Mat Win
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Mat Win's Discussions

Height Reductions

Started this discussion. Last reply by Mat Win Oct 24, 2017. 5 Replies

Hi AllI hope this post find everyone well and in good healthExplain how differences in heights are reduced by adapting the raw                 measurements to refined data. Explain reductions…Read more →

Subject Tags: how-to, reductions, height

how do i calculate the INSF?

Started this discussion. Last reply by DANIEL MCCARTHY Oct 15, 2017. 6 Replies

Hi guysCan anyone help me with this attached pic A formula for it or any information would be appreciatedKind RegardsMat…Read more →

Geodetic Correction Formulae

Started this discussion. Last reply by CHARLIE B. AYCOCK, III Jan 4, 2017. 7 Replies

Hi allwhats are the Formulae for1. reduction to ellipsoid correction2. Line scale error coreectionusing final stations heights to computeAny help would be greatCheersMatRead more →

Subject Tags: formula, geodetic, correction

Gross Errors in Measurements

Started this discussion. Last reply by A Murali babu Nov 2, 2016. 27 Replies

Hi AllGross errors in measurements will manifest themselves in a traverse misclose. These gross errors are typically a distance and/or bearing error. How would you identify individual bearing and…Read more →

Subject Tags: measurements, surveying

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Mat Win replied to Mat Win's discussion Height Reductions
"im guessing the question is written way that everyone interrupts it differently. The explanantion is meant to include or show how differences in heights are reduced by adapting the raw measurements to refined data. Their explanation must cover…"
Oct 24, 2017
J. Anthony Cavell replied to Mat Win's discussion Height Reductions
"Yes! Tom's, Dan's and Dave's essay is a great source. Thanks, Mr. Noblitt. JAC"
Oct 18, 2017
Kim Noblitt replied to Mat Win's discussion Height Reductions
"http://opencommons.uconn.edu/thmeyer_articles/2 What Does Height Really Mean Meyer, Roman, Zilowski     2006"
Oct 18, 2017
Mat Win's discussion was featured

Height Reductions

Hi AllI hope this post find everyone well and in good healthExplain how differences in heights are reduced by adapting the raw                 measurements to refined data. Explain reductions relating to sea level, close,              and mean. Any help would be appreciatedRegardsMAtSee More
Oct 18, 2017
Christopher James Drayton favorited Mat Win's discussion Height Reductions
Oct 17, 2017
J. Anthony Cavell replied to Mat Win's discussion Height Reductions
"Dear Mr. Win, I will try to give an explanation, but first, here are a few links to previous comments. Link 1Link 2Link 3 Link 4Link 5 Explain how differences in heights are reduced by adapting the raw measurements to refined data. Perhaps the…"
Oct 17, 2017
Luann Glenn replied to Mat Win's discussion Height Reductions
"I need a more clear question. What's your survey project and are you dealing with littoral data???"
Oct 17, 2017
Mat Win posted a discussion

Height Reductions

Hi AllI hope this post find everyone well and in good healthExplain how differences in heights are reduced by adapting the raw                 measurements to refined data. Explain reductions relating to sea level, close,              and mean. Any help would be appreciatedRegardsMAtSee More
Oct 17, 2017
DANIEL MCCARTHY replied to Mat Win's discussion how do i calculate the INSF?
"RIGHT ON"
Oct 15, 2017
Mat Win is on spot light
Oct 10, 2017
Mkondo Moyo replied to Mat Win's discussion how do i calculate the INSF?
"Computed distance/measured distance"
Sep 26, 2017
Mat Win's discussion was featured

how do i calculate the INSF?

Hi guysCan anyone help me with this attached pic A formula for it or any information would be appreciatedKind RegardsMatSee More
Sep 25, 2017
J. Anthony Cavell replied to Mat Win's discussion how do i calculate the INSF?
"I assume the previous replies are correct. Using an electronic total station - one may be invited to enter temperature, barometric pressure and relative humidity. When that is entered the display shows a scale factor for the EDM. I believe the form…"
Sep 23, 2017

Seeking Employment
Dean Ryan Davis replied to Mat Win's discussion how do i calculate the INSF?
"I don't know if this will help or not but I believe that the abbreviation Delta INSF means change in scale factor. I'm not sure why one of the units would be in parts per million and the other would be in meters. In algebraic expressions,…"
Sep 23, 2017
Christopher James Drayton replied to Mat Win's discussion how do i calculate the INSF?
"In sf would be instrument scale factor. This would probably come from the manufacturer of the instrument used (?)."
Sep 23, 2017
J. Anthony Cavell replied to Mat Win's discussion how do i calculate the INSF?
"I amnot 100% sure of the abbreviation LNSF or INSF. The lower case is ambiguous to my eye.  When I look at the form in total, I am leaning toward a meaning of Linear Scale Facor as a percentage of length and as a resulting distance calclated…"
Sep 23, 2017

