TAG: GNSS

IS-GNSS 2015 Extends Scholarship Paper Deadline

June 30, 2015By

Organizers of the International Symposium on GNSS (IS-GNSS 2015) have extended the deadline for submission of the abstracts for scholarship applied papers for one week. The new deadline is July 7 23:59:59 JST (UTC+9). The one-week extension was added because organizers are presenting a paper in the Korean Institute on July 1. The deadline for submitting abstracts for regular papers remains August 15. The IS-GNSS 2015 will be... read more

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$100 for 300 Well-Chosen Surveyor Words

June 2, 2015By

If you are a professional land surveyor, we’d like to hear from you! Send us a brief account of how you use GNSS in your surveying work, what tips and tricks you can share with other surveyors, and what other hardware and software you are combining with GNSS to get the job done. Submit around 300 words, although you can... read more

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Expert Advice: A Leap Second — One More Time!

April 30, 2015By
From left: Dennis McCarthy, Wayne Hanson, Ronald Beard and William Klepczynski

Once again we are going to adjust the world’s clocks by one second. This time it will happen on June 30, when we insert another leap second in Coordinated Universal Time (UTC), the standard international time scale. In theory, all UTC clocks should insert a second labeled 23h 59m 60s (the leap second) following one labeled 23h 59m 59s UTC. This is equivalent to having all of the clocks in the world stop for one second at that time. Are you ready for it? read more

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ION GNSS+ 2014: Rohde & Schwarz

September 29, 2014By

Darren McCarthy, Rohde & Schwarz, gives GPS World a booth tour of its GNSS solutions, avionics gear and interference hunting solutions while at the 2014 ION GNSS+ Conference, held September 9-12 in Tampa, Florida. read more

GPS/GLONASS Dispute: CEO Clarifies Misunderstandings

May 23, 2014By
Javad Ashjaee

“Use any opportunity to create friendship and peace,” urged Javad Ashjaee, president and CEO of JAVAD GNSS, in a May 23 conversation with journalists. He decried the recent controversy about monitoring stations on both U.S. and Russian soil, saying it was based in misinformation and misinterpretations, inflated by a political crisis in a completely different area. “This [GNSS] is a... read more

ESA International Summer School Set for July

April 29, 2014By

The ESA Summer School is scheduled for July 21-31, at the Campus of the Technical University of Ostrava, Czech Republic. The school provides attendees with a comprehensive overview of satellite navigation, starting from the various GNSS, the signals, the processing of the observations in a receiver, and finally determining the position-navigation-time (PNT) solution. Lab work will be carried out to... read more

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Locata Warns: Lessons to Be Learned from GLONASS Spasm

April 15, 2014By
Locata-O

Calling it an “unprecedented and deeply worrying total disruption . . . [that] shook the industry,” Locata Corporation reiterated its call for redundant terrestrial systems to back up GNSS in the wake of the April 1 11-hour GLONASS system outage. Nunzio Gambale, Locata CEO, said “We have been telling the industry for years that you cannot have a critically important... read more

How to Survive a Total Constellation Outage

April 3, 2014By
Broadcom-O3

Yesterday we posted news of an 11-hour downtime for the full GLONASS constellation, due to an upload of bad ephemerides. Coincidentally, during that 11-hour period, the mass-market chip company Broadcom was conducting multi-constellation receiver tests in Asia. Frank van Diggelen, Broadcom’s chief GNSS scientist and vice president says, “We have definitive data to show how a multi-constellation receiver survives such... read more