The California Spatial Reference Center (CSRC) modernized the California Spatial Reference Network (CSRN) on July 31, 2025. The new California Spatial Reference Network is denoted as CSRN Epoch 2025.00.  <p>These coordinates changes affect California geospatial users, but the transition process to…
Evaluating your constraints in a GNNS network adjustment

My previous newsletter highlighted a National Geodetic Survey (NGS) webinar held on April 25, 2025, titled “Design of Networks Using NOS NGS 92,” given by Dave Zenk, NGS northern plains regional advisory. <p><em>[Authors note: Dave Zenk told me that he…
Point One Navigation launches new features for Polaris Network

Photo: Point One Navigation Point One Navigation has released a new Tags feature for its precise positioning Polaris network. The Tagging feature aims to simplify building and using positioning networks and systems for a wide range of applications including surveying,…
USGS upgrading Hawaiian geodetic network to monitor volcanoes

The Hawaiian Volcano Observatory (HVO) of the U.S. Geological Survey has been working to rebuild its geodesic monitoring network after lava consumed several GNSS stations in 2018. The work began following the 2018 Kīlauea lower East Rift Zone eruption and…
Trimble acquisitions increase VRS network in Canada, New Zealand

Photo: Trimble Trimble has acquired Cansel Survey Equipment’s Can-Net and AllTerra New Zealand’s iBase networks. The acquisitions significantly increase the global footprint of Trimble-owned Virtual Reference Station (VRS) networks by adding key geographies in North America and New Zealand. Subscription-based…