Howdy,With respect to your question about the magnitude of the difference between NAD83(1986) and NAD83(CORS96), you can compute the difference using ...

Different softwares different results?As Mr. Billings notes, users are frequently the source of bad solutions. Just because you can change a default d...

Different softwares different results?Howdy,For what it's worth, the fact that different software packages yield different (though small magnitude) re...

Howdy,FWIW,the more commonly used British English word "travelling" illustrates the difference with this formulation. Of course, spell check here want...

Howdy,Thanks for the link. Very nice. Very comprehensive. One question, is the level shown as a Wild ni 002 actually a Jenoptik?Cheers,DMM

Howdy,It seems to me that what is being recommended is "merely" a rescaling of the weight matrix to reflect the reality that the computed weights wer...

Never mind ...

Howdy,To transform the linear units from LGH to XYZ we use rotation matrices. See the equations in the following presentation or do a web search.Note ...

Here's another shot of Diamond Head taken from water level during a snorkeling trip to the turtle nesting area off Oahu.

There was nothing like the masses of sweating bodies jammed together on the stairs. As shown here, only the hard core(?) take them anymore.If you want...

You are shooting in the dark - that is not smart!!Howdy,Is this link any help?Cheers,DMM

Howdy,I did notice that the manual for the software is available for download at:I do not know whether this is the most recent. It is nice they made i...

Howdy,FWIW, Dr. Ghilani's web pages are in support of his class lectures. I don't think they were intended to be "stand alone." His program is for un...

Howdy,The data sheet refers to a specific monument. If you use a reset and not the monument you are using the wrong point. You should not expect any a...

Howdy,My first thought was that the large horizontal discrepancies are due to observing the wrong monument. Monuments established in pre-GPS days incl...

A GPS question - ground SegmentHowdy,FWIW, there is an IGS effort to study how to gather data for all the GNSS. See the Call for Participation at:br>I...