is landsat 7 still operational

This satellite's longevity preserved the Landsat program through the loss of Landsat 6 in 1993, preventing the specter of a data gap before the launch of Landsat 7 in 1999." The main component on Landsat 7 was the Enhanced Thematic Mapper Plus (ETM+). The second Landsat was still considered an experimental project and was operated by NASA. Ike will likely pass near or over the Turks and Caicos Islands and the southeastern Bahamas later in the day on Sat. 1. Landsat 8 captures about 400 images of the Earth each day, far more than the 250 a day of Landsat 7. Now, more than 20 years later, Landsat 7 is still going strong. Landsat 2 carried the same sensors as its predecessor: the Return Beam Vidicon (RBV) and the Multispectral Scanner System ( MSS ). At the same time, Landsat 5 has suffered problems with its solar array drive which have affected data availability. Visualization Date: October 29, 2021. The data is in GeoTiff format with 16 bit radiometric resolution (ranges from 0-65535). Landsat Unfortunately, the administration’s latest Landsat data continuity strategy appears to be crossing its fingers and hoping that the already degraded Landsat 7 … Seven other satellites followed the first into orbit over the years, sometimes replacing ones that had reached the end of their operational life, sometimes joining ones still in operation. NASA and USGS Release Stunning First Images From New ... Since Landsat-5 failed in late 2011, there is no opportunity to acquire Sentinel-2 imagery coincident with that. Landsat 7 is also still operating. constituents, including water vapour. It was similar to Landsat 5 but had an upgraded panchromatic imager called the Enhanced Thematic Mapper, which had a resolution of 15 meters. The imagery varies in spatial resolution (10‒500m/pixel), revisit periods (2‒16 days) and spectral bands contained (4 to 12 bands). The second Landsat was still considered an experimental project and was operated by NASA. Landsat Landsat 8 February 11, 2013 Still active 1 year, 11 months and 23 days Originally named Landsat Data Continuity Mission from launch until May 30, 2013, when NASA operations were turned over to USGS. Lights On Saturday, Sept. 6, Hurricane Ike was still a powerful Category 3 storm on the Saffir-Simpson Scale, and he's eyeing the Bahamas and Hispaniola on Sept. 7. Landsat 8 bands from the OLI sensor are coastal, blue, green, red, NIR, SWIR-1, SWIR-2, and cirrus. NASA is launching its next successor to the still operational Landsat 7 satellite, the Landsat Data Continuity Mission (LDCM) on Feb. 11, 2013. That’s because of improved instrumentation over the previous satellites, Landsat 8, which is still in orbit, and Landsat 7, which is the satellite being replaced. Global Forest Change Equally important, with Landsat 7 still operational, we have returned to global imaging on an 8-day cycle, a capability that ended when Landsat 5 ceased operational Earth imaging in November 2011. Editor’s Note: On Sept. 7, 2021, the rocket provider was added. Landsat: Four Decades of Images and Data | Space Between Landsat 8 and the still-operational Landsat … 5. Satellite Data: What Spatial Resolution Is Enough For You? The images capture years with the two highest and lowest levels over the past 22 years. This is almost double the imagery collected three years ago, when Landsat 5 and 7 were operating together. The TIR band of Landsat 7 is Landsat 8, Operational Land Imager (OLI) Landsat collection status. In 1984 Congress passed the Land Remote Sensing Commercialization Act that privatized the Landsat Program. Sentinel 2 data, Landsat 8 OLI and TIRS, Landsat ETM+ data, MODIS data coming from operational satellites is regularly updated and immediately available for viewing, analysis or download. Collectively, these improvements are sparking the growth of science and applications opportunities. In April 2021, the satellite marked its 22nd year of serving as a set of eyes on … Landsat 8, Operational Land Imager (OLI) Landsat collection status. Enter Search Criteria. Landsat 9 is currently being integrated for launch next month on an Atlas 5 rocket. It continuously broadcasts what it is seeing below, but it doesn’t store the images. This study evaluates the radiometric consistency between Landsat-8 Operational Land Imager (OLI) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) using cross calibration techniques. Landsat 8 was launched February 11, 2013, and is the newest Landsat. The second Landsat was still considered an experimental project and was operated by NASA. Collected March 30, 1976. Landsat 7 was launched as a continuation