_Flight...

    The analysis of communications between Malaysia Airlines Flight 370 and Inmarsat's satellite telecommunication network provide the primary source of information about Flight 370's location and possible in-flight events after it disappeared from military radar coverage at 02:22 Malaysia Standard Time (MYT) on 8 March 2014 (17:22 UTC, 7 March), one hour after communication with air traffic ...

  9. Geosynchronous satellite - Wikipedia

    en.wikipedia.org/wiki/Geosynchronous_satellite

    Satellites in geostationary orbit. A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth's rotation period.Such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day traces out a path in the sky that is typically some form of analemma.