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bill93
bill93
@bill93
Member P&R, Founder
Joined: July 1, 2010 9:00 pm
Last seen: September 30, 2026 11:22 am
Topics: 291 / Replies: 9714
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RE: HO scale survey screw

They built wooden towers in the beginning, but it was slow and hard to reclaim the wood for the next tower so many were left for the locals to salvage...

12 years ago
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RE: My control point went missing.

And as discussed in a prior thread, if the vet finds your flagged nail or a wad of flagging in the sick livestock, it will be very expensive for you.

12 years ago
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RE: Irrevocable License case

You have to wonder what it really was that made him mad - probably not the driveway.

12 years ago
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RE: Always adjust a traverse

Adjustment provides a mathematically consistent set of data. Better that it compute out exactly, even though we know it isn't really perfect. You do...

12 years ago
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RE: Is surveying a 'dangerous' job?

"the suspect demanded his cellphone and told him to get on the ground. The victim complied but while he was on the ground he took out his own gun and ...

12 years ago
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RE: Digging out the truth by MathTeacher TTT

John, at the riskYou're right, but that didn't cross my threshold for correcting a forum post. Unfortunately, I see worse in newspapers, nowadays.

12 years ago
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RE: All distances on 1959 Map shown in Chains

C assumes they rounded to the nearest link, as 0.33 ft is half a link. That would be applicable when all distances appear to be given to 0.01 chain, ...

12 years ago
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RE: Proposed Rule Changes in Texas

>minimum of 35 scheduled work hours per week, 52 weeks per year.[sarcasm]No vacations allowed.[/sarcasm]

12 years ago
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RE: Deed vs. Plat

They need to ask themselves three questions:-How much is the disputed land worth?-How much is the satisfaction of winning worth?-How much will the lit...

12 years ago
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RE: NGS datasheets for reported destroyed marks.

Some of the ways of searching their data base (PID, coordinates, etc.) have a check box for "Include Destroyed Marks" or "Destroyed Marks Only"I have ...

12 years ago
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RE: Now that's a use of the survey chain I have not encountered

>?could use one as a weapon, swinging it around and around until it gained velocity and the free end leaped forward to maimI think I've tried swing...

12 years ago
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RE: What are they?

I can't tell whether this is in a roadway or in a pedestrian area. If the latter, I suppose somebody once put in steel pipe posts to make a barrier a...

12 years ago
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RE: Yet another correction factor....

The reason we are still using NAD83 (whatever flavor) instead of WGS84 is that NAD83 is tied to the North American tectonic plate and WGS is world-wid...

12 years ago
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RE: LaPlace Corrections

You got much of the concept there.I don't like that figure for this purpose, though. I'd move the star (really the North Celestial Pole, since Polari...

12 years ago
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RE: tds survey pro grid north with ground distance

Laplace - last tryMr. Laplace did pioneering work in a lot of mathematical areas. The fact that his name is on it doesn't mean it's closely tied to s...

12 years ago
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RE: tds survey pro grid north with ground distance

Laplace - last tryNo, there is nothing about time in the Laplace calculation. Time is used in calculating position or azimuth from astronomical bodie...

12 years ago
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RE: tds survey pro grid north with ground distance

Laplace - last tryTry this experiment, in thought or practice, as another way to get the concept of why there is a Laplace correction.Pick a tall pole...

12 years ago
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