GPS Site Control - How To Do It Right

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Localization, site calibration, GPS control, benchmarks, whatever you call it, is a very important concept to understand for any project using the latest grade control technology.
This video will explain what we call the four principles of site control. By applying the four principles to every 3D grading project you eliminate the mistakes many new-to-gps contractors make.
To really dig into the details, go to our companion blog post - www.quantumlanddesign.com/sin...
To learn more about how to get the most out of your machine control system the education section of our blog is a great place to start - www.quantumlanddesign.com/blo...

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Опубликовано:

2 авг 2024

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Комментарии : 14

@andrewmesulamtalai1494 27 дней назад

POWERFUL

@timd9430 Год назад

12:29 Barstool analogy perfect!!

@QuantumLandDesign Год назад

Figured the audience would relate!

@chuckmm5611 Год назад

This was very helpful understanding the importance of site control best practices. Looking forward to future videos, keep up the good work!

@QuantumLandDesign Год назад

Thanks Chuck MM. Good luck on your projects.

@munashedzvimbo2741 3 месяца назад

Well articulated thanks a lot for the wonderful insights

@QuantumLandDesign 3 месяца назад

Thank you, glad it was helpful.

@matthewgallagher1369 5 месяцев назад

Good

@user-gw4nu9yt6r 6 месяцев назад

Really helpful information,

@QuantumLandDesign 6 месяцев назад

Glad it was helpful and thanks for letting us know.

@petertips2686 10 месяцев назад

Hi Great video, one question through. If you use all 5 control points, what do you do regarding the level? as we all know that GNSS level has more tolerance than in the x,y plane. Especially when you then traverse around with an EDM. What do you do? Thanks.

@QuantumLandDesign 10 месяцев назад

Hi @petertips2686 - I am not sure I understand your question. If you use x,y,z for all five (or more) control points you should be good to go. To tie verticals down as tight as possible you can request the surveyor run a level loop to tighten them up. At the least, we like to see them use a robot to set your control. The length of time you spend shooting in each point matters, too. Recommendations vary by manufacturer, but always spend at least 30 seconds on each CP. We usually occupy the point for two minutes to better average out the error. If you have a "bad" control point your GPS system should show you excessive error on that point (but you will need at least 4 shot in before it will display vertical error). Keep in mind that some variance and tolerance stack up is inherent in GPS.