Updates on NGS’s published heights in southeast Texas and NGS GPS on BMs program
| By David B. Zilkoski
This column will provide an update on the current set of published orthometric heights in the southeast Texas region based on recent GNSS surveys performed, NGS’s rules for estimating and publishing GNSS-derived orthometric heights using OPUS Projects, and the status of NGS’s GPS on Bench Marks program. |
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| | CyArk used UAVs, lidar and GNSS equipment to scan Big Basin Redwood State Park in Santa Cruz, California and create a model of it. | | READ MORE |
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| | Atwell, a full-service consulting, engineering, and construction services firm, announced its agreement to acquire Dempsey Surveying Company, expanding business in the Midwest. | | READ MORE |
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| | On Dec. 22, Hexagon AB announced its acquisition of LocLab, a German company that specializes in 3D digital twin content creation. | | READ MORE |
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| | Tactical-grade IMUs enable UAVs to achieve the same locational accuracy as ground-based systems. | | READ MORE |
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