Survey Scene

Consumer-Grade GPS Receivers for GIS Data Collection

June 3, 2009By

Three categories of GPS are used to populate GIS databases: consumer-grade receivers, GPS receivers designed specifically for GIS data collection, and survey receivers. This month, I discuss consumer-grade receivers. In a new issue in two weeks' time, I?ll cover the class of GPS receivers designed specifically for GIS data collection. read more

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Survey Perspectives: RTK Networks Webinar Q&A Follow-Up

May 6, 2009By

Many surveyors I know use RTK for setting boundaries. Some even use single-baseline RTK for this task, which is essentially just a radial survey (no redundancy). I?d say that almost all whom I know that are doing this have used their RTK systems enough to understand the limitations. In fact, I think most have run RTK and total stations side-by-side on jobs to gain confidence and understand RTK in the field. read more

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Survey Perspectives: RTK Networks: The Wild, Wild West

April 1, 2009By

What can you say about RTK Networks, except wow! They have popped up everywhere and continue on a path of rapid growth. In the last five years, I'd say it's clear that two GNSS technologies have changed the survey/construction industry more than any others; machine control and RTK networks. read more

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Survey Perspectives: About Alaska

March 2, 2009By

I wish I could share with you what I'm seeing right now. I'm on a scenic train in Alaska, traveling from Anchorage to Fairbanks. From someone who usually travels by air, scurrying through airport security at the last minute, this is the way to travel...truly relaxing. The special cars of the Alaska Railroad are built with large picture windows for soaking in the scenery. The train will stop for residents who flag it down and need a ride to the next town. The conductor will even stop the train for picture-taking if the view warrants, which it did when we saw a wolf trying to chase down three sheep on a rock slope along a river. read more

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Survey Perspectives: Follow up on the GPS/GNSS Buyer’s Guide Webinar

March 2, 2009By

Thanks to those who attended my webinar last month entitled A Buyer's Guide to GPS/GNSS Survey Equipment. I received many questions during the webinar and answered a few during the event. As with my webinar last October , I'll post the questions and my comments here. read more

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Survey Perspectives: What’s Your Occupation Time?

February 3, 2009By

A reader wrote me about occupation times for RTK work, and it's spurred a conversation I think will be interesting to you and perhaps a little controversial. It seems that most GPS/GNSS users have developed their own opinion based on their own experience. read more

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Survey Perspectives: The Beginning of the Battle

January 6, 2009By

This year will be the beginning of the battle between Trimble/Spectra and Topcon/Sokkia with Leica in the fray as well; the companies own 75 percent of the market between them. The other players in this market are going to have be creative in 2009 to remain competitive in the market. read more

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Survey & Construction Newsletter, Late December 2008

December 18, 2008By

Being December, it?s time for my look into next year. It?s become somewhat of a tradition for me and this year is no different. What does 2009 have in store for the GNSS user? read more

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