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  2. Space-based radar - Wikipedia

    en.wikipedia.org/wiki/Space-based_radar

    ORS-2. Space-based radar or spaceborne radar is a radar operating in outer space; orbiting radar is a radar in orbit and Earth orbiting radar is a radar in geocentric orbit.A number of Earth-observing satellites, such as RADARSAT, have employed synthetic aperture radar (SAR) to obtain terrain and land-cover information about the Earth.

  3. US-A - Wikipedia

    en.wikipedia.org/wiki/US-A

    The US-A programme was responsible for orbiting a total of 33 nuclear reactors, 31 of them BES-5 types with a capacity of providing about two kilowatts of power for the radar unit. In addition, in 1987 the Soviets launched two larger TOPAZ nuclear reactors (six kilowatts) in Kosmos satellites ( Kosmos 1818 and Kosmos 1867 ) which were each ...

  4. Space Fence - Wikipedia

    en.wikipedia.org/wiki/Space_Fence

    The new Space Fence was envisioned to be a system of two or three S-band ground-based radars designed to perform uncued detection, tracking and accurate measurement of orbiting space objects, and was intended to replace the Air Force Space Surveillance System, or VHF Fence, that was transferred from the US Navy to the US Air Force in 2004.

  5. Seasat - Wikipedia

    en.wikipedia.org/wiki/Seasat

    Seasat [3] was the first Earth-orbiting satellite designed for remote sensing of the Earth's oceans and had on board one of the first spaceborne synthetic-aperture radar (SAR). ). The mission was designed to demonstrate the feasibility of global satellite monitoring of oceanographic phenomena and to help determine the requirements for an operational ocean remote sensing satellite sys

  6. National Institute of Aeronautics and Space - Wikipedia

    en.wikipedia.org/wiki/National_Institute_of...

    The National Institute of Aeronautics and Space (Indonesian: Lembaga Penerbangan dan Antariksa Nasional, LAPAN) was the Indonesian government's space agency.It was established on 27 November 1963, by former Indonesian president Sukarno, after one year's existence of a previous, informal space agency organization.

  7. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    Uses radar to measure the altitude and properties of clouds. [7] COSMO-SkyMed 1 to 4: Active Italian Space Agency (ASI) 2007 Used for defense and security assurance in Italy and other countries, seismic hazard analysis, environmental disaster monitoring, and agricultural mapping. CryoSat-2: Active ESA: 2010 CYGNSS: Active NASA 2016

  8. Envisat - Wikipedia

    en.wikipedia.org/wiki/Envisat

    RA-2 (Radar Altimeter 2) is a dual-frequency Nadir pointing Radar operating in the K u band and S bands, it is used to define ocean topography, map/monitor sea ice and measure land heights. Mean sea level measurements from Envisat are continuously graphed at the Centre National d'Etudes Spatiales web site, on the Aviso page.

  9. MARSIS - Wikipedia

    en.wikipedia.org/wiki/MARSIS

    RIME, Radar for Icy Moons Exploration (RIME) is a orbiting low frequency radar sounder and altimeter for Jupiter's Icy moons SHARAD , The Mars SHAllow RADar sounder (SHARAD) radar (20 MHz) on the later launched Mars Reconnaissance Orbiter complements MARSIS capabilities.