I have it on good authority that Dale Benson at USGS will retire on or about January 3. He's been a great reason and that knowledge will not be perpe...
The NGVD 29 should not be confused with the "Sandy Hook Datum." Regrettably the U.S. Coast & Geodetic Survey never specifically used the name to ...
Western Data Systems RTK Cooperative Network mtg.See you Thursday evening in San Marcos
While the NAD 83 and WGS 84 coordinate systems have a horizontal difference of approximately 1 m (depending on where you are in the U.S.). That diffe...
You guys are da best - You know you've done something right in your life when you walk in the house and there are your 20something boys watching Holy ...
The second term correction (T-t) would only need to be applied if you want a grid azimuth and the line over which you want to determine the azimuth is...
Another nit pic, but it's my soap box - there's no such thing as "WGS Coordinates (NAD 83 (92)). You either have WGS 84 coordinates (in one of the 5 ...
Thanks Mike - as you so aptly stated we need more data - a good quality data with reliable redundancy. My own estimate is that NGS receives less than...
Hire someone - what a great idea. Wouldn't that be nice. Everyone wants smaller government - here it is.
The Tellurometers came from South Africa, the Geodimeters came from Sweden.
That is a great exhibit that the survey office has. I'm very envious. NGS is just starting to work on something similar at our Corbin, VA office. ...
Thank you Deral - a voice of reason to lead us out of the wilderness. Bless you.
Jim, this is an issue we talk about all the time at NGS. Even though we have an extensive network of state geodetic advisors (unfortunately not enou...
Give that man a kewpie doll - Shelby nailed it. Regrettably we deal with users almost on a daily basis that don't know this. They assume that NAD 83...
Since the National Geospatial-Intelligence Agency (NGA), who define and manage WGS 84 don't provide any terrestrial realization for the system (e.g. C...
The U.S. Defense Department has been migrating WGS 84 to be closer and closer to ITRF. The relationships are defined in the NGA (National Geospatial-...
You are spot on Dr. Loyal. A very nice explanation. This issue with WGS 84 comes up all the time. There are really only two ways you can truly be i...
Level Run Confirms disk isn't the one onNGS DatasheetI regret that situations like this are far too common. On numerous occasions NGS would supply a ...
"Grid is not a lay persons area of knowledge" We can all agree with this but the boundary also includes direction. What does the lay person know abou...
