Survey and Mapping

Jade Morton: The Long and Scintillating Road
July 17, 2016

Jade Morton: The Long and Scintillating Road

Jade Morton, in the front row at the right, with her sisters and grandmother

>>Jade Morton’s Compass Points

Yu — or Jade, in English — Morton is an electrical engineer, a professor at Colorado State University (bound for the University of Colorado Boulder in 2017), and a shining star in the world of GNSS. She left work for eight years to be a full-time mother, then returned to a university professorship and high-level research, where she has been recognized for her work on ionospheric effects on global navigation satellite systems.

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By Inside GNSS
First Results
July 5, 2016

First Results

In February 2011, Russia launched the first satellite of the GLONASS-K1 series, i.e., SVN (space vehicle number) 801 (R26), which in addition to the legacy frequency division multiple access (FDMA) signals, for the first time was enabled to transmit code division multiple access (CDMA) signals on the GLONASS L3 frequency (1202.025 MHz). Later in 2014, the GLONASS program added SVNs 802 (R17) of series K1 and 755 (R21) of series M, and in 2016, SVN 751 of series M, with the capability of transmitting CDMA L3 signals to the constellation.

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By Inside GNSS
Federal Agencies Plan Shutdown of 37 Differential GPS Stations

Federal Agencies Plan Shutdown of 37 Differential GPS Stations

Graphic Depicting NDGPS Coverage After Site Reductions

The U.S. Coast Guard, the U.S. Army Corps of Engineers (USACE), and the Department of Transportation (DoT) released a Federal Register notice today (July 5, 2016) announcing a reduction of the Nationwide Differential Global Positioning System (NDGPS).

The planned reduction calls for the shutdown and decommissioning of 37 DGPS sites, leaving 46 operational sites available to users in coastal areas. Termination of the NDGPS broadcasts is scheduled to occur on August 5, 2016.

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By Inside GNSS
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Trimble Dimensions 2016
June 15, 2016

Trimble Dimensions 2016

The 2016 Trimble Dimensions user conference and exhibition will take place at the Venetian Hotel in Las Vegas on November 7, 8 and 9.

The annual event gathers users of Trimble’s products including positioning technology for unmanned systems as well as mapping, GIS, surveying, photgrammetry and remote sensing and other technologies of interest to readers of Inside GNSS.

Four hundred and fifty technical sessions and networking events give attendees an opportunity to network widely within and among industry groups.

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By Inside GNSS
NovAtel Raises Concerns about Ligado Test Methodology, Results
May 21, 2016

NovAtel Raises Concerns about Ligado Test Methodology, Results

NovAtel Inc. has submitted comments to the Federal Communications Commission (FCC) regarding Ligado Networks LLC’s (formerly New LightSquared LLC) License Modification Applications in which the company raises deep concerns about the testing methodology used and conclusions presented by Ligado regarding the impact of their proposed usage of L-band frequencies for a terrestrial wireless network.

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By Inside GNSS
Listening for RF Noise
May 19, 2016

Listening for RF Noise

GNSS signals are vulnerable to interference due to being extremely weak when received on Earth’s surface. Therefore, even a low-power interference signal can easily disrupt the operation of commercial GNSS receivers within a range of several kilometers.

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By Inside GNSS
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Harxon Introduces Datalink Radio for GNSS Positioning
April 26, 2016

Harxon Introduces Datalink Radio for GNSS Positioning

HX-DU1603D datalink radio

Harxon Corporation has launched the HX-DU1603D, a high-speed, Bluetooth-enabled, wireless data link designed for GNSS/RTK surveying and precise positioning.
 
The HX-DU1603D is a lightweight, ruggedized UHF receiver designed for digital radio communications between 410 and 470 MHz in the radio frequency spectrum using either 12.5- or 25-kilohertz channels.
 

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By Inside GNSS
Mapping from UAVs
March 23, 2016

Mapping from UAVs

This webinar was presented on Thursday, April 7, 2016, as Inside GNSS continued its series of web seminars focusing on the rapidly expanding field unmanned aerial vehicles (UAVs) in a webinar sponsored by Applanix Corporation.

The recent adoption of UAVs for airborne mapping applications promises to greatly reduce the cost and complexity of collecting geospatial data and images for a broad range of applications.

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By Inside GNSS
Sandy Kennedy: Here to Stay
March 18, 2016

Sandy Kennedy: Here to Stay

Sandy Kennedy and her husband Arlin Amundrud

>>Sandy Kennedy’s Compass Points

Sandy Kennedy grew up in Miami. Miami, Manitoba, Canada, that is — a town of 150 people with a school, a café, a defunct railroad station, and an ice skating rink.

Now she’s director and chief engineer in charge of receiver core cards at NovAtel Inc., a developer and manufacturer of high-precision GNSS products headquartered in Calgary, Alberta. It’s a long way from where she started, but then again, maybe not.

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By Inside GNSS
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