Understanding the NGS’ plans for modernizing the NSRS
By David B. Zilkoski
GPS World columnist David Zilkoski highlights the National Geodetic Survey’s (NGS) recent report of its plans to modernize the geopotential component of the National Spatial Reference System (NSRS) in 2022 and the four interrelated products of NAPGD2022.
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J-Shield filters out interference
J-Shield is a robust filter on Javad GNSS antennas that blocks out-of-band interference. In particular, J-Shield blocks signals that are near the GNSS bands, including the proposed Ligado Networks (formerly LightSquared) broadband signals, explained Javad Ashjaee, founder and CEO of Javad GNSS.
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Septentrio PPK gets a boost with BaseFinder function
Septentrio post-processing kinematic (PPK) software has been upgraded with multi-GNSS and BaseFinder functionality. BaseFinder improves project efficiency by automatically finding the most suitable reference station data needed for centimeter-level accuracy.
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