of the Landsat programme on 15th April 1999 and is still operational as of July 2014. [11] The main component on Landsat 7 was the Enhanced Thematic Mapper Plus (ETM+). NASA plans to launch Landsat 9 in 2020, officials said. lo DOD [rmjfemed $90 nli]lion to NASA for the development of Landsat 7. Equally important, with Landsat 7 still operational, we have returned to global imaging on an 8-day cycle, a capability that ended when Landsat 5 ceased operational Earth imaging in November 2011. As it orbits the Earth in a north-south pattern, Landsat 8 collects images from a swath about 115 miles (185 km) across, using a push broom sensor, which captures data from the entire swatch at the same time. Follow us @Spacedotcom , Facebook and Google+ . Landsat 8, the Operational Land Imager (OLI) acquires data in the visible and short-wave infrared range, and the Thermal Infrared Sensor (TIRS) provides the TIR data. While Landsat 8 is still in orbit, the satellite that Landsat 9 is replacing is Landsat 7. Each image was acquired in late summer or early fall to reduce the amount of seasonal snow in the scenes. Landsat 7 is still operational, but NASA launched the Landsat Data Continuity Mission (LDCM) on Feb 11, 2013. Two remain operational: Landsat-5, launched The repeat cycle is 16 days. Mission Continuity: Landsat 7, launched in 1999, is part of a long history of land remote sensing spacecraft, spanning 40 years of multispectral imaging of the Earth’s surface, starting with the launch of Landsat 1 in 1972. Comparing Landsat 7 Band 3 and Landsat 8 Band 3, which of the following is most correct? MSS band designations. In March 2013, the Landsat 8 satellite (then known as LDCM) was in position under Landsat 7 to collect near-coincident data for calibration activities. The CPF used to To narrow your search area: type in an address or place name, enter coordinates or click the map to define your search area (for advanced map tools, view the help documentation), and/or choose a date range. Radiometric Cross Calibration of Landsat 8 Operational Land Imager (OLI) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+) Nischal Mishra 1,*, Md Obaidul Haque 2, Larry Leigh 1, David Aaron 1, Dennis Helder 1 and Brian Markham 3 1 Engineering-Office of Research, South Dakota State University (SDSU), Brookings, SD 57007, When the Operational Land Imager (OLI) on Landsat 8 acquired this natural-color image on March 7, 2020, the delta was just starting to shake off the chill of winter. Scientists point to upgrades with Landsat 9 that include the ability to differentiate between 16,000 shades of a … Landsat 8 was launched on February 11, 2013. In April 2021, the satellite marked its 22nd year of serving as a set of eyes on our home planet, documenting Earth’s splendors such as the expansion of cities and calamities like … Still consisting of the 15m-resolution panchromatic band, but also includes a full aperture calibration. The Operational Land Imager (OLI) on Landsat 8 acquired this image of Volcano Island on February 7, 2014. NASA engineers devised a way to handle this problem and Landsat 5 is still operational at the present time, 25 years after its designed life expectancy. 3 Products overview 3.1 Input data The Operational Land Imager (OLI) sensor is a moderate spatial resolution multi-spectral imager onboard the Landsat-8 satellite, in a sun-synchronous orbit with a 705 km altitude and a 16-day Originally designed to view clouds by moonlight, the OLS is also used to … Landsat 9 is an upgrade over the 2013 Landsat 8 which is still in operation. As an example, nineteen years ago Landsat 7 was launched with similar planned operational lifespans. For example, the Operational Land Imager (2013-onward) onboard the Landsat 8 spacecraft employs a pushbroom sensor technology that increases per observation dwell time compared to past whiskbroom systems. Table 2. 2013 – Landsat 8 Illustration of the Landsat-7 spacecraft (image credit: NASA) S/C mass = 2200 kg, dimensions: … The images were processed by Geoscience Australia. REFERENCES. Landsat 7 was launched in 1999 and remains operational. The result is a signal to noise ratio that is a magnitude greater than that of Landsat 7’s Enhanced Thematic Mapper Plus sensor. One source of thermal data with a spatial resolution high enough to study sub-mesoscale processes in coastal waters may be the Landsat mission. The Landsat program is managed and operated by the United States Geological Survey, and data from Landsat 7 is collected and distributed by the USGS. Satellite still delivering after 20 years; our eyes are on what’s next. Thermal Infrared Sensor (TIRS) consists of 2 thermal bands with a spatial resolution of 100 meters. By comparison, Landsat 7 is only able to detect 256 shades. At one point, a government agency was prepared to shut the satellites off. Animation of the Landsat 9 spacecraft in orbit around Earth, passing over the US from the Great Lakes to the Gulf of Mexico. Once Landsat 9 is operational, it and Landsat 8 will acquire around 1,500 high-quality These 8 bands have a ground resolution of 30 meters. Landsat 2 carried the same sensors as its predecessor: the Return Beam Vidicon (RBV) and the Multispectral Scanner System ( MSS ). Users are cautioned however that HLS is still a research product. 