landsat 3

[4], Landsat 3 was built by GE Aerospace. The RBV instrument on-board Landsat 3 had an improved 38 m ground resolution and used two RCA cameras which both imaged in one broad spectral band (green to near-infrared; 0.505–0.750 µm) instead of three separate bands (green, red, infrared) like its predecessors. The ground sampling interval of the MSS was 57 m (187 ft) to 79 m (259 ft), which is medium resolution. Társműholdja az Oscar 8, amatőr rádiózást segítő űre Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8. [6] The design of the DCS came from the Nimbus-3 platform, then known as the interrogation, recording, and location system (IRLS). [4] It contained two cameras to cover the 0.53 to 0.75 micrometer spectral band. Learn More. [12][13] It was placed into a sun-synchronous, near polar orbit at an inclination of 99.1 degrees and an altitude of 570 miles (920 km). Landsat 1 was launched on July 23, 1972; at that time the satellite was known as the Earth Resources Technology Satellite (ERTS).It was the first Earth-observing satellite to be launched with the express intent to study and monitor our planet’s landmasses. "Landsat 3 History". Landsat 3 amerikai ERTS (Earth Resources Technology Satellite) földmegfigyelő és erőforrás-kutat ó műholdcsalád. The Landsat program’s technical and scientific success together with political and economic pressures lead to the decision to commercialize an operational Landsat. [3], Landsat 3 (originally designated Landsat C) was the third satellite launched as a part of the Landsat program, and the last Landsat satellite managed by NASA. Band 5 was primarily used to identify cultural features. [2] Video was transmitted back to Earth in both real time and from the recorders at 2265.5 MHz. Each spectral band had different scientific uses.  Published Date The cameras were structurally isolated from the satellite so that they could maintain their alignment. The RBV system was redesigned for Landsat 3 to use two cameras, mounted side-by-side, with panchromatic spectral response and higher spatial resolution than on Landsat 1 and Landsat 2, to complement the multispectral coverage provided by the MSS. Landsat 3 adalah satelit ketiga dari program Landsat. The Landsat program’s technical and scientific success together with political and economic pressures lead to the decision to commercialize an operational Landsat. Band 7 was the most proficient at sensing through atmospheric haze, and identified water and land boundaries, vegetation, and landforms. No data processing or signal multiplexing occurred on the satellite. R. Halaman ini terakhir diubah pada 8 Juli 2020, pukul 01.02. Countries that could not afford their own satellite used the data to discover and monitor resources that they would have not been capable of otherwise. Landsat 3 was launched on March 5, 1978, three years after Landsat 2. *Landsat MSS = the numbers shown are for Landsat 4 and Landsat 5; Landsat 1-3 band numbers are 4, 5, 6 and 7. logstash-usgs-pw:palladium_root_publication_type . Mass at launch: Dry mass: 960 kg Power: 515 W Data access link: no link provided Data access information: Real-time data are available at appointed acquisition stations. [7], The MSS had five spectral bands, which is one more than Landsat 1 and 2. [8] The scene size for the scanners of the MSS was 170 kilometers (110 mi) to 185 km (115 mi), which is the area the sensors could survey per scan. Ini diluncurkan pada tanggal 5 Maret 1978, dengan tujuan utama menyediakan arsip global citra satelit (data satelit disebut gambar, bukan foto karena mereka tidak hanya tercermin paparan cahaya, tetapi rekaman radiasi fluks energi elektromagnetik dari bahan permukaan). This image shows the bandpass wavelengths for the sensors on all Landsat satellites. Die wichtigsten Sensorsysteme der Landsat-Missionen waren: Landsat 1-3: RBV (Return Beam Vidicon), MSS (Multi Spectral Scanner), Landsat 4-5: TM (Thematic Mapper), MSS, Landsat … NASA Goddard Space Flight Center. *Landsat MSS = the numbers shown are for Landsat 4 and Landsat 5; Landsat 1-3 band numbers are 4, 5, 6 and 7. [4] It contained two cameras to cover the 0.53 to 0.75 micrometer spectral band. Attribution: National Land Imaging Program. Landsat 3 completed 14 orbits of the Earth daily, and its cycle repeated every 18 days. Band 5 was primarily used to identify cultural features. Landsat 3's RBV had a resolution of 40 meters (130 ft), which was twice the resolution of Landsat 1's 80 m (260 ft). Landsat 5 ist ein US-amerikanischer Erdbeobachtungssatellit, der von 1984 bis 2013 in Betrieb war. Decline of West Antarctic Glaciers Appears Irreversible. Landsat-3 Full name: Landsat-3 Satellite Description: 3rd flight unit of the LandSat programme. Landsat 3 decommissioned on September 7, 1983, beyond its design life of one year. Célja, hogy a mezőgazdaság terméshozamát segítve jelezze az ásványi helyeket, az időjárási (vihar, hó, árvíz, tűz), a növényi betegségi, a vízben- tápanyagban szegény területeket. The cameras each had a 98 kilometers (61 mi) square viewing range, and combined the range was 185 km (115 mi). [8] The scene size for the scanners of the MSS was 170 kilometers (110 mi) to 185 km (115 mi), which is the area the sensors could survey per scan. Start Date: [7], The Return Beam Vidicon (RBV) was designed at RCA in