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Inside Unmanned Systems
Thought Leadership Series
Inside GNSS magazine • Volume 7 Number 4

July/August 2012

Online News, Articles, and Features

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Cover Story

Drones to the Rescue!

Unmanned Aerial Search Missions Based on Thermal Imaging and Reliable Navigation

The use of unmanned aerial systems (UAVs) for civilian search-and-rescue operations or disaster management is not new. This article explores the concept, development, and results of a project to develop an unmanned system on board an aircraft. The drone was equipped with a thermal/optical camera and a multi-sensor navigation system that uses EGNOS, the European augmentation system. And it succeeded at demonstrating its utility for a particular application: finding people lost in remote and rugged outdoor environments.

Brussels View

Brussels View: Remembrance of Things Past

Can China and Europe Get Over a Failed GNSS Partnership?

Can China and Europe Get Over a Failed GNSS Partnership?

Technical Article

INS Face Off


Improvements in microelectromechanical systems (MEMS) used for positioning and navigation have made them a candidate technology for precise positioning applications that were previously dominated by fiberoptic gyroscopes (FOGs). This article describes development of a MEMS-based integrated navigation system (GNSS/inertial) and a similar FOG-based system and compares their performance in field trials, both aided by GNSS and on their own.

Columns & Editorials
Thinking Aloud

Can Congress Rescue Itself?

Sequestration Consequences for GPS
Washington View

Congressional ‘Sequestration’ Gambit Looms Over GPS Budget

Working Papers

Peer-to-Peer Cooperative Positioning

Part II: Hybrid Devices with GNSS & Terrestrial Ranging Capability

This second part of a discussion of peer-to-peer cooperative positioning revisits the topic of sharing critical information across clusters of GNSS users. This article focuses on users within GNSS-challenged environments equipped with both a GNSS receiver and a terrestrial ranging system and shows that sharing information can enhance the availability of position solutions to the network as a whole.

GNSS Solutions

Single- versus Dual-Frequency Precise Point Positioning

What are the tradeoffs between using L1-only and L1+L2 for PPP?

GNSS Hotspots

GNSS Hotspots

GNSS Data Points and Factoids to Amuse and Inform

In this issue: Highway maps, Smithsonian loo, GPS DUI, GLONASS Shell Game, Chinese Market Share, and Lampreys!

Thought Leadership Series

Interference & Jamming

(Un)intended Consequences

Personal privacy devices. LightSquared. Solar max. It can be a hostile world out there for GNSS technology.

360 Degrees
Jammer Dectector
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