Here is one more way that site calibrations can save the day... ?ÿ Short version: ?ÿ A does the field work for a control survey on a moderate size...
A proper analysis of elevations before calibration with GPS begins with using the Geoid Model and inspecting the vertical relationship between control...
What is the process to taking old data and making it work with a proper projection like UTM? Here is one thing you NEVER want to do: Calibrate to ...
But they barely have time to keep up with contractor much less go around the site and observe all mandated control and such that was done by another s...
Mmm?? 3/4? steaks. A bit thin, and delicate cooking on the grill, but delicious!
I would use the ellipsoid height that I measured, which hopefully is the one within 0.1?? of published NAVD88. My point wasn??t that you did anythi...
As a County Surveyor, I can confirm they also call the county to have their property lines surveyed. Technically, in MI, that is still a thing "on ...
@dougie ?ÿ"R's".?ÿ It's always the R's...
So accepting the NAVD88 number and letting the geoid model calculate the ellipsoid number was clearly the correct procedure. I was right there with...
All elevations are Geoid based, usually we are on Local Bench Mark data so that ellipsoid heights are slightly different from an OPUS or CORS solution...
And here's another example/approach you can throw at the boss for "cost savings": Sell/trade-in all your exisitng field vehicles that are gasoline/di...
We've got Trimble Business Center for some of our construction work.?ÿ Those of us in the land surveying department haven't learned to use it very wel...
The accuracy of that robot or total station angular was achieved in transit days transits that weighed so much they were hauled in special buggies pul...
Back in the day my HP48gx with SMI couldn't carry enough digits to work with state plane. So you had to truncate the numbers. C'mon, man... Everyb...
IF THEY ARE REDUCED TO GROUND MEASUREMENTS THEN THEY ARE NOT STATE PLANE COORINATES BY DEFINITION. I was wondering when someone was going to point ...
Spoiler Alert: It depends... ?ÿ There have been many good developments in field, data collection, and office software(s) since the 1980's. ?ÿ We a...
I'm trying to make an excel spreadsheet that will calculate the expected standard deviation in the Northing and Easting of an observed coordinate base...
Not sure what the rest of the statute(s) say, or if there are additional statutes that are complement/supplement your citations, but your summary seem...
So I am documenting the priciples and case law guiding a decision regarding a conflict between a natural monument (waterway) and artificial monuments ...