Defense

Northrop Grumman Demonstrates Micro-Gyro Prototype for DARPA Program

October 23, 2013By
Northrop-Grumman-Micro-Gyro-O

Northrop Grumman Corporation has developed and demonstrated a new micro-Nuclear Magnetic Resonance Gyro (micro-NMRG) prototype for the Defense Advanced Research Projects Agency (DARPA), providing precision navigation for size- and power-constrained applications. The development of a hermetically sealed micro-NMRG that meets precision navigation requirements along with a successful prototype demonstration marks the fourth and final phase of DARPA’s Navigation-Grade Integrated Micro... read more

GPS IIF-5 Launch Delayed

October 22, 2013By

The scheduled October 23 launch of GPS IIF-5, the fifth in the current “follow-on” generation of GPS satellites, has been postponed in order to complete a review of an adjustment made to the rocket’s upper stage engine. A fuel leak in that engine of the Delta 4 rocket during a GPS launch in October of last year created some worries... read more

ORBCOMM, Savi Announce Strategic LBS Partnership

October 10, 2013By

ORBCOMM Inc., and Savi Technology have announced a strategic relationship to provide advanced location-based monitoring solutions to government and commercial markets. ORBCOMM is a global provider of machine-to-machine (M2M) solutions, and Savi Technology is a provider of sensor-based analytics and radio-frequency identification (RFID) solutions. ORBCOMM and Savi have submitted a proposal in response to the U.S. Army RFID IV project,... read more

Decisions, Decisions: GeoGathering and ION GNSS

October 9, 2013By
Don Jewell visits the Exelis table at the GPS World Leadership Dinner.

Many may consider it a distinction without a difference, but quality matters, whether it concerns a life-changing decision or something as simple as which conference to attend. When resources are scarce, making the right decision, or sometimes just making any decision, matters — for many in our government this paradigm should reign supreme. Over the past 24 months, it seems... read more

This article is tagged with , and posted in Defense PNT Newsletter, Newsletter Editorials

Letters to the Editor

October 1, 2013By
Constellation snapshot for a specific date/time: GPS week 1749 (725) and GPS seconds 86400 = July 15, 2013, at midnight GPS Time.

Orbital Planes, Nightmares, Pioneers Good morning, Dr. Langley, I have a seven-year-old drawing of GPS satellites in their orbital planes that I found (can’t recall where) some years ago, either on a website or from a colleague who attended some GPS forum. Would you know of a site where I can find current information on GPS satellite locations, which ones... read more

This article is tagged with , , and posted in Defense PNT Newsletter, From the Editor, Survey Scene

Ground Control Readied for GPS III

September 30, 2013By

Raytheon Company reached several milestones recently in its development of the GPS Next -Generation Operational Control System (GPS OCX).  Lockheed Martin’s GPS III Non-flight Satellite Testbed (GNST) — a full-sized, functional satellite prototype currently residing at Cape Canaveral Air Force Station — successfully established remote connectivity and communicated with OCX during pre-flight tests. GNST proved that it could connect with... read more

This article is tagged with and posted in Defense News, GNSS News, GPS Modernization, The System

Exelis Signal Sentry Test Locates GPS Jamming Threats

September 18, 2013By
SignalSentry1000

Signal Sentry 1000, an Exelis product that detects and locates GPS interference sources in 3-D by using longitude, latitude and altitude has demonstrated successful results during a planned field testing event held last week at the Vidsel Test Range in Sweden. Taking advantage of the range’s remote location, Exelis was able to conduct tests of its Signal Sentry 1000 product... read more