Survey Scene

To Post-Process or Not to Post-Process, that Is the Question

January 5, 2011By

If you’ve been around GPS mapping for any length of time, I’m sure you’ve heard of post-processing, and you may have even experienced it yourself. If you used GPS for mapping in the '90s, you almost certainly post-processed your data. In fact, sometimes you had to pay for access to GPS base-station data for post-processing. That’s hard to imagine given the widespread, worldwide availability of GPS base-station data on the web today. read more

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Top Five Events in GPS/GNSS for 2010: A Year-End Review

December 16, 2010By

With this being my last column in 2010, I'm going to look back at the five significant GPS/GNSS events in 2010 that affected the surveying, mapping, engineering, construction and natural resource users. Each of these had, or could've had a significant affect on your GPS activities. read more

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What Do Your Colleagues Think? Part 2

November 28, 2010By

In my last column, I presented the poll results from my November 16 webinar "A Buyer's Guide to GPS/GIS Mapping Equipment." I've conducted many webinars over the years, and the audiences have been comprised of hundreds (if not thousands) of participants who have the ability to ask questions and also participate on various polls I conduct during the webinars. This column continues the look back at previous polls conducted during my various webinars. read more

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What Do Your Colleagues Think?

November 23, 2010By

Over the past several years, I've conducted many webinars on different GPS/GNSS and other geospatial technologies. The audiences have been comprised of hundreds (if not thousands) of participants who have the ability to ask questions and also participate on various polls I conduct during the webinars.The poll results are a powerful tool that illustrates what your colleagues think about GPS/GNSS, their field practices and general attitude about geospatial technology. read more

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SBAS (WAAS) and NDGPS Accuracy and Statistics

October 21, 2010By

There's something I've been wanting to write about since the ION-GNSS conference a few weeks ago. However, a nasty cold, a 10-day trip to Europe (INTERGEO conference), and some jet lag have kept me from it until now. read more

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Tradeshow’s the Appeal at INTERGEO 2010 Conference in Cologne

October 6, 2010By

This week, I’ve been attending the INTERGEO 2010 conference in Cologne, Germany. It’s a gathering of ~16,500 people interested in geodesy, geoinformation, and land management. It’s the largest event of its kind in the world. read more

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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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