1. Since NASA launched the first Landsat satellite in 1972, the program has been in constant operation. It suggests that Landsat 5 would be at the end of its operational life and not be reliable on … Landsat 2 carried the same sensors as its predecessor: the Return Beam Vidicon (RBV) and the Multispectral Scanner System . Operational Land Imager (OLI) This is a similar data as in the table above yet separated by every sensor. Equally important, with Landsat 7 still operational, we have returned to global imaging on an 8-day cycle, a capability that ended when Landsat 5 ceased operational Earth imaging in November 2011. Landsat 2 was launched on January 22, 1975, two and a half years after Landsat 1. For example, the Operational Land Imager (2013-onward) onboard the Landsat 8 spacecraft employs a pushbroom sensor technology that increases per observation dwell time compared to past whiskbroom systems. The excellent data quality, consistent global archiving scheme, and reduced pricing ($600) of Landsat 7 led to a large increase of Landsat data users. Here, the Multi-Spectral Instrument (MSI) onboard Sentinel-2A and -2B and the Operational Landsat Imager (OLI) onboard Landsat-8 were employed to assemble the virtual constellation and to track spatial and seasonal variations in floating algae blooms from 2016 to 2020 in a small eutrophic plateau lake: Lake Xingyun in China. Landsat 7 is still operating with a faulty scan line corrector. Landsat 8 Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) images consist of nine spectral bands with a spatial resolution of 30 meters for Bands 1 to 7 and 9. However, both Landsat-7 and Landsat-8 are still operational and there is now a considerable period in which data have been acquired from Sentinel-2A, Landsat-7 and Landsat-8. The land-observing satellite was supposed to work for five years. Now, more than 20 years later, Landsat 7 is still going strong. The satellite will travel at 7.5 km/second, circling the globe every 99 minutes at an altitude of 705 km (438 miles). Landsat 9 replaces the Landsat 7; Landsat 8 is still in operation. Landsat 7: 15 April 1999: Still active: 22 years, 7 months and 14 days: Operating with scan line corrector disabled since May 2003. The NASA WorldWindproject allows 3D i… The animation above shows the Enterprise mine from January 1, 1988, to March 11, 2018. Still consisting of the 15m-resolution panchromatic band, but also includes a full aperture calibration. Landsat Chronology • Landsat 1 - launched July 23, 1972, terminated operations January 6, … Landsat 9 carries two instruments that capture imagery: the Operational Land Imager 2 (OLI-2), which detects visible, near-infrared and shortwave-infrared light in nine wavelengths, and the Thermal Infrared Sensor 2 (TIRS-2), which detects thermal radiation in two wavelengths to measure Earth’s surface temperatures and its changes. OLI images can discriminate vegetation types, cultural features, biomass, vigor, etc. ETM+ scan coverage with and without the operating Scan Line Corrector (image credit: USGS) The system for handling Landsat data divides the world's landmass into 57,784 scenes. The spectral range of Landsat 7 Band 2 is completely different from the spectral range of Landsat 8 Band 3 The spectral range is identical. After a pause of about 7½ hours, the thrusters fired a second time for about 13 minutes.This was the last such maneuver for Landsat 7 and the beginning of the end for the satellite, which has provided images of the earth’s changing resources for more than 17 … Despite the failure of the scan-line-corrector (SLC) which causes data gaps in the ETM + imagery, Landsat 7 is still providing useful information over about 80% of a given Landsat scene. Between Landsat 7 (launched in 1999 and still active) and Landsat 8, nearly 1,000 images per day are being collected. Landsat 8 Instruments. Landsat 7, however, is expected to consume its remaining fuel by summer 2021. At this height, Landsat 8 moves at