How to Set Ground Control Points for Greatest Accuracy in Construction Mapping

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What is the correct workflow for laying out GCPs on a construction site? Can you lay GCPs on a construction site and use this information again and again? You can also check out our entire "Drone Mapping" playlist here - • Drone Mapping
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Timestamps
00:59 - Learn about our cool sponsor, Fortress UAV
03:23 - Today’s question is about using GCP’s in construction
04:10 - Please Share, Review and Subscribe. Your encouragement keeps us going.
04:18 - Can you lay GCP’s on the site, and use this information again and again?
04:41 - Should you leave your GCP’s on the site?
05:13 - How many GCP’s should you use? How should you lay them out?
05:53 - What should you use for your GCP’s?
07:30 - Importance of having good overlap in your GCP’s
07:53 - When do you need GCP’s? Can you use scale constraints instead?
08:23 - Benefits of using Propeller Aeropoints for setting GCP’s on a construction site
10:06 - Do you need to leave your GCP’s on the site?
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Please watch: "How FAA's NPRM for Remote ID for Drones Will Hurt Hobby Pilots or RC Pilots with Jon McBride"
• How FAA's NPRM for Rem...
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Get Your Biggest and Most Common Drone Certificate Questions Answered by Downloading this FREE Part 107 PDF - thedroneu.clickfunnels.com/ge...

[@lucm1178]

Hi, Thanks a lot for your work it is really helpful. What hardware do you use to collect your gcp gps position ? Emlid ? Greatings from France

[@joemathieu6795]

Q1 - After installing GCPs we need to get the GPS coordinates of those GCPs right? What kind of GPS are you using to get those coordinate? Q2 - If I use RTK (like the P4P RTK with mobile station) do still need GCPs? Thanks guys! good show

[@wxjeremy]

Joe Mathieu I was going to ask the exact same questions.

[@mrjonlee]

Your landing pad link is not available on this video for some reason

[@joramnikam4063]

Do u teach online....iam from India and would really like join the classes..

[@LetFreedomDecide]

Where did you get the GCP per acre data? It seems like a huge overkill

[@xucaslayx]

Yeh that can't be accurate information. I survey 450+ acre sites and there's no way I'm placing 225 GCPs per flight, as per his 10 acre rule... I'd like to know what study he's pulled that info from, and perhaps they need to do an updated video with more technical information...

[@SandCrabNews]

Perhaps a smartphone app for positioning GCP's? Put phone on a preferred place on the GCP , then orient and place GCP on site, click install, done.

[@andrewgibson4807]

Flat bottom pole dude.