Profile Information

I am here because I am a.
Student
Surveyor Bio:
Still Studying to become a Survey Technician joined here since when im googling information this site always comes up with good info and ideas
Company
Coastwide Surveys
Location for Member Map
New Zealand
Licenses Certifications or Awards
Student
I have experience with the following
GPS, cadastral, topographic, boundary surveys, construction staking, topographic surveys, control network surveys, Survey Office
How many years have you been surveying?
2.5
Most comfortable with the following types of instrumentation
Total Stations, GPS, Surveying Software, GNSS

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Comment Wall (4 comments)

At 1:11pm on May 12, 2016, Billy Brooks said…

Mat, what kind of calculator do you use, If it is Hp let me know, i can help you get  and show you how to use it . if you do not have, than you can down load one on your PC tell you get one.

billy

At 10:39am on August 1, 2014, J W Veatch said…

All of these things are to be shown on the land title survey prepared and certified correct by a Professional Land Surveyor.  Moreover if the property in or near a flood zone a FEMA elevation certificate is to be prepared and certified correct by a Professional Land Surveyor.

 

As these things are done in today’s market they are one off site specific projects.  However with the system 1 have developed the entire block of homes and related real property could be surveyed with very little additional effort.  You may now be asking what so special about this data that only Professional Land Surveyors can produce it?

 

Here’s the dirty little secret; for more than the last 100 years the sneaky Land Surveyors of this country have buried most of the property boundary corners that they have set in the ground.  Now these points are easy enough to locate if you have a shovel and the proper equipment (a magnetic pipe finder) and know where to look.  But the problem for the Virtual World guys in that none of the new lidar, gps, gnss and other advanced technology Real World date collecting devises can see or precisely locate  them.  So the GIS folks of the world have resorted to low tech processes in a very misguided attempt to show property line data in there systems.  So here’s a “heads up” to the new 3D Virtual World if you guys go this route you will be asking for (and deserving) a mountain of law suites.

At 10:00am on August 1, 2014, J W Veatch said…

Because the big guys (Bill Gates of Microsoft and Jeff Bezos of Amazon for example) of the billion dollar + digital world have decided that there is money to be made by building a 3D virtual world it’s time to ask questions about just what liability for accuracy is to be bestowed on these efforts. In our overly litigious society surly the Virtual World big guys are going to be sued for providing information that is fundamentally “incorrect”.    

 

Your country has over 2 centuries of land title law that applies to the delineation of land title interest in the real world.  The only people in this country who are legally qualified to provide land title information as it relates to the delineation of property lines are Professional Land Surveyors.  The Virtual World guys are going to say that the boundary lines they show in their digital files are not meant to be “Certified Correct”.  So why are the Professional Land Surveyors of the world and their organizations not up in arms about the false boundary line information that is everywhere in public and private online Geographic Information Systems (GIS). 

 

I have a presentation that will call into action the “PLS Guys & Gals to get it together because there is a lot of land surveying work to be done in the Virtual World.  I have developed the concept of the next level of wareable Lidar technology that I believe will put land surveyors back in the game.  John W. Veatch PLS [email protected]  And by the way there is well over a $billion Dollars in Land Surveying work now availabel in FEMA Flood Zone mapping just waiting for the PLS of our country to get together and say we can do this.

 

John W. Veatch over ½ a century as a PLS & the inventor of advance technology survey systems.  My career has included being an owner of companies ranging in size from 1 man (me) to over 600 engineering, planning, and surveying personnel.  I have been a partner in the acquisitions, planning, engineering, surveying and sale of multi million of dollars of real property ranging in size from 1unit or lot to projects involving over 1000 acres. Now my sons and I now have a company that has produced over 40,000 land title surveys for real estate transaction as well as my patented satellite survey for commercial property transactions from Baltimore MD. to Palm Beach Calf.

 

A land title survey is that drawing of the property buyer get at the settlement table when they buy real property.  It required for title insurance purposes because the title insurance company needs to know exactly what they are insuring so the title insurance company hires a professional land surveyor to go to the site and perform a survey.  Here are some of the real world things the insurance company that insures the title to a real estate transaction needs to know.

 

  1. That the properly has legal access
  2. The precise size & dimensions
  3. If there are any easements, rights of way either recorded or implied.
  4. The location of all structures
  5. If there any encroachments

 

All of these things are to be shown on the land title survey prepared and certified correct by a Professional Land Surveyor.  Moreover if the property in or near a flood zone a FEMA elevation certificate is to be prepared and certified correct by a Professional Land Surveyor.

 

As these things are done in today’s market they are one off site specific projects.  However with the system 1 have developed the entire block of homes and related real property could be surveyed with very little additional effort.  You may now be asking wha

At 12:44am on February 19, 2014, Stevenson said…

Helo I do not have such template available do u have excel notes on how to create it

 
 
 

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