about 4.7 miles per second and orbits Earth 15 times each day. Landsat 4 was launched in 1982; Landsat 5 was launched in 1984. Mapping and monitoring the spatio-temporal variations of the Surface Urban Heat Island (SUHI) and thermal comfort of metropolitan areas are vital to obtaining the necessary information about the environmental conditions and promoting sustainable cities. The Scan Line Corrector failed in 2003, however, causing data acquisitions to be degraded. Its predecessor, Landsat 7, is still operating after 19 years in orbit. Jason-1 was launched in 2001 and it was followed by OSTM/Jason-2 in 2008, and Jason-3 in 2016 – the Jason satellite … On Tuesday, February 7, Landsat 7’s Flight Operations Team fired the spacecraft’s 1-pound thrusters for about 13 minutes. All seven of the world’s oldest surviving fern species can still be found in Daintree, as well as 12 of the world’s 19 most primitive flowering plants. Both Landsat 7 and 8 are still active, and have provided data since 1999 and 2013, respectively. Comparison between Landsat 7 Enhanced Thematic Mapper Plus (ETM+) and Landsat 8 Operational Land Imager (OLI) ... and Landsat 8 Operational Land Imager (OLI) and also performed statistical analysis on ... a duplicate of 4, was launched in 1984 and is still returning useful data. Even ships that are anchored still need to run auxiliary engines to keep key systems … TIRS measures Earth’s thermal energy particularly useful for tracking how land and … Jason-1 was a satellite altimeter oceanography mission. (Click on the downloadable large image to … Images of important areas in the development of Landsat 8. This allows for 5% absolute radiometric calibration. to continually update products with <2-day latency. More than 40 years after the explosive eruption of Mount St. Helens, relics from the blast continue to haunt nearby Spirit Lake. Landsat 8 is the most recently launched Landsat satellite and carries the Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS) instruments. Illustration of the Landsat 8 Satellite. Landsat 9 carries two instruments that capture imagery: the Operational Land Imager 2 (OLI-2), which detects visible, near-infrared and shortwave-infrared light in nine wavelengths, and the Thermal Infrared Sensor 2 (TIRS-2), which detects thermal radiation in two wavelengths to measure Earth’s surface temperatures and its changes. Landsat-7 and Landsat-5 are 8 days in 1984; and Landsat-7, launched in 1999. Landsat 2 was launched on January 22, 1975, two and a half years after Landsat 1. The Thermal Infrared Sensor on board Landsat 8 collects data in two bands, which allows for the use of the well-known … Landsat 5 is one of seven satellites in the Landsat Program, designed, built and launched by NASA, and operated by the U.S. Geological Survey (USGS). Operational Land Imager (OLI) generates 9 spectral bands (Band 1 to 9) and is onboard Landsat-8. Now, more than 20 years later, Landsat 7 is still going strong. Landsat 2. J.A. As a result, the Landsat program is on secure footings and planning is underway to extend the record for another 20 or more years. Landsat 7’s rigorous calibration standards have made it the validation choice for many coarse-resolution sensors. Operating with scan line corrector disabled since May 2003. The main component on Landsat 7 was the Enhanced Thematic Mapper Plus (ETM+). Still consisting of the 15m-resolution panchromatic band, but also includes a full aperture calibration. This allows for 5% absolute radiometric calibration. Sea surface temperature (SST) is a key hydrological variable which can be monitored via satellite. Artist's conception of the Landsat 9 spacecraft, the ninth satellite launched in the long-running Landsat program, high above the U.S. Editor’s Note: On Aug. 16, 2021, the builder of Landsat 9 was added. Images of important areas in the development of Landsat 8. Landsat 7 April 15, 1999 Still active 15 years, 9 months and 19 days Operating with scan line corrector disabled since May 2003. The main component on Landsat 7 was the Enhanced Thematic Mapper Plus (ETM+). Springtime typically marks the lowest water levels before mountaintop snow starts to melt and run down into the watershed. Still consisting of the 15m-resolution panchromatic band, but also includes a full aperture calibration. Landsat 7: 15 April 1999: Still active: 22 years, 7 months and 14 days: Operating with scan line corrector disabled since May 2003. They complete one orbit every 99 minutes, for 14 ½ orbits per day. The result is a signal to noise ratio that is a magnitude greater than that of Landsat 7’s Enhanced Thematic Mapper Plus sensor. NASA