Princeton, New Jersey. Jonathan's Space Page. The cameras contained an optical lens, RBV sensor, thermoelectric cooler, deflection and focus coils, a mechanical shutter, and erase lamps. Landsat 3 decommissioned on September 7, 1983, beyond its design life of one year. [4], "Landsat 1–5 Multispectral Scanner (MSS) Image Assessment System (IAS) Radiometric Algorithm Description Document (ADD)", https://en.wikipedia.org/w/index.php?title=Landsat_3&oldid=962092281, Creative Commons Attribution-ShareAlike License, This page was last edited on 12 June 2020, at 01:54. [5], The satellite was also equipped with a data collection system (DCS) to collect information from remote, individually equipped ground stations and to relay the data to central acquisition stations. The MSS sensor was a line-scanning device observing the Earth perpendicular to the orbital track. The MSS sensor on Landsat 3 originally had five spectral bands, but one failed shortly after launch. Launch Date: March 5, 1978; Status: put into standby mode: March 31, 1983; decommissioned: Sept. 7, 1983; Sensors: RBV, MSS Altitude: nominally 900 km "Satellite Catalog". The satellite was placed in standby mode on March 31, 1983. The Multispectral Scanner (NASA Landsat Science), Landsat Adds to World Memory - October 2011 (USGS). [4] It was made up of a double reflector telescope, scanning mirror, and detectors. New and previously unimaginable Landsat applications have been fostered by a policy change in 2008 that made analysis-ready Landsat data free and open access. Retrieved March 18, 2014. The objective of Landsat 3 was to extend the period of space-acquired Earth imagery, started by Landsat 1 and Landsat 2.The satellite was placed in standy mode on March 31, 1983 and decommissioned on September 7, 1983. Dari Wikipedia bahasa Indonesia, ensiklopedia bebas, https://id.wikipedia.org/w/index.php?title=Landsat_3&oldid=17158634, Wahana antariksa yang diluncurkan tahun 1978, Lisensi Atribusi-BerbagiSerupa Creative Commons. Landsat 3 tidak lagi beroperasi, karena telah dinonaktifkan pada tanggal 7 September 1983, jauh melampaui harapan hidup yang dirancang dari satu tahun. Since 1972, Landsat satellites have continuously acquired space-based images of the Earth’s land surface, providing data that serve as valuable resources for land use/land change research. Label . [2] The objective of Landsat 3 was to extend the period of space data acquisition for Earth resources by Landsat 1 and Landsat 2. For example, Bolivia spent $10,000 on data which was used to discover vast lithium deposits, while United States companies have invested more than $136 million for further exploration. Unlike later Landsat satellites, Landsat 3 was managed solely by NASA. The EarthExplorer (EE) user interface is an online search, discovery, and ordering tool developed by the United States Geological Survey (USGS). Landsat 3 is the third satellite of the Landsat program. A catalog of NASA images and animations of our home planet. [3], Landsat 3 (originally designated Landsat C) was the third satellite launched as a part of the Landsat program, and the last Landsat satellite managed by NASA. This was done via Presidential Directive/NSC-54 signed on Nov. 16, 1979 which assigned NOAA “management responsibility for civil operational land remote sensing activites.” (However, operational management was not transfered from NASA to NOAA until 1983). Landsat 3 was to obtain information on agricultural and forestry resources, geology and mineral resources, hydrology and water resources, geography, cartography, environmental pollution, oceanography and marine resources, and meteorological phenomena. [10] The thermal band would have enabled the MSS to have remote sensing capabilities during the night. [5], The satellite also carried two wide-band video tape recorders (WBVTR) capable of storing up to 30 minutes of scanner or camera data, giving the spacecraft's sensors a near-global coverage capability. It was launched on March 5, 1978, with the primary goal of providing a global archive of satellite imagery. [12][13] It was placed into a sun-synchronous, near polar orbit at an inclination of 99.1 degrees and an altitude of 570 miles (920 km). Es handelt sich um das fünfte Exemplar in der Reihe der Landsat-Satelliten. 946 x 710 No data processing or signal multiplexing occurred on the satellite. The RBV sensor utilized vidicon tube instruments containing an electron gun that read images from a photoconductive faceplate similar to television cameras. [10], The data from Landsat 3 was used by over 400 programs in 31 countries. The second was the satellite equipment, and the third the ground data centers. 2100 x 1600 [4], Landsat 3 carried a Multispectral Scanner, built by Hughes Aircraft Corporation. [9][8] Unlike the previous two Landsat missions, a thermal band was built into Landsat 3's MSS, but this instrument failed shortly after the satellite was deployed on July 11, 1978. Due to the orbit of the satellite, data could be obtained at a minimum of every 12 hours. [6] The design of the DCS came from the Nimbus-3 platform, then known as the interrogation, recording, and location system (IRLS). The cameras each had a 98 kilometers (61 mi) square viewing range, and combined the range was 185 km (115 mi).

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