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Harold
@harold
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Joined: December 2, 2011 8:03 pm
Topics: 69 / Replies: 425
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RE: LaPlace Corrections

Thanks, guys. This has been a good read and an interesting topic. I knew the LaPlace correction existed, but since it was small, not too much was emp...

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

Reason: geodetic more closely matches record. However, one must have to assume that the record reference direction is True North. How did the other g...

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

Mark, you are correct. All that rotation stuff has to be carefully accounted for. I use geodetic in the office to plot deeds on top of my coordinates...

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

You can look at your raw data file and see that survey pro calculates a ground scale factor at the instrument position and applies it to the grid dist...

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

HaroldI found it at the following: LINKIt is entitled "What you need to use the State Plane Coordinate Systems" by the NGS.However, the link carries ...

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

tds survey pro grid north with ground distancebGood point. I leave all of my survey pro jobs in state plane coordinates. When I get to a new job that...

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

tds survey pro grid north with ground distancebI am a "flat lander." Most of the terrain around here in Northeast Mississippi varies from nearly flat ...

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

I do this. Once I get a mapping plane ground solution, my GPS distances match very closely with my EDM distances.I run grid directions and ground dist...

10 years ago
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RE: RTK is useful, but it will lie to you.

True, Nate. I have seen and done the things you said.I have learned a few rules when using RTK. Most of all of them have been listed in the posts abov...

10 years ago
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RE: Math Test

I taught elementary surveying for years in community college. We spent the first weeks reviewing basic mathematics. I ended up teaching relevant algeb...

10 years ago
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RE: Factors affecting initial coordinate alignment

Somewhere in your instrument setup routines, you are able to select the type of instrument to connect. One of your options will be "manual" mode, in t...

10 years ago
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RE: Factors affecting initial coordinate alignment

When using the total station, I stick two nails in the ground and use a magnetic compass to get a rough backsight azimuth and go for it. No wasted ti...

10 years ago
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RE: Buying a new plumb bob?

plumb bob or plumbob?Which is it? My I-pad autocorrect says two words. This is like the benchmark / bench mark issue; does it depend on the context?

10 years ago
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RE: Buying a new plumb bob?

I used to carry one regularly on my tool belt. 16 ounce one with gammon reel. I used it with a long shank screwdriver holding one end of a steel roll-...

10 years ago
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RE: Some days are better than others.

DudeIt is about 46 degrees here in overcast Northeast Mississippi. I MAY have to use the toe of my boot to scuff the 1/8" ice off a point on a typical...

10 years ago
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RE: Odd bearing description in an old deed

I have seen similar notation in the U. S. public Land Survey System in Northeast Mississippi field notes. There will be an entry for degrees and then ...

10 years ago
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RE: What is it with clients

I had a call late Friday evening from a lady friend of mine. She wanted to have a piece of her land surveyed to give to her daughter for a Christmas p...

10 years ago
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RE: made a courtesy call today

things you almost see in the fieldOnce, while surveying near a nice subdivision in a nearby town, I was cutting my way down an overgrown property line...

10 years ago
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RE: ORIGINAL GLO CORNER, 1835 +/-

Amazing! I have always heard that it was there, about a mile and a half off the highway. I have never seen an original marker in my 35 years of surv...

10 years ago
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RE: Takin' care of business in the woods...

In the sunny and hot South, I dread having to "go" in warm weather. The Mosquitos are awful, and you had better not let go of the tree to slap your b...

10 years ago
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