Understanding the differences between the North American Vertical Datum of 1988 and the new 2022 Vertical Reference Datum My Survey Scene columns have focused on procedures and routines for establishing GNSS-derived orthometric heights. My last column focused on analyzing NGS’ GPS on BM data set that is used to make National Geodetic Survey’s (NGS) hybrid geoid models. It provided procedures... read more
Riegl‘s James Van Rens discusses the company’s airborne and UAV solutions at Intergeo 2016, which was held Oct. 11-13 in Hamburg, Germany. Riegl unveiled its VQ-1560i dual lidar channel airborne laser scanning system and miniVUX-1UAV lidar sensor. read more
The GPS World 2016 Leadership Awards were presented during a special ceremony and dinner at ION-GNSS+ 2016 in Portland in September. The awards recognize significant recent achievement in the fields of position, navigation and timing: satellites, signals, services and products. The Leadership Dinner was sponsored by Harris, Rockwell Collins and Honeywell. Remarks by Alan Cameron, editor and publisher of GPS World... read more
An effective approach has been taken by the BeiDou Navigation Satellite System (BDS), and significant progress has been witnessed in 2016, from the aspects of launching new satellites, verifying new technologies, promoting applications and industrialization, strengthening international cooperation, and formulating fundamental policies. Construction Update. In March 2016, a BDS satellite was launched into an inclined geo-synchronous orbit (IGSO); another geosynchronous... read more
Fugro has been awarded a five-year survey contract by the United States Army Corps of Engineers (USACE). Task orders under this indefinite delivery, indefinite quantity (IDIQ) type contract will support architect and engineering survey and mapping support services for the military, civil and federal agencies of the corps team, Mobile District. Using a variety of airborne sensors and systems, including... read more
The National Oceanography Centre (NOC) has developed global wind speed products based on reflected GPS signals, using data from the UK TechDemoSat-1 satellite, reports Hydro International. The achievement demonstrates the potential of GNSS reflectometry (GNSS-R) to improve sampling of ocean surface winds, as well as improve weather monitoring and forecasting by complementing existing satellite measurements from scatterometers and radiometers. The... read more
Farmstar, a service of Airbus Defence and Space and ARVALIS – Institut du végétal for precision farming based on satellite information, has been further improved. New images acquired by the SPOT 6 and SPOT 7 satellites will make it possible to issue intra-field recommendations for areas as small as 1 hectare. Also, new interactive advice is provided for nitrogen input... read more
The Pentagon’s Defense Advanced Research Projects Agency, better known as DARPA, has awarded Raytheon multiple contracts to research and develop technologies that will detect and respond to cyber attacks on the U.S. power grid infrastructure. The contracts, which total $9 million, were awarded under DARPA’s Rapid Attack Detection, Isolation and Characterization Systems program. “During the last two decades, industrial control... read more
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