@mightymoe The "ITRF to NAD83" option disappeared in a recent update to Access. With the release of TBC 5.90 and the support of NGS NCAT NAD83 tran...

Why can I survey with the data collector explicitly set to the ellipsoidal NAD83(MA2011) but not the ellipsoidal NAD83(PA2011)? What DC and version...

@mightymoe 3. Surveying Standards and Standards of Care B. Other Requirements and Standards of Practice - Many states and some local jurisdictions...

You can't negotiate statutory requirements out of a price proposal for preparing an ALTA survey. Is this copyrighted? Thinking about putting this ...

I think the customers freaked every time control coordinates were updated and the vendors went along with it. Essentially all they do is copy the old ...

@mightymoe OK, help me better understand. If I drive a nail in pavement and set GNSS over it, it's going to record a Lat/Lon position. From that Lat...

But what if you're using an RTN as the base and letting your receiver find its position relative to the RTN base? Whatever conversion the RTN has done...

@fugarewe NAD83 is NAD83, regardless of realization. They all use the same ellipsoid and the same computations - and the same projection parameters if...

Most surveyors don't know and/or don't care about EPSG codes. I wouldn't be able to tell you what the various codes are for the various NAD83 realizat...

Nice. Both the public and surveyors are best served by stamped caps that clearly indicate what the monument represents... (he said, working in an are...

I had to jump off only a short time into the webinar, but I am looking forward to watching the recording.AAGS is in the process of putting together th...

So, everyone wants accuracy, but almost no one wants to pay and even fewer want to pay AND wait. Realistically determining the accuracy that you NEED...

Any way you can run PPK and sidestep the communications link? It's tighter than RTK anyways (assuming you are able to log at better than 1Hz at both b...

Canada/US line runs through a library: Derby Line VT?

The only question I am asking is...what would you do with the old corners that have caused past confusion and might cause future confusion? Leave or ...

I would be looking very hard at occupation and reliance before making this decision... Determine where, in your professional opinion the law says t...

Take it to your local nursery and sell it to them. I've used flagging of all colors to brace plants like tomatoes, eggplant, and squash. This is...

My off-the-cuff guess is to allow statistical testing at the 99%/3-sigma level. In practice that standard is not often met, something that the han...