TAG: Department of Transportation

NDGPS Destined for the Technological Boneyard

August 26, 2015By
"MARC AEM7s at BWI" by Ryan Stavely - Georgia_Trip_001. Licensed under CC BY-SA 2.0 via Commons.

Let us not exaggerate — nor prematurely announce — the death of a subsystem. However, the demise of the U.S. Nationwide Differential GPS (NDGPS) network can be confidently foretold. Although a Federal Register notice dated Aug. 18 merely seeks public comment on plans to shut down a large portion of NDGPS, the handwriting is on the wall. Once having writ,... read more

Nationwide Differential GPS Shutdown Proposed, Comments Sought

August 18, 2015By
oceantides

An Aug. 18 Federal Register notice proposes shutting down the Nationwide Differential Global Positioning System (NDGPS) in January 2016 because of a decline in its use, except for sites in coastal areas. The notice, issued by the U.S. Coast Guard (USCG), Transportation Department (DOT) and Corps of Engineers (USACE), reads: The Nationwide Differential Global Positioning System (NDGPS) service augments GPS... read more

DoT Hosts Third Workshop on GPS Adjacent Band Compatibility

February 13, 2015By

The U.S. Department of Transportation will host a third workshop to continue discussions of the GPS Adjacent Band Compatibility Assessment on March 12. The workshop will focus on the following topics: Identification of GPS and GNSS receivers to be considered for testing that are representative of the current categories of user applications Discussion of a GPS/GNSS receiver test plan. Anyone... read more

The System: One Step Back, Three Steps Forward

September 1, 2014By
Galileo-MASTER-2014-W

Galileo IOV Bird Mute; New Draft ICD; CS Proved; Late August Launch Orbiting in silence since an onboard power mishap on May 27, troubled E20 emitted cheeps from space on August 6, 7,  and 8, broadcasting on the L1 frequency. Nothing has been heard since.  Meanwhile, the European Commission (EC) published a new draft version of the Galileo Open Service... read more

This article is tagged with , , , and posted in GNSS

Transportation Department to Hold GPS Adjacent Band Compatibility Workshop

August 15, 2014By

The U.S. Department of Transportation is holding a “GPS Adjacent Band Compatibility Assessment Workshop” on September 18, 10 a.m.–5 p.m. Eastern Daylight Time. Registration for the workshop is required, and closes September 4. The general public can either attend in person or via WebEx. The workshop is being held to discuss implementation of a GPS Adjacent Band Compatibility Assessment. Discussion... read more

U.S. DoT to Move Ahead with Vehicle-to-Vehicle Communication Technology

February 3, 2014By
Connected vehicles can help to mitigate crashes on busy urban streets.

The U.S. Department of Transportation’s (DOT) National Highway Traffic Safety Administration (NHTSA) announced today that it will begin taking steps to enable vehicle-to-vehicle (V2V) communication technology for light vehicles. This technology would improve safety by allowing vehicles to “talk” to each other and ultimately avoid many crashes altogether by exchanging basic safety data, such as speed and position, ten times... read more

Out in Front: Complements of the Season

February 1, 2014By
Alan Cameron

In the wake of last month’s Expert Advice column on eLoran — “The Low Cost of Protecting America” by Dana Goward of the Resilient Navigation and Timing Foundation —  come several positive comments and encouraging developments. Rather than rehearse all the arguments why we should care about this, I’ll repeat the one word that I heard most often in GNSS... read more

DoT Disses DoD’s GPS Chops

January 9, 2014By

The departing Deputy Secretary of Transportation, John Porcari, wrote a letter in the closing days of 2013 opposing the U.S. Air Force’s announced plans to begin broadcasting Civil Navigation (CNAV) message-populated L2C and L5 signals as early as April 2014. Military personnel are incensed over what they see as Porcari’s impugning, when not ignoring, the Air Force 35-year track record... read more