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Lurker

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Lurker last won the day on January 21

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About Lurker

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    Associate Professor
  • Birthday 02/13/1983

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    INDONESIA
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    GIS and Remote Sensing

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  1. so you want to add another point in existing postgres database? or you want to load point from postgres database?
  2. Emlid has debuted the Reach RS2, a fully-featured multi-band RTK receiver. All of its features are available out of the box, along with a survey app for iOS and Android. The Reach RS2 tracks L1/L2 bands on GPS, GLONASS and BeiDou, and L1/L5 on Galileo, and acquires a fixed solution in seconds. It achieves centimeter-level precision for surveying, mapping and navigation and maintains robust performance even in challenging conditions. Centimeter accuracy can be achieved on distances up to 60 km in RTK and 100 km in PPK mode. Up to 22 hours of autonomous work when logging data and up to
  3. Until recently, there have been no clear assessment of how much CO2 and the role that soils contribute in emissions relative to other greenhouse gases. Now a global scale map using statistical models and satellite imagery, along with other work by scientists, is beginning to indicate how much land use and soil change can affect our planet’s climate. In a recent study, a series of machine learning models using multiple nonlinear regression (MNLR), random forest regression (RFR), support vector regression (SVR), and artificial neural network (ANN) were assessed for determining Rs datasets
  4. The Artemis generation of lunar explorers will establish a sustained human presence on the Moon, prospecting for resources, making revolutionary discoveries and proving technologies key to future deep space exploration. To support these ambitions, NASA navigation engineers from the Space Communications and Navigation (SCaN) program are developing a navigation architecture that will provide accurate and robust position, navigation and timing (PNT) services for the Artemis missions. GNSS signals will be one component of that architecture. GNSS use in high-Earth orbit and in lunar space will
  5. Germany is the first United States ally to order the new military code (M-code)-capable Military GPS User Equipment (MGUE). The Space and Missile Systems Center’s Space Production Corps achieved the major milestone on Sept. 30, when GPS Foreign Military Sales (FMS) office received its first M-code MGUE order.Germany is expected to receive delivery of its first M-code receivers this year. SMC is facilitating international access and availability of M-code user equipment as directed by the Secretary of the Air Force and the Office of the Secretary of Defense to 58 authorized nations. A
  6. The Sea of Galilee (also known as the Sea of Tiberias, Lake Tiberias, Lake of Gennesaret, and Lake Kinneret), located in northeast Israel, is the world’s lowest freshwater lake. After the Dead Sea, the Sea of Galilee is the world’s second-lowest lake in the world. The lake measures 21 kilometers (13 miles) north-south, and it is only 43 meters (141 feet) deep. Most of the inflow of water to the Sea of Galilee arrives via the Jordan River from the north, although some underground springs drain into the lake. Water levels have been dropping for the past two decades, reaching a nearly a
  7. According to the National Snow and Ice Data Center in the United States, about 69% of freshwater supplies are stored in Earth’s ice sheets and glaciers. This means measuring water content in ice and glaciers is critical to understanding future changes to water supplies as well as sea level rise, where melting glaciers and ice sheets are the biggest contributing factor in this rise. Modern satellites now allow us to make more accurate mass measurements to large areas covered by ice, which also allows us to better understand sea level change. Measuring mass for ice sheets and glaciers
  8. DJI — one of the largest and most popular drone companies in the world — has been added to the US Department of Commerce’s Entity List, designating the Chinese company as a national security concern and banning US-based companies from exporting technology to the company. DroneDJ first reported the news, which was confirmed by Reuters based on a conference call with a senior commerce official. The Department of Commerce referred questions to the Federal Register listing. DJI declined to comment. The ban was put in place through the same mechanism as the US government’s ongoing ban on
  9. There’s a new member of DJI’s Enterprise line of drones. It’s the Mavic 2 Enterprise Advanced, and it features a new 32X camera, a DJI-produced thermal sensor, and a Real-Time Kinematic module for centimeter-level accuracy. The new model comes a little more than two years after DJI released its Mavic 2 Enterprise, which proved a very popular drone with First Responders – ranging from lifeguards to law enforcement to Search and Rescue teams. It was that drone which heralded the modular design, allowing such extras as lights, a loudspeaker, and more to be affixed to the drone depending on t
  10. On November 21st, Sentinel-6 was launched by the European Space Agency (ESA) using a SpaceX Falcon 9 rocket. The satellite was developed in partnership with NASA and other agencies and was named after former NASA Earth Science Division Director Michael Freilich.[1] The recent launch of Sentinel-6 Michael Freilich/Jason CS is the latest mission that will collect sea level measurements at more frequent intervals to monitor the effects of climate change on our oceans. With one of the biggest threats of climate change being the rise of ocean levels, this represents an important tool for scie
  11. In a study published this week in The Cryosphere, researchers from the National Centre for Atmospheric Science and University of Reading demonstrate how climate change could lead to irreversible sea level rise as temperatures continue to rise and the Greenland ice sheet continues to decline. The massive ice sheet faces a point of no return, beyond which it will no longer fully regrow, permanently changing sea levels around the world. The Greenland ice sheet is seven times the area of the UK, and stores a large amount of the Earth's frozen water. At current rates of melting, it contri
  12. To meet the most ambitious 1.5º C climate goal requires a rapid phase-out of fossil fuels and mass use of renewables. However, new international research by the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB) warns that green energy projects can be as socially and environmentally conflictive as fossil fuel projects. While renewable energies are often portrayed as being environmentally sustainable, this new study cautions about the risks associated with the green energy transition, arguing for an integrated approach that redesigns energy sys
  13. About the size of a small pickup truck, Sentinel-6 Michael Freilich will extend a nearly 30-year continuous dataset on sea level collected by an ongoing collaboration of U.S. and European satellites while enhancing weather forecasts and providing detailed information on large-scale ocean currents to support ship navigation near coastlines. The ocean-observing Sentinel-6 Michael Freilich satellite launched from Vandenberg Air Force Base in California aboard a SpaceX Falcon 9 rocket on Nov. 21, 2020 at 12:17 p.m. EST (9:17 a.m. PST, 5:17 p.m. UTC). Credit: NASA-JPL/Caltech "The Earth i
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