Illustrative beam patterns of a CRPA antenna in the presence of jamming (Figure: Michael Jones) Controlled Reception Pattern Antennas (CRPAs, pronounced “serpers”) are still the single most effective counter to the threat to GNSS from jamming and spoofing — a…
Topcon Positioning Systems has introduced the HiPer XRa GNSS receiver for surveying, mapping and construction applications. The new receiver is designed to benefit a wide variety of users, including construction professionals, surveyors, GIS professionals, archeologists, engineering firms and others who…
In the U.S., the Geographic Names Information System (GNIS) has officially updated “Gulf of Mexico” to “Gulf of America.” As we announced two weeks ago and consistent wi… Maps
The U.S. Navy has selected Northrop Grumman to advance its airborne navigation capabilities by integrating Northrop Grumman’s LN-251M, the upgrade of the LN-251 inertial navigation system (INS)/GPS. This new system incorporates M-Code technology, which provides an encrypted, military-specific signal with…
In response to the recent wildfires in Southern California, Topcon Positioning Systems is now offering free access to its GNSS correction services network for emergency recovery efforts. The company is offering a 90-day subscription to its Topnet Live service, which…
From Dec. 4-5, 2024, the National Space-Based Positioning, Navigation and Timing (PNT) Advisory Board met to discuss GPS-related topics. The PNT Advisory Board provides independent advice to the U.S. government on GPS-related policy, planning, program management and funding profiles in…
The 2025 Los Angeles Geospatial Summit will be held Feb. 28 at the USC Hotel in Los Angeles. <p>Each year, leading organizations in geospatial science — including Esri, Eclipse Mapping and GIS, NV5 Geospatial, HRL Laboratories — gather to explore innovative…
The Directorate of Defense Trade Controls (DDTC) has changed the regulatory status of Controlled Reception Pattern Antennas (CRPAs) for position, navigation and timing (PNT). Starting September 2025, CRPAs will no longer be subject to the International Traffic in Arms Regulations…
