By Christopher J. Hegarty Based upon lessons learned from the LightSquared situation, the author identifies important considerations for GPS spectrum interference standards, recommended by...
Topcon Positioning Systems announces the light, ultra-compact dual-frequency positioning engine, the B110 GNSS receiver board. The B110 is the first GNSS board with Topcon’s new Vanguard...
The Delta 4 rocket that will launch the next GPS satellite has been rolled out to the launch pad, reports Spaceflight Now. The satellite itself, GPS IIF-9, will be attached to the rocket in...
Racelogic LabSat 3 LabSat, the GPS record, replay, and simulation brand produced by Racelogic in the UK, is about to be augmented with the introduction of LabSat3. The key feature of the new product...
An experimental GPS receiver, built by Surrey Satellite Technology Limited (SSTL), has successfully achieved a GPS position fix at 23,300 kilometers altitude – the first position fix above the GPS...
Chip-scale atomic clock. How a Chip-Scale Atomic Clock Can Help Mitigate Broadband Interference Small low-power atomic clocks can enhance the performance of GPS receivers in a number of ways,...
By Christopher J. Hegarty Based upon lessons learned from the LightSquared situation, the author identifies important considerations for GPS spectrum interference standards, recommended by...
We appear incompletely before you this month. A funny thing happened on the way to the presses: we discovered that we had more content than pages in which to squeeze it. “All the news that fits to...
GNSS simulation expert Spirent Federal is inviting users to “a rigorous and thorough” one-and-a-half-day training conference, including a half-day of For Official Use Only (FOUO)...
Figure 1. Overall system architecture for MUSTER: Multi-platform signal and trajectory estimation receiver. More Receiver Nodes Bring Ubiquitous Navigation Closer Encouraging results from new indoor...
The long-awaited signal interface control document (ICD) for China’s growing GNSS will appear this month, according to representatives of the system who spoke in a “Compass: Progress, Status, and...
By Frank van Diggelen, Global Locate, Inc. This update to a frequently requested article first published here in 1998 explains how statistical methods can create many different position accuracy...
Trimble has introduced the Aardvark DR+GPS module that combines dead reckoning (DR) with GPS technology on a single, compact board. The Trimble Aardvark DR+GPS module provides positioning information...
An alternative tool for detecting underground nuclear explosions? By Dorota A. Grejner-Brzezinska, Jihye Park, Joseph Helmboldt, Ralph R. B. von Frese, Thomas Wilson, and Jade Morton Well-concealed...
ABI Research’s competitive analysis evaluates GNSS IC vendors across innovation and implementation parameters The GNSS market is slowly shifting in new directions, according to ABI...
The first two satellites for Europe’s Galileo global navigation satellite system were lofted into orbit October 21 by the first Russian Soyuz vehicle ever launched from Europe’s Spaceport in...
The United Nations is spotlighting the benefits of satellite navigation and its contribution to the betterment of humankind as part of the observance of World Space Week — an annual...
Tallysman’s compact GNSS TW1721 dual-feed embedded antenna with Accutenna technology. Tallysman, a provider of high-performance, high-quality RF and GNSS components, has announced that its range...
Taoglas is launching the AA.16X Dominator series of antennas, which have a wider bandwidth to cover the GLONASS operating frequencies up to 1610 MHz, a good axial ratio, and a double...
CAST Navigation of Tewksbury, Massachusetts introduced its SGX GPS Satellite Simulator. With its compact size — 7 × 11× 3 inches — and weighing in at just over 4 pounds, the SGX is CAST’s...
Since 2006Mobilephonejammers,mobilephonejammers,Signal Characteristics of Civil GPS Jammers By Ryan H. Mitch, Ryan C. Dougherty, Mark L. Psiaki, Steven P. Powell, Brady W. O’Hanlon, Jahshan A. Bhatti, and Todd E. Humphreys GPS jamming is a...
