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andrewm
andrewm
@andrewm
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Joined: December 28, 2015 10:32 am
Last seen: March 8, 2025 9:56 am
Topics: 24 / Replies: 245
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RE: Cost Estimation for UAV Aerial Imagery Decoding

For photogrammetry we start at roughly $3,500/day for field data acquisition, depending on travel. That includes ground control, check points, and ima...

2 months ago
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RE: "RTK Drones still need GCPs, but only half as many"

Haven’t done RTK but tested PPK, short story…still need GCPs. PPK might screw it down to a foot or two but that’s about it. Any chance you have ...

2 years ago
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RE: "RTK Drones still need GCPs, but only half as many"

With my WingtraOne PPK I rarely need GCPs. Most of the time I put out targets only for checkpoints. Horizontal rms is 1x gsd and vertical is 1-1.5x gs...

2 years ago
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RE: Wingtra Opinions

Fyi, here is my Master's Report that I did using the Wingtra.?ÿ Horizontal accuracy of 0.05' and vertical accuracy of 0.15' with no ground control.?ÿ ...

3 years ago
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RE: Wingtra Opinions

I agree 100% about DJI.?ÿ Good products, but will never be on the DOD approved list.?ÿ The Wingtra is on the Blue sUAS list: DOD Blue sUAS List

3 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

Hey fellas, sorry I didn't report back.?ÿ Here is a link to download my master's report, which outlines the procedures I utilized: Milanes Master's R...

3 years ago
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RE: Wingtra Opinions

I've owned a Wingtra for two years. It's an amazing aircraft that excels with large area surveying and mapping. At 400ft agl, with the 42mp Sony RX1RI...

3 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@mightymoe I've also tested the Delair UX11.?ÿ While not quite as accurate as the Wingtra, it was still pretty good without GCPs.?ÿ It was within 0.2...

4 years ago
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RE: Are GIS or Geomatics Professionably Licensable Fields in Your State?

@mike-marks I'm a licensed engineer (civil) and have my GISP, so I feel I'm qualified to discuss this topic.?ÿ I believe the GISP is a well-intention...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@mightymoe Using RTK for check points, I always get 0.15' or better (usually <0.10') with 0 ground control with the Wingtra.?ÿ It's quite impressi...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@chris-mills Certainly the accuracy of the point cloud varies greatly with terrain type.?ÿ That is not what I'm trying to test in this project.?ÿ I'm...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@stlsurveyor In P4D, if you process Step 1 first, then it makes identifying the targets in Ray Cloud extremely easy.?ÿ With PPK, the cross-hair is wi...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@chris-mills I'm only using the targets as independent check points.?ÿ All of the processing will be performed with PPK processed geotags only (x, y,...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@mightymoe The gsd of the Wingtra / Sony Rx1RII at 400' agl is 0.05ft.?ÿ I'd like to see how close I can get to that.?ÿ This will be an interesting e...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@dmyhill I spoke with my local Trimble sales rep today.?ÿ Although he's not a PLS, he has a lot of surveying experience prior to becoming a sales rep...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@andrew-clark Thanks, I'll look into that.

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@leegreenMy local Trimble dealer has a demo SX10 that I can hopefully borrow, or at worst rent. ?ÿThatƒ??s probably the best Iƒ??ll be able get my han...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@jitterboogie The WingtraOne has a 42mp Sony RX1RII full-frame DSLR camera. It can achieve 0.025ƒ?? gsd at a flight altitude of 200 ft agl. I typical...

4 years ago
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RE: Best Procedure for Surveying UAS Targets for High Accuracy

@spmpls Thanks for the information. I will keep an eye out for the paper. My project is much smaller and focused on my specific drone. I am taking th...

4 years ago
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