Opinions

Expert Advice: Location Changes Everything Mobile

September 1, 2010By

As today’s handsets and consumer devices become more sophisticated, manufacturers continue to incorporate more and more functionality into a small and sleek form factor. Today’s range of smartphones incorporate voice and data transceivers, GPS, Bluetooth, Wi-Fi, cameras, music, touchscreen interfaces, compasses, motion sensors, cameras, storage cards, and many other technologies. Free turn-by-turn navigation services, such as offered on Google Android phones and iPhones, have created a compelling reason for many of us to own a GPS-equipped smartphone. read more

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Out in Front: Beyond Cute

September 1, 2010By

Michibiki has more Twitter followers than you and me put together. All of you, and all of me with my 17 followers. Michibiki hit 16,284 when I signed on just now, and she (he?) has not yet even emerged upon the global stage. Perhaps by the time you read this, if the September 11 launch date holds true, s/he will be an orbiting, broadcasting entity. read more

This article is tagged with , and posted in Augmentation & Assistance, From the Editor, GNSS Opinions

August 31 Webinar Q&A Follow-up

September 1, 2010By

Earlier today (August 31), I conducted a webinar titled “Solar Activity, SBAS and 24+3 GPS Constellation Updates.” Considering we only announced the webinar three weeks ago, we had a fantastic registration numbers, with more than 570 registered. I also had a lot of questions before and during the webinar. As customary, I’d like to address some of those as well as present the poll results here. read more

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Solar Activity and Powerpoint Presentations

August 4, 2010By

You might have heard reports this week about a solar storm this week. This is part of the new solar cycle (Solar Cycle 24) that I’ve written about several times. I want to periodically touch on this subject as the solar activity is going to increase over the next few years, and if the solar activity (geomagnetic storms, not sunspots) is severe enough, it will have an effect on GPS accuracy and tracking. Here’s the scoop on this week’s solar activity. read more

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Out in Front: EGNOS Up

August 1, 2010By

We now definitively declare “curtain up!” on the second act of the human and technological drama, Interoperable Global Navigation Satellite Systems, by many authors, directors, and actors, upon the global stage. It happened on August 2 with removal of the message 0 (“Do Not Use in aviation”), by the European Satellite Services Provider, from the European Geostationary Navigation Overlay Service (EGNOS) signal. It enables EGNOS use for en-route and lateral guidance approaches. read more

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Expert Advice: Remembering. And Resolving

August 1, 2010By

Few outside the position, navigation, and timing (PNT) community will also recall that the day before the 9/11 attacks, the U.S. government released a landmark document that described the vulnerabilities of services provided by GPS to disruption, whether by attack or inadvertent interference. The Department of Transportation Volpe Center’s GPS vulnerability assessment recommended that services utilizing GPS-provided PNT seek alternative sources of these services. What decisions and actions have the findings and recommendations of this report promoted? The answer is most disturbing. read more

Col. Dave Madden Looks Back, and Forward into GPS Future

July 27, 2010By
Madden-opener

As he retires from the Air Force, Col. Dave Madden gives a status update on GPS modernization and outlines four steps the GPS Wing is taking to ensure worldwide PNT services are not interrupted during modernization, exploring a more robust means of ensuring compatibility, and becoming more involved in the development, integration, and testing of new military and possibly civil user equipment. He also announces the set-up of a GPS Directorate within the Department of Defense in October. read more

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Get It Surveyed: ESRI Surveying and Engineering GIS Summit

July 22, 2010By

I believe that if you attend the ESRI SEGS and UC conferences just one time, your vision of surveying, engineering, construction, and GIS will change forever. I know it sounds like an advertisement from ESRI, but I think my pitch is even better than theirs. Seriously though, there are so many people presenting so many different ideas, and they are all related to the kind of geographic data you work with on a regular basis. read more

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