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MightyMoe
MightyMoe
@mightymoe
Member
Joined: September 22, 2010 9:13 am
Last seen: June 5, 2026 2:43 pm
Topics: 989 / Replies: 9551
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RE: Behavior of NOAA Magnetic Field Calculators Near Geographic Poles

The magnetic poles are not 90n or 90s, plus they wonder like a drunken sailor. Lets just hope we don't live through a flip or a plasma event while our...

12 months ago
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RE: Railroad Survey Advice

1909 is a bit later than some. Was this prior to patents? If you're in a PLSS state you can look up the creation of the ROW in the Historical Index ...

12 months ago
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RE: TBC trials

I'm not sure how to advise you about control. Since you're on the Big Island, I'm guessing geographic coordinates are unstable even in the short run. ...

12 months ago
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RE: TBC trials

The move point should do what you need. The transform command you're using for this task is the wrong way to go. I've never explored using it, but I a...

12 months ago
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RE: Railroad Survey Advice

Normally RR ROW's are simple curves (not always), val maps being tax maps are more interested in the valuation of the RR infrastructure and show the t...

12 months ago
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RE: TBC trials

I think I know what you're trying to do. Try this: Highlight the base point. Click on properties. In the properties menu there will be a move survey...

12 months ago
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RE: Down CORS stations

I haven't seen less of them recently, although, there are no remaining CORS left that I would use when I started doing static. It may be different in ...

12 months ago
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RE: GNSS Accuracy

The accuracy stated that I see is "plot verified". This is a classic example of someone seeing some data and assuming it's valid for a use it isn't...

12 months ago
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RE: GNSS Accuracy

I took a quick look at the IDOT website for benchmarks. The few I looked at if they had a Lat, Long listed it was a tenth of a second or nearest 10' i...

12 months ago
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RE: Bent iron pipe

That pipe looks amazingly similar to many of the 1/4 GLO brass caps I see, they used pipe sticking out often 12-18" and many get bent just like that o...

12 months ago
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RE: Station and offset or bearing and distance

One thing to keep in mind with older ROW's is that they can be "true north". Adjusting for that has made a few of them fit much better to our surveys.

12 months ago
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RE: Do surveyors ever measure across water

I take it to mean they measured the water level on the west side to be 1000' off a bench mark. Traveled to the east side and started a new loop using ...

12 months ago
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RE: Station and offset or bearing and distance

Outs yes, Stations no, Deeds yes, Plans no. Lots of "it depends" for those rules of thumb pertaining to highway plans. Like RR's, older highway plan...

12 months ago
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RE: Seeking RPLS to Review & Certify Completed Form Board Survey – Royse City, TX

I collaborate often. No problem with it as long as I'm completely in charge of the LS portions of the project. We work with many engineers, sometimes ...

1 year ago
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RE: Half chains and full chains in GLO surveys

Here is a recent example of using GLO plats for property assumptions. I had a client in some distress come to the office almost 10 years ago. They had...

1 year ago
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RE: Working with LDPs

Actually, any property located set of coordinates can be retrofitted with an LDP. A few minutes with the programs will get you there. We started doing...

1 year ago
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RE: Working with LDPs

The key to making LDP's useful is to make them "official" so they appear in common engineering/GIS computer programs. As Norman relates Oregon has num...

1 year ago
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