GPS

Obama Lifts Up GPS in Speech to U.S. Scientists
April 28, 2009

Obama Lifts Up GPS in Speech to U.S. Scientists

In his April 27 speech to the National Academy of Sciences (NAS) annual meeting, President Barack Obama twice singled out the Global Positioning System as an example of the need for renewing the U.S. commitment to basic scientific research and education.

“The calculations of today’s GPS satellites are based on the equations that Einstein put to paper more than a century ago,” Obama said, having noted that “no one can predict what new applications will be born of basic research. . . .”

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By Inside GNSS
Companies Announce GPS/Wi-Fi Collaboration
April 27, 2009

Companies Announce GPS/Wi-Fi Collaboration

Ekahau Inc. has announced that its Wi-Fi location tracking software is being integrated into GPS receivers designed by NavSync Ltd. to enable customers to continuously track asset in indoor and outdoor environments.

Wi-Fi–enabled GPS tag combines NavSync’s NavTrac GPS module with Ekahau’s location protocol. The NavTrac module incorporates the CW85 16-channel GPS receiver/802.11b/g transmitter combination.

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By Inside GNSS
Loctronix Gains Patent for Its Spectral Compression Positioning, Tracks CDMA, GNSS
April 26, 2009

Loctronix Gains Patent for Its Spectral Compression Positioning, Tracks CDMA, GNSS

Loctronix SCP technology

[Updated 4/26/09] On March 31, the U.S. Patent Office granted Loctronix Corporation its first patent, which will provide the foundation for its Spectral Compression Positioning (SCP) technology that enables multi-source positioning capability in a single sensor. Subsequently, the company announced that it had successfully achieved meter-level ranging performance using CDMA cellular signals.

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By Inside GNSS
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Septentrio Receivers Track L5, Other SVN49 Signals
April 20, 2009

Septentrio Receivers Track L5, Other SVN49 Signals

SVN49 L1 C/A (red) and L5 Signals. Septentrio image.

Septentrio reports success in tracking five signals being transmitted from the modernized GPS Block IIR satellite with the L5 demonstration payload launched on March 24.

Now designated space vehicle number 49 (SVN49), the satellite began broadcasting in the L1 and L2 band on March 28, shortly after the spacecraft reached its quasi-circular middle earth sorbit.

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By Inside GNSS
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Air Force Secures ITU Filing with GPS L5 Signal Transmission
April 10, 2009

Air Force Secures ITU Filing with GPS L5 Signal Transmission

Time Series and Power Spectrum of the L5 Demonstration Signal

The GPS IIR-20(M) satellite successfully transmitted for the first time a GPS signal in the L5 frequency band today (April 10), according to the U.S. Air Force operators of the Global Positioning System. L5, the third civil GPS signal, will eventually support safety-of-life applications for aviation and provide improved availability and accuracy to users.

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By Inside GNSS
GPS L5 Signal Goes on the Air April 10
April 9, 2009

GPS L5 Signal Goes on the Air April 10

Stanford “Big Dish” Antenna

U.S. Air Force officials are moving quickly to turn on the new civil GPS L5 signal after lengthy delays due to technical problems had brought the program close to an International Telecommunications Union (ITU) deadline for transmitting on the frequency.

The Air Force plans to begin transmitting the signal at 5 a.m. (PDT) on April 10 using the Block II R-20(M) satellite launched March 24. An L5 signal demonstration is planned the same day, organized by the GPS Wing and SRI International. The L5 spectrum will be received and plotted at the SRI’s 150-foot “big dish” antenna facility in the hills over looking Stanford University, California.

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By Inside GNSS
earthmine Launches 3D Mapping System Driven by GPS, Inertial

earthmine Launches 3D Mapping System Driven by GPS, Inertial

John Ristevski

Privacy rebellions such as recently drove a Google Street View crew from Broughton, England, or security-oriented legislation that would require blurred features or position accuracy in commercial imagery is just part of the market environment for 3-D mapping company earthmine, Inc., which is moving out of beta mode into full-fledged operations.

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By Inside GNSS
An Expanding CAST Navigation Moves to New Facilities

An Expanding CAST Navigation Moves to New Facilities

CAST Navigation LLC is relocating to expanded facilities as a result of increased demand for the company’s GPS simulators, GPS/INS navigation test equipment, and embedded GPS/inertial (EGI) integration tools.

Effective April 20, the new physical location for the CAST Navigation team will be: One Highwood Drive, Suite 100, Tewksbury, MA 01876. Phone contact is 978-858-0130. Faxes may be sent to 978-858-0170; website, <www.castnav.com>.

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By Inside GNSS
Geotagging: u-blox Buys Geotate
March 30, 2009

Geotagging: u-blox Buys Geotate

Typical implementation of geotagging in camera. Source: Geotate

In a €5.5-million cash deal, u-blox AG, of Thalwil, Switzerland, has acquired Geotate B.V. and its patented technology and products in the area of software GPS and geotagging GPS.

The acquisition will enable u-blox to expand its position in consumer markets with geotagging solutions for digital camera manufacturers and other portable device manufacturers.

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By Inside GNSS
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