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pfirmst
pfirmst
@pfirmst
Member
Joined: October 15, 2021 3:31 am
Last seen: May 13, 2026 7:09 pm
Topics: 20 / Replies: 198
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RE: Adjustment software - considering Star*Net

We've been using SALSA for a couple of years, it's a pretty decent software package, gives you lots of information and you can export to Google Earth ...

3 years ago
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RE: Prism Constants!

We use Sokkia's 62mm AP01 nodal prism with -40mm offset, we've got a heap of them including an AP12 rod mount close to the ground and an AP11 at the t...

3 years ago
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RE: LiDAR Dataset Comparison

Great video, I've already shared a link with my customers to share with their engineers. On a recent job one customer asked me for 2mm accuracy. I ...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

I noticed a new trend where many non-surveyors are performing scans. All were performed without asking for a single control point. Then when their sca...

3 years ago
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RE: How do you guys deal with engineers challenging settlement monitoring data (simply because the they don't like the results)

@bill93 I agree, it's a bit unreasonable to have an alarm so close to measurement data third standard deviation outliers. Their alarm should be some...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

Some points at distance, falling onto the surface of wall sheeting, I've magnified the points to 5 pixels, as they're sparse. Uncertainty between sc...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

So just trying to increase speed without loss of accuracy, by changing from a traverse workflow, where we're leapfrogging the scanner with prisms on s...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

Some points at distance, falling onto the surface of wall sheeting, I've magnified the points to 5 pixels, as they're sparse. Uncertainty between sc...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

Just posting some images here, so people understand the level of accuracy and precision we want to achieve I have not yet seen cloud to cloud alignm...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

@leegreen So you've basically got control scan positions, with rotational alignment determined between scans by spheres, which doesn't require measuri...

3 years ago
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RE: Faster accurate terrestrial scanning with survey methodology.

@leegreen There was a problem you were solving here, as your method is relatively unique, I'd be interested to hear more about your workflow and why y...

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

He almost pulled his hair out getting the terminology down as similar wording didn’t exactly translate to same meaning. Good point, it's not always...

3 years ago
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3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

And getting yelled at by the boss, memories of when we discovered how to edit photographs.

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

Laser aligning IBS rope lug install. Cheers, Peter.

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

Hand dressing following machining, we had the swing rack trammed within 1.5 thou of concentricity. Tolerance was 20 thou. About a year prior, I had...

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

Jacking system, used to float the dragline in its working plane. Tub machining, the tarps are there to stop sunlight interfering with laser levellin...

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

@olemanriver Thanks, from what I've read so far, having an atomic clock in the receiver doubles vertical height accuracy. Does anyone on the forum u...

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

Nothing to do with GPS, just a few photo's from the past.

3 years ago
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RE: Pushing the limits of GPS accuracy using GPS Post processing

@mightymoe I really would have liked to see the Stripping Shovels while they were still working.

3 years ago
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