Featured Stories

New FAA rules for small unmanned aircraft now in effect

August 29, 2016By

The first operational rules for routine commercial use of small unmanned aircraft systems, announced June 21, officially take effect today. “People are captivated by the limitless possibilities unmanned aircraft offer, and they are already creating business opportunities in this exciting new field,” said U.S. Transportation Secretary Anthony Foxx. “These new rules are our latest step toward transforming aviation and society with this... read more

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Low-cost precise positioning for automated vehicles


Carrier-phase differential GNSS produces mass-market centimeter accuracy A dense reference network facilitates low-cost carrier-phase differential GNSS positioning with rapid integer-ambiguity resolution. This could enable precise lane-keeping for automated vehicles in all weather conditions. Strong demand for low-cost precise positioning exists in the mass market. Carrier-phase differential GNSS (CDGNSS) positioning, accurate to within a few centimeters even on a moving platform,... read more

Sensonor supplies IMUs for NASA’s Raven and asteroid Scout

August 26, 2016By

Sensonor AS is partnering with NASA to supply current and future low- and near-Earth orbit space missions with inertial and gyroscope modules. The Norway-based company first began supplying its standard inertial measurement unit (IMU) and gyroscope modules for low Earth orbit (LEO) space applications in 2012, beginning with the launch of the NASA-sponsored AeroCube-4 satellite. Sensonor’s STIM300 and STIM210 inertial products are now... read more

Harxon antenna aimed at marine positioning

August 26, 2016By
The HX-CS7615A Harxon marine antenna.

Harxon has released a utility beacon antenna — HX-CS7615A — to professionally solve marine satellite positioning challenges. The HX-CS7615A supports GPS L1/L2, GLONASS L1/L2 BDS B1/B2/B3 and beacon frequencies (282.6 to 326 KHz), which greatly overcomes the defects of long-distance transmission limits, the company said. In addition, combining wide frequencies in one antenna makes the new device more cost effective. Inside, a... read more

Need for Positive Train Control outlined in rail status update

August 25, 2016By

A status update released this month by the Federal Railroad Administration (FRA) underscores the need for railroads to implement Positive Train Control (PTC) as quickly and safely as possible. The update also highlights the Administration’s repeated calls for Congress to provide more significant funding to assist commuter railroads in implementing PTC. “Positive Train Control should be installed as quickly as... read more

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Salvaged Galileo satellites to broadcast test signals

August 15, 2016By

News from the European Space Agency Europe’s fifth and sixth Galileo satellites, which were salvaged from their faulty launch into working orbits, are set to begin broadcasting working navigation signals for test purposes. This activation will allow satnav receiver manufacturers, service providers and scientific researchers to make use of these test signals. A decision on whether these satellites will become... read more

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Harxon releases mini base radio suitable for local data network

August 11, 2016By

Harxon has released a mini base radio — HX-DU8609T — designed for customers who want to quickly set up a local data-transfer network. HX-DU8609T is a versatile data radio providing a flexible solution for applications that require reliable data transfer, low cost, small size and rugged construction. It has a wide (60-Mhz) bandwidth that covers 410-470 MHz combined with an IP67 sealed... read more

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US Air Force releases GPS III-3 launch services RFP

August 4, 2016By

The Air Force has released a Request for Proposal (RFP) for launch services for the GPS III-3 mission, scheduled to launch in 2019. Proposals are due Sept. 19; the contract will be a standalone contract for a single GPS III launch. The United Launch Alliance (ULA) and SpaceX are expected to compete for the contract. In April, SpaceX was chosen to launch the... read more