TAG: GPS

U.S. Air Force puts more power into GPS Block IIR-M C/A-code

April 1, 2017By

By Peter Steigenberger, André Hauschild, Steffen Thoelert and Richard B. Langley Between Feb. 7, 05:02 UTC and Feb. 8, 12:30 UTC, 2017, all seven operational GPS Block IIR-M satellites were consecutively subject to short periods of unavailability. These official outage periods, when the satellite signals were set unhealthy and deemed unusable, were announced ahead of time through Notice Advisories to... read more

Foxcom offers GPS/GNSS repeaters for Iridium, indoors

March 30, 2017By

RF optical solutions maker Foxcom has introduced a range of products to serve the GPS/GNSS repeater market. Foxcom launched an Iridium repeater in September 2016 and is now offering advanced GPS/GNSS repeater solutions globally. The firm’s repeaters have been designed to cover a wide range of commercial and military applications, such as: aircraft hangars time distribution in data centers GPS distribution... read more

This article is tagged with , , , , and posted in Latest News, Product Showcase, Transportation

Top-level updates from Munich summit on four GNSS

March 22, 2017By

Here’s a panorama in broad strokes across the range of GNSSs, garnered from top system spokespersons at the Munich Satellite Navigation Summit. It’s been several years since breaking news was aired at this annual late winter/early spring event, but it’s always good for a wide-ranging update, recalibrating levels, so to speak. GPS. With 31 operational satellites (24 is baseline) and... read more

Topcon’s new concrete paving system uses ‘millimeter GPS technology’

March 9, 2017By

Topcon Positioning Group has launched a new system for automated concrete paving — the ZPS system — with the new Z-Robot and Z-Stack sensor. Using enhanced Topcon “millimeter GPS technology,” the ZPS system is designed to bring unmatched accuracy to concrete paving with a fraction of the hardware required for a traditional local positioning system. The new Z-Robot is an advanced... read more

This article is tagged with , , , , and posted in Latest News, Machine Control/Ag, Product Showcase

Homeland Security spells out receiver improvements

February 23, 2017By

In early January, a new U.S. Department of Homeland Security (DHS) document appeared: “Improving the Operation and Development of Global Positioning System (GPS) Equipment Used by Critical Infrastructure.” The document focuses on receivers used in critical infrastructure, with an emphasis on timing receivers. It provides owners, operators, researchers, designers and manufacturers with information to improve the security and resilience of... read more

Agricultural robot market impacted by urbanization, less land

February 12, 2017By

Robots are way cool. Anyone three or older knows that. And agricultural robots were among the first envisioned civilian applications of GPS. When Brad Parkinson went to Stanford in 1984, one of the earliest demonstrations he and his bright new students conducted was fully automatic GPS control of farm tractors on a rough field to an accuracy of 2 inches.... read more

Research: Algorithm based on BeiDou/GPS/IMU and anomalous driving detection

November 21, 2016By

By Rui Sun and Hongyang Bai, Nanjing University of Aeronautics and Astronautics, and Ke Han, Jun Hu and Washington Y. Ochieng, Imperial College London. Presented at ION GNSS+ 2016. An Integrated Algorithm Based on BeiDou/GPS/IMU and its Application for Anomalous Driving Detection This paper introduces an integrated algorithm for detecting lane-level anomalous driving. Lane-level high accuracy vehicle positioning is achieved... read more

This article is tagged with , , , and posted in From the Magazine, GNSS, Transportation

Air Force upgrades to better field reference system for testing GPS denial

Can’t Deny the Truth: Defeating the Jamming Threat Initial Operational Capability for the Ultra High-Accuracy Reference System has been declared by the U.S. Air Force. Even when GPS is being completely jammed, UHARS provides extremely accurate positioning, navigation and time — more accurate than GPS — over the large area of White Sands Missile Range in New Mexico. Amid a... read more

This article is tagged with , , , , , , , , and posted in From the Magazine, GNSS