TAG: Department of Transportation

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

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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

U.S. Defense, Transportation Say Keep Wireless Comm Away from L-Band

July 9, 2011By

The U.S. Departments of Defense and Transportation declared their strong opposition to the LightSquared proposal for a nationwide broadband service immediately adjacent to GPS signals. They asked the FCC to withhold authorization for the company to commence commercial service per its proposed deployment of a terrestrial service within the 1525-1559 MHz bands. read more

Road Talk: Interoperability Considerations for V2X GNSS Receivers

March 1, 2011By
streetScene-W

The presence of different types of devices, spanning multiple GNSS receiver types, configurations, hardware, software, and consequent widely varying capabilites, among a user mix of vehicles, cyclists, and pedestrians, poses several engineering challenges for a V2X scheme in which all road users share data with each other and with the road infrastructure. read more