MathTeacher, post: 362261, member: 7674 wrote: Back in 2007, I was teaching math to high school and community college students and teaching myself wha...

Locating remote points via triangulation occupied much of my early career. My favorite project was locating a remote navigation aid from a baseline at...

Bill93 is correct. As the observation scheme and adjustment guidelines in the document in my previous post do NOT require ties to NAVD88 benchmarks ho...

Jim in AZ, post: 360928, member: 249 wrote: I have a distinct recollection of reading somewhere about differences between PACS and SACS monuments and ...

I now see what you are doing. You are assuming that N is always negative. It is not everywhere. The equations I provide are usable anywhere (although ...

Unfortunately while trying to retrieve an NGS datasheet to show the relations I provided are correct, my time for editing passed. Still unable to retr...

Given h - H - N = 0 solve for h, H and N given the other two quantities:To solve for h. Rearrange H + N = h.To solve for H. Rearrange h - N = HTo s...

Joegeodesist, post: 360123, member: 6744 wrote: The "APPROX ORTHO HGT" line was preceded by explanatory text, no?This has been in the extended solutio...

MightyMoe, post: 360171, member: 700 wrote: I prefer NAVD88-N=hThat formula has worked well for many years.The formulation I provide allows easy manip...

First start with h = ellipsoid height, H = orthometric height, and N = the geoid ellipsoid separation. The question is which system or model defines t...

Texas A&M University - Corpus Christi also includes graduate programs. See: The graduate program is called Geospatial Surveying Engineering. The ...

Before hearing the wails of people decrying yet another update, I encourage those interested to examine the transformation parameters for ITRF08 to IT...

Another, perhaps less known, example of state ownership of lands is Israel. See It states that 93% of the land is owned by the state!Sheesh!

Good luck. You might find the linked document of interest: The best source for job postings in the federal civil service of which I am aware is USAJO...

Jim Frame, post: 351253, member: 10 wrote: Different situation, but related: I've always found it interesting that high-order NGS level runs along RR...

I provide the following links not seen in previous responses. The first link provides details about issues like sight lengths, setup and section dista...

While I rarely use Windoze anymore, when I do I like to have a copy of PowerDesk handy. Info here: When manipulating large projects with submissions ...

The influence of warm Atlantic currents keeps the weather mild. See:

With respect to the link problem. I accessed through Google Scholar. I am also a ResearchGate member. In any event... Article is "Theoretically correc...