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spmpls
spmpls
@spmpls
Member
Joined: June 7, 2016 10:44 am
Last seen: March 27, 2025 2:45 pm
Topics: 21 / Replies: 639
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RE: Corpscon6 - geoid 18 files

You could use NGS Data Explorer to go to your project location, then perform a radial search near where you want the CSF. Assuming some marks are foun...

3 years ago
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RE: SW Regional Geodetic Advisor

The incumbent, Lynda Bell, relocated to become the Alaska Regional Geodetic Advisor after a couple of years in the SW. Bill Stone held the SW position...

3 years ago
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RE: 20 July 2023 State Plane 2022 Preview

If you use the SPCS and aren't attending this webinar, you will want to watch it when the recording is posted in about a week.

3 years ago
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RE: NGS webinar 22 June 2023 transitioning to new NSR

I had never heard of the AAGS before. I'm interested in their training materials and certificate program. Will look into that further. As Brian Fis...

3 years ago
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RE: Working Remotely as a Professional Surveyor

I have been working 100% remotely since March, 2020. That said, I am in management, so much of each day is attending meetings. None of my time is spen...

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)

Are you using trivets or "turtles" for turning points? A fixed leg tripod? Thermistors high and low? As GeeOddMike said, geodetic leveling is very exa...

3 years ago
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RE: On accepting and rejecting monuments

I am fortunate that I started my career in the era of theodolites and steel tapes, with the occasional stand alone or top mount EDM. Understanding the...

3 years ago
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RE: New Surveyor gift Idea

Not a new surveyor, but I recently gave the guy I studied for the exam with 37 years ago a brand new copy of "Chaining the Lands" while he was recover...

3 years ago
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RE: RTN elevation question - rookie

@john-putnam When the 2017.50 epoch was published, the current NGS geoid model was 12B, thus the derived COH values are based on 12B, not 18.

3 years ago
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RE: RTN elevation question - rookie

The heights you are getting from CRTN are California Orthometric Heights (COH), not NAVD88. The difference can be substantial (decimeter) in some area...

3 years ago
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RE: CA PLS Exam April 2023...

When I took it, there was no such thing as the National exam. The California exam was comprised of 10 problems in 8 hours and it was virtually impossi...

3 years ago
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RE: Little John's Creek California

Yes, Idaho not Oregon. I stand corrected. He lived not far from me and we had the same Post Office, so I occasionally bumped into him.

3 years ago
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RE: Little John's Creek California

Evan Page was a great resource for this type of discussion. He left State Lands and moved to Oregon a while back, but I think I recently saw him post ...

3 years ago
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RE: Favorite found monument.

This grinding hole, called out as an accessory to a corner in a silver mining claim survey in 1876.

3 years ago
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