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GPS World

Attitude and heading reference system – GPS-Related Hardware – Crossbow Technology AHRS400CC

Attitude and heading reference system – GPS-Related Hardware – Crossbow Technology AHRS400CC – Brief Article Crossbow’s AHRS400CC attitude and heading reference system for airborne applications such as unmanned vehicle control, avionics, and platform stabilization is a strap-down inertial system that uses Kalman-filter algorithms to determine stabilized roll, pitch, and heading angles in static and dynamic […]

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GPS World

Whither portable navigation?

Whither portable navigation? Mike Sheldrick Navigation is hands-down the top dog in location-based services. 2006 sales of portable nav systems in the United States finished somewhere north of 2.5 million, more than double 2005 sales. Betting that the past is prelude to the future, many analysts project a similarly rosy increase in 2007 for personal […]

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GPS World

Platoon, roll! Robots test sensor combos

Platoon, roll! Robots test sensor combos Scott Crawford Collaborative driving systems–linking several vehicles together using in-vehicle positioning and control systems–can increase road capacity, improve safety, and reduce driver fatigue and stress. This test used fixed-ambiguity carrier-phase GPS as the primary sensor, with a digital camera and laser scanner to improve ambiguity resolution and maintain a […]

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GPS World

Pipeline Monitoring System

Pipeline Monitoring System Filanda has released the SoftNav Pipeline Monitoring System. This guidance system includes a navigation and logger computer, a graphical course deviation indicator (CDI), an operator’s multifunction keypad, and the SoftNav Pipeline Monitoring software. The system is combined with the Navcom’s VueStar SF-2050M dualfrequency GPS receiver. Equipped with a single FAA certified triband […]

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GPS World

Mobile receiver

Mobile receiver Trimble has released its Lassen iQ GPS receiver module for mobile devices. The 12-channel receiver is fully compatible with the Lassen SQ module, and features standard and enhanced signal sensitivity modes. The company reports horizontal accuracy under 5 meters (50 percent), under 8 meters (90 percent), and cold start in less than 50 […]

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GPS World

LIDAR Mapping Association Sets Forum

LIDAR Mapping Association Sets Forum An industry association of companies involved with commercial LIDAR (Light Detection And Ranging) applications is forming and has scheduled an inaugural forum in Denver, Colorado, on February 7-8. LIDAR employs scanning airborne laser technology, typically with OPS-based guidance and positioning of the aircraft and on-board sensors. It is rapidly emerging […]

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GPS World

United States and Canada

United States and Canada – GPS Satellite Information Navigation Information Service (NIS) Sponsored by the U.S. Coast Guard Navigation Center, this site offers GPS constellation status, scheduled outage updates, user advisories, and almanac data as well as Differential GPS, Loran-C, and Coast Guard Local Notice to Mariners information. Voice recording for GPS constellation status: (703) […]

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GPS World

new assistance standards embrace Galileo, GLONASS, QZSS, SBAS

Bringing all GNSS in to line: new assistance standards embrace Galileo, GLONASS, QZSS, SBAS Lauri Wirola Cellular networks have an in-built capability to assist integrated GPS receivers in mobile handsets. The introduction of new GNSSs requires updating the outdated AGPS-only solution to add support for new GPS bands, new GNSSs, and to enhance accuracy, sensitivity, […]

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GPS World

Handheld GPS receiver accuracy: standard positioning service

Handheld GPS receiver accuracy: standard positioning service Christian Tiberius Officially, the Global Positioning System has two levels of service: the Precise Positioning Service (PPS) which is afforded to the United States military, allied military forces and some other U.S. government agencies, and the Standard Positioning Service (SPS), available to all users worldwide. Currently, the SPS […]

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GPS World

Boeing, Lockheed win new GPS III contracts

Boeing, Lockheed win new GPS III contracts The U.S. Air Force has awarded teams led by Lockheed Martin and the Boeing Company more than $20 million each for Phase A development contracts for the new-generation GPS III program. Under the 24-month contracts the two teams will conduct studies culminating in a Systems Requirements Review in […]