In today’s show you will learn the correct workflow for achieving survey grade accuracy in drone mapping.
Our caller, Josh from UK needs to map really large tracts of land ranging from 1 acres to 5 acres. What steps does Josh need to take in order to create a really accurate drone map/model? We kickstart this episode by discussing the importance of educating yourself before taking on complex mapping jobs.
You will discover the nuances of different RTK and PPK GPS systems. What are the pros and cons of using systems like Emlid and Aeropoints? We also discuss why using the DJI Phantom 4 RTK over Leica and Trimble systems is a true value proposition. Thanks for the great question, Josh. Fly Safe!
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[02:28] Effective ways of sticking to your New Year Resolution
[05:43] Today’s question is about achieving survey grade mapping in drone mapping
[08:09] How can Drone U help Josh learn more about the nuances of drone mapping?
[09:38] Paul cautions drone pilots against going after complex mapping jobs without proper education
[10:26] Watch for the upcoming Drone U mapping class
[12:00] How long will it take Josh to map an acre of land?
[13:10] Do you need a RTK or PPK GPS system for achieving survey grade accuracy in drone mapping?
[13:46] Is it a good idea to use the Emlid sytem? Can you achieve good vertical accuracies?
[15:28] Is it a good idea to rent a RTK system for a drone job? What about Aeropoints?
[16:21] How to set GCP’s and checkpoints for achieving survey grade mapping in drone mapping
[17:26] Learn how using Drone U landing pads can help you immensely in drone mapping
[17:58] What is a re-projection error?
[19:17] How to correctly check the accuracy of your drone model
[19:37] Some important things to bear in mind for achieving survey grade accuracy
[20:47] How does the Phantom 4 RTK compare to total stations in terms of accuracy and cost?
[21:16] When are the new Drone mapping classes coming out?