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charles-l-dowdell
charles-l-dowdell
@charles-l-dowdell
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Joined: July 1, 2010 8:13 pm
Topics: 20 / Replies: 797
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RE: Calibration baselines

In August, 1984, I, along with Pablo and some other volunteers from the South Central Chapter of PLSW, helped on the CBL established about 12 miles So...

13 years ago
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RE: Pablo Help!

> Leonard,> That was a tongue in cheek joke...unless Mighty has forgot a few things I've tried to teach him over the years. :excruciating: >...

13 years ago
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RE: Pablo Help!

I could send you mine, but since I've been retired and what I have left over in equipment is in various places in some storage sheds, I probably can't...

13 years ago
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RE: Similar but Different to Thread Below

> Who shows acreage to 4 decimal places? I never could figure that one out. Sometimes a foot wedge works too, but we're not allowed to say that (...

13 years ago
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RE: Sun Shot Reduction

Harold, we were within 0°00'04" with our calc's.

13 years ago
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RE: Sun Shot Reduction

SPC zone does not even come into play for determining the azimuth or bearing of the line observed.

13 years ago
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RE: Sun Shot Reduction

I couldn't get my HP 75C program to load into the 75C computer memory, and my old 86B uses the older input data, Equ. of time, etc., so that one would...

13 years ago
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RE: Subdivsion Replatting

NEVER!Jim:This must be Wednesday "Humor" post, don't you think?

13 years ago
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RE: Accuracy / Precision with transit and tape

Slope Chaining?Chained many miles with a 300' tape using a plumb bob on each end holding waist high, a clino for verticle angles shooting close to the...

13 years ago
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RE: Azimuth Versus Bearing

That is a confusing way to do an input for quadrant. Never used a cogo program that the input was that way. The ones I have used have been: 45^1, 45^2...

13 years ago
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RE: Not sure who set that brass cap, but I'm calling it 0.5' off

Must have carried an old chisel so the marks would look old. 🙂

13 years ago
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RE: I need some R.R. savvy surveyor's thoughts

Norman:The spirals pertain to the track layout, not the survey line.

13 years ago
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RE: I need some R.R. savvy surveyor's thoughts

All Data Is Correct For A Highway CurvePaul:The data for each of the curves is pretty similar for the highway curve and the railroad curve. Some data ...

13 years ago
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RE: I need some R.R. savvy surveyor's thoughts

All Data Is Correct For A Highway CurveI missed a number which made it appear that the stationing was getting smaller going from the labeled P.C. stat...

13 years ago
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RE: I need some R.R. savvy surveyor's thoughts

Appears that there are a lot of mislabeling of the parameters, stationing running backwards (getting smaller)from what is labeled P.C. Calc'ing a 1°08...

13 years ago
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RE: ALTA/ACSM Recert question

"In many cases the attorney asks for an ALTA because he has been told that ALTAs are good surveys, when he really wants a boundary and topo".In most c...

13 years ago
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RE: If not "modified SPC" then what?

> "I work on the grid"> > That must be nice - I'm usually at an elevation of ±7000', so I work on the ground and calculate on the grid (if re...

13 years ago
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