Survey Scene

Test Results from Real-Time CORS Streaming, Space Weather and NDGPS

May 16, 2013By
KK2060Hole

Being a person who enjoys spending time in the field using RTK and DGPS, I followed up on my column last month, “Sources of Public, Real-time, High-Precision Corrections,” with a trip to the field to test the NGS CORS Streaming service. About a month ago, I made a trip to Colorado to attend the Space Weather Workshop in Boulder, stop... read more

Sources of Public, Real-Time, High-Precision Corrections

April 5, 2013By
IGS_RT_MAP

I probably reminisce a bit too much at times, but I can’t help but think back to the ’90s, when obtaining three-meter accuracy via post-processing took a bit of planning. You either had to operate your own GPS base station, or you had to find a publicly available one before you went to the field to make sure you had... read more

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RTK GNSS Receivers: A Flooded Market?

March 21, 2013By

Wow, if one counts the number of new RTK GNSS receivers introduced in the past ~six months, it’s impressive. If you’re in the market for such a GNSS receiver, this is good news for you. More competition in the product and distribution side of the equation usually means better products and better service for the consumer. While Trimble, Leica and... read more

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Why the Price of Precision Receivers Will Drop

February 5, 2013By
Intergeo2012_eric2

For quite some time, I’ve been writing in GPS World magazine and speaking at conferences about the declining prices of high-precision GNSS receivers and how the cost of high-precision data (especially vertical) is going to decline substantially. For my colleagues in Asia, Africa, Europe, and South America, you’ve already seen this. Dual-frequency, multi-constellation GNSS receiver prices in those areas are... read more

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From LightSquared to Narrowbanding: What’s Coming in 2013

January 22, 2013By

After a four-month sabbatical and the GPS World servers back in order, I’m back writing on a regular basis. I’ve been super busy on different GPS/GNSS-related products, conferences and various GPS/GNSS applications. Let’s take a look at some of the technologies and events that were significant in 2012 and some that will be significant in 2013 for high-precision GNSS users.... read more

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Thoughts on GPS/GNSS from the CGSIC Meeting Held Earlier this Week

August 17, 2012By

I attended the CGSIC (Civil GPS Service Interface Committee) State and Local Government subcommittee meeting in Seattle earlier this week Following are some interesting observations you might be interested in. read more

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Esri’s Survey Summit Showcases UAVs, 3D, the Cloud

July 30, 2012By

The Esri Survey Summit reeled in only ~250 people this year along with a roomful of exhibitors. That's not to say the content wasn't good. On the contrary, the content was very good, as it usually is, with new developments in unmanned aerial vehicles for mapping, 3D rendering technology, and cloud-based apps. read more

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Expert Advice: Mobile Computing on the Rise

July 1, 2012By

This discussion of current trends in location-enabled mobile devices takes as its foundation the different operating systems (OSs) for those devices. Why? For GPS/GNSS hardware units to be useful, there have to be software applications — apps — also riding on those units. Apps are totally dependent on the operating system. An analogy is that the operating system is the foundation of a house and the app is the house itself. The type of foundation you have drives what type of house you can build. read more

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