How Marking Ground Control Points Affects Your Accuracy in Drone Mapping

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Our caller, Chris has come up with a great question today about drone mapping and GCP’s. Specifically, he is finding it difficult to precisely mark Ground Control Points as the markers are prone to pixelation on zooming in.

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Timestamps
02:06 - How geo-referencing helps generate more accurate drone maps and models
03:50 - How can you determine the quality of GPS points that you have marked?
05:19 - Should you, as a professional drone mapper permit the construction contractor to pull GPS points?
06:24 - How can attending the 2020 Drone U Fly-in help you? Paul shares some interesting details
08:00 - How is the 2020 Drone U Fly-in bigger and better? Fly-in Challenge
12:14 - Today’s question is about Ground Control Point (GCP) markers pixelating as you zoom in
14:10 - What is the ideal size of a GCP marker?
14:46 - Understand Ground Sampling Distance
16:02 - Will flying at a lower altitude help Chris out?
16:32 - How can using a Drone U landing pad help you generate more accurate drone maps and models?
17:43 - Is the color of a GCP marker important?
19:13 - What are some common mistakes that surveyors make while marking Ground Control Points (GCP’s)?
22:28 - Why using Ground Control Points from stiff material like steel or wood is NOT a good idea
23:48 - Is it more difficult to mark GCP’s in some drone mapping software?
26:03 - Why is Chris seeing pixelated GCP markers?
29:02 - How can you fly at a high altitude and still maintain a low GSD?

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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 Remote ID for Dron...  
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Get Your Biggest and Most Common Drone Certificate Questions Answered by Downloading this FREE Part 107 PDF - https://thedroneu.clickfunnels.com/ge...