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Thinking Aloud • March/April 2017

Is That All There Is to GPS?

Looking over the initial budget of the Trump administration, we can safely say that the president and his timorous collaborators on Capitol Hill have a maximalist concept of providing for “the common defense” and a minimalist one for promoting “the general welfare,” two of the six missions enshrined in the preamble of the U.S. Constitution.

GNSS Solutions • March/April 2017

Would you prefer to have more signals or more satellites?

Q: Would you prefer to have more signals or more satellites?

A: This is somewhat of a classic GNSS question, but before getting to the answer, let’s seek some clarity about what is being asked. First, by definition, “more” signals or “more” systems must be referenced against some baseline configuration. This is commonly assumed to be a GPS L1 C/A solution, and this assumption is also used herein.

Inside GNSS • March/April 2017

Ligado Test Results Roll In

The GPS community and Virginia-based Ligado are weighing new and upcoming test results as the standoff over interference with satellite navigation services enters its seventh year.

The dispute centers on the company’s now modified proposal to build a terrestrial wireless network supported by frequencies originally allocated for satellites. Though there had been a move some years earlier to augment the satellite services with ground stations the company’s first plan envisioned some 30,000 high-powered ground terminals.

Inside GNSS • March/April 2017

Traceable Time from GNSS Signals

Working Papers • March/April 2017

Codeless Code Tracking

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe's Galileo Operations and Evolution.

Inside GNSS • March/April 2017

GNSS for ERTMS Train Localization

Ventures • March 31, 2017

Swift Navigation, Carnegie Robotics Partnership to Yield High-Precision GNSS, Inertial Technology Products

A partnership between Swift Navigation and Carnegie Robotics announced this week is expected to yield a line of navigation products for autonomous vehicles, outdoor robotics and machine control.

San Francisco-based Swift Navigation is a startup building centimeter-accurate GPS technology designed to power a world of autonomous vehicles, while Carnegie Robotics, located in Pittsburgh, Pennsylvania, provides advanced robotics sensors and platforms for defense, agriculture, mining, infrastructure and energy applications.

New Builds • March 31, 2017

Tallysman Releases Dual Band Plus L-Band GNSS TW3892 Antenna

Tallysman, a manufacturer of GNSS antennas and related products that designs and manufactures its products in Ottawa, Canada, announced the introduction of a through-hole mount dual band plus L-Band GNSS antenna: TW3892.

The introduction of this antenna is a continuation of Tallysman’s expansion into broader band GNSS antennas. It employs the company’s Accutenna technology.

Ventures • March 30, 2017

Orolia’s Satellite-Based Alternative PNT Solution Demonstrates a Resilient Timing Solution

Rochester, New York-based Orolia recently announced (March 22) that in several indoor environments in the field, it has successfully synchronized a Spectracom SecureSync high precision time server with the new Iridium Satelles Satellite Time & Location (STL) time synchronization signal powered by Iridium satellites.

March 30, 2017

GPS Budget Outlook Appears Solid

With two federal budgets in play simultaneously, defense spending increases being proposed from multiple directions and a looming government shutdown it's easy to lose track of where things stand with GPS funding.

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