Unveils New Interactive Website Ahead of Landsat 9 Launch. Continuing the longstanding Earth imaging program, NASA recently launched a successor to the still-operational Landsat 7 satellite; the … Launched on 15 April 1999, Landsat 7's primary goal is to refresh the global archive of satellite photos, providing up-to-date and cloud-free images. The Landsat program is managed and operated by the United States Geological Survey, and data from Landsat 7 is collected and distributed by the USGS. Data Date: May 14, 2018 - October 21, 2018. In November 2011, the due to a rapidly degrading electronic component. The instruments on offset from each other, so users benefit by having a Landsat Received 1 March 2002. It sought to monitor global ocean circulation, study the ties between the ocean and the atmosphere, improve global climate forecasts and predictions, and monitor events such as El Niño and ocean eddies. hampers the use of the Landsat 7 ETM+ data. Landsat 8 orbits 712 kilometers (443 miles) up. Only Landsat 5 and 7 are still operational. B. LANDSAT-4 MSS band-7 subscene showing the same reach of the Pilcomayo River as in "A" above. To reduce the risk of a gap in Landsat data availability, Landsat 9 development was initiated in March 2015, with a design that is essentially a rebuild of Landsat 8. C. Diagram showing the change in the course of the Pilcomayo River from 1976 to 1982. The two satellites still in operation, Landsats 7 and 8, are in a polar orbit 705 kilometers (438 miles) above the Earth’s surface. The land-observing satellite was supposed to work for five years. Its replacement, Landsat 7, was launched in April 1999 and is still operational to this day — 22 years and going strong. Today, the Landsat program continues to provide data used across the United States and the world for agricultural and forest monitoring and water resource management, among many other environmental applications. The next NASA land surface imaging mission is called the Landsat Data Continuity Mission and is scheduled for launch in December 2012. A few of those upgrades include higher radiometric resolution of images that can detect the differences between 16,000 different shades of a wavelength color. Historically, GSFC Control Centers were located in federal facilities due to the inherent cost and complexi ty of interfacing to secure (closed) networks. Privatization. Landsat 7 is the seventh satellite of the Landsat program. On-board Landsat-8, OLI produces 9 spectral bands (Band 1 to 9). Landsat 7 April 15, 1999 Still active 21 years, 4 months and 13 days Operating with scan line corrector disabled since May 2003. ... and the rate of downloads is still increasing. On September 5, 2019, the Operational Land Imager (OLI) on Landsat 8 captured this … The back up plan was to fill in the gaps in the collection with images from the older, but still-operational Landsat 5 satellite. NASA is launching its next successor to the still operational Landsat 7 satellite, the Landsat Data Continuity Mission (LDCM) on Feb. 11, 2013. Pre-Collection 1: no longer being produced by USGS, unmaintained by Earth Engine, still available in Earth Engine but will eventually be purged. Once Landsat 9 passes all of its checks, it … ... and the rate of downloads is still increasing. The MSS instrument was turned off in August of 1995. The narrowness of the 8a band at 865 nm in the NIR is designed to avoid contamination from water vapour yet still be able to Landsat 7 is part of ESA's Third Party Missions Programme, in which ESA has an agreement to distribute data products from the missions. A three-axis attitude control subsystem stabilizes the satellite and keeps the instrument pointed toward Earth to within 0.05 degrees. LDCM carries two new instruments, the Operational Landsat 2. The natural-color images above were acquired in March 1999, April 2005, May 2011, and April 2021 by the Landsat 5, 7, and 8 satellites. The images were acquired by the Thematic Mapper, Enhanced Thematic Mapper, and the Operational Land Imager (OLI) on the Landsat 5, 7, and 8 satellites, respectively. A. LANDSAT-2 MSS band-7 sub-scene showing a reach of the Pilcomayo River. The main component on Landsat 7 was the Enhanced Thematic Mapper Plus (ETM+). Its replacement, Landsat 7, was launched in April 1999 and is still operational to this day — 22 years and going strong. Here we are using the Landsat image acquired from USGS Earth Explorer. Landsat 8 Instruments. operated in orbit. i! Still consisting of the 15m-resolution panchromatic band, but also includes a full aperture calibration. This image of Earth’s city lights was created with