Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
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Inside Unmanned Systems
Thought Leadership Series
Inside GNSS • November/December 2015

GNSS Hotspots

Annapolis, Maryland and Kings Point, New York USA

Thinking Aloud • November/December 2015

Failure to Communicate

For an organization with its name, the Federal Communications Commission (FCC) is a remarkably opaque public entity. 

Such is the case with the agency’s inaction on requests by foreign GNSS services to waive the so-called FCC Part 25 rules that require licensing of non-Federal receive-only Earth stations (e.g., GNSS receivers) operating with non-U.S. licensed space stations (i.e., satellites). 

Although at least one such request has reportedly been submitted, the FCC has not even acknowledged it, let alone moved to render a decision on the request. 

November 24, 2015
London, United Kingdom
Working Papers • November/December 2015

Code Shift Keying

The constant growth and evolution of the positioning, navigation, and timing (PNT) market generate demands for more and more added-value applications and services relying on GNSS signals, with expectations for improved accuracy and availability. Some services may also rely on added-value content other than navigation messages, for example, higher data volume with less latency, such as the data carried by satellite-based augmentation system (SBAS) services and the Galileo Commercial Service.

GNSS Solutions • November/December 2015

How Important Is It to Synchronize the Code and Phase Measurements of a GNSS Receiver?

Q: How Important Is It to Synchronize the Code and Phase Measurements of a GNSS Receiver?

A: Precise timing lies at the heart of GNSS implementation and operation and is generally well understood in terms of synchronizing individual satellites and/or receivers. Recent results, however, have demonstrated that timing of code and phase measurements in a receiver can have significant implications for the timing community in particular.

Human Engineering • November/December 2015

Stuart Riley: Right Turn from the Wrong Path

Stuart Riley's Compass Points

Stuart Riley was born and raised in Nottingham, England, where some of the crucial crossroads in his career appeared quite early.

One such inflection point came when he was just 10 or 11, and it involved a birthday present from his sister, Alison.

February 8, 2016 - February 12, 2016
Sydney, Australia
December 14, 2015 - December 18, 2015
San Francisco, California, U.S.A.
November 17, 2015

Positive Train Control Postponed

When the President signed a three-week extension — until Friday (November 20, 2015) — of federal transportation funding, he also gave railroads another three years to install positive train control or PTC on their locomotives and rail networks.

Rail operators now have until 2018 to upgrade their systems — plus another two years to actually get them working.

December 7, 2015 - December 9, 2015
Brunei Darussalam
Jammer Dectector
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