data from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS). But Landsat 5 doesn’t have an onboard data recorder. Pre-Collection 1: no longer being produced by USGS, unmaintained by Earth Engine, still available in Earth Engine but will eventually be purged. Landsat 2 was launched on January 22, 1975, two and a half years after Landsat 1. Landsat 5 - TM. It is still working today, although there have been some degradation issues, and IT achieved its own significant milestone on the 1 st February when it completed its 100,000 th orbit of the Earth. Indeed, Landsat 7, which launched in 1999 with a planned mission of five years, is still operating today. That resolution is good enough to see roads. In March 2013, the Landsat 8 satellite (then known as LDCM) was in position under Landsat 7 to collect near-coincident data for calibration activities. might still be possible to retrieve data from the MSS aboard both satellites because the MSS sensor is still capable of operating and it uses an S-Band transmitter that is also still operational. Landsat 7 •Launched in 1999 with 5-year design life •Imaging anomaly in May 2003 causes each scene to be missing 22% of pixels • Images still acceptable for most science and operational users •Acquiring over 350 new images/day •Latest estimate for … Barsi.' Landsat -7 systematic approach to developing and executing a back - up Mission Operational Control Center located in an offsite commercial facility. It takes just 99 minutes to orbit Earth once and 16 days to take data of all the land on Earth. "The incredible first pictures from the Landsat 9 satellite are a … Landsat 8 was launched in February 2013 and is also still active. Landsat 7 was launched on April 15, 1999, carrying the Enhanced Thematic Mapper (ETM +). Refer to LSDS-1834 Landsat 8-9 Operational Land Imager (OLI) – Thermal Infrared Sensor (TIRS) Calibration Parameter File (CPF) Data Format Control Book (DFCB) for definitions of the reflectance conversion and the rescaling values used to process the L1 products. The spectral range is nearly identical. LDCM carries two … The original LANDSAT Near Infra-Red (NIR) band (760-900 nm) was found to be heavily contaminated by water vapour and not sensitive enough to parameters such as soil iron oxide content. Since there is only enough room for roughly 60 cargo ships to drop anchor in shallow waters near the Los Angeles and Long Beach ports, the rest of the waiting ships are held in deeper waters, where they keep their main engines running and move in circles to maintain their position. One major difference between Landsat 7 and 9 is the enhanced color differentiation. 9 HOW ever. In April 2021, the satellite marked its 22nd year of serving as a set of eyes on our home planet, documenting Earth’s splendors such as the expansion of cities and calamities like … All of the images were acquired by instruments on Landsat satellites: the Thematic Mapper on Landsat 5, the Enhanced Thematic Mapper Plus on Landsat 7, and the Operational Land Imager on Landsat 8. Now, more than 20 years later, Landsat 7 is still going strong. With the launch failure of the privately built Landsat 6 in 1993 and the launch of Landsat 7 in 1999, scientists would have had a 12-year gap in observations if Landsat 5 had … and it could no longer download international data to the U.S. NASA engineers devised a way to handle this problem and Landsat-5 is still operational at the present time, 25 years after its designed life expectancy. 1982 Landsat 4 Thematic Mapper (TM: 30m) until 1987 1984 Landsat 5 TM ... still operational 1993 Landsat 6 Enhanced TM: (ETM+) failed shortly after launch 1999 Landsat 7 ETM+ ... malfunctionned April 2003 2005 Landsat imagery (ETM-2000) was used for Google Earth mosaic Overlap for Landsat sensors is 14% at equator, 45% at 50 degrees Launched on 15 April 1999, Landsat 7's primary goal is to refresh the global archive of satellite photos, providing up-to-date and cloud-free images. Accepted 13 August 2002. As the most populated city of Iran, Tehran has experienced considerable population growth and Land … Collected October 12, 1982. This version is still operating with scan line corrector disabled since May 2003. The island rises from the north-central side of Taal Lake, which in turn fills the much broader Taal caldera. Landsat 3 March 5, 1978 September 7, 1983 MSS/RBV Landsat 4 July 16, 1982 June 15, 2001 MSS/TM Landsat 5 March 1, 1984 2013 MSS/TM Landsat 6 October 5, 1993 Did not achieve orbit ETM Landsat 7 April 15, 1999 Operational ETM+ Landsat 8 February 11, 2013 Operational OLI/TIRS.
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