Just curious but why depend solely on OPUS? While I havenƒ??t kept up with the other tools since I did a comparison years ago ), other free processing...

A post to this thread reads: ƒ??Geocachers submitting recovery reports is also totally unacceptable.?ÿ In central Louisiana, if one checks the NGS ben...

THe US NAVSTAR GPS satellites orbit the geocenter at a nominal value of 26,560,000 meters. This value?ÿis readily verified using values from a RINEX N...

FWIW, ?ÿ Ascribing bad intentions to those submitting erroneous information about survey monuments to the NGS Recovery Page is unfair. ?ÿ Given the i...

Or maybe the BC-4 ballistic camera program. See:?/p> If that link doesnƒ??t work try?/p> ?ÿMore accessibly described here/p>

As a longtime user of?ÿ Matlab I can whip out a script in short order for most tasks of interest to me. Like spoken languages, my ability to deal with...

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I noticed in todayƒ??s LV Review Journal that Art Bell, age 72, died at his home in Pahrump, NV. He was repored to have founded and broadcast from KNY...

More pictures of the profiler are here:?/p> I am not sure of the accuracy specification but this device is used to capture airport runway heights. I b...

The US NOAA/NGS Airport Surveyƒ??s uses/used a towed unit shown in their logo. Copied below. Contact them for details. ?ÿ Back in the early 1990s I wa...

I call your Fred Neil with this from the great Tom Lehrer

I donƒ??t whether there are any Matlab users but I just found out today that Clive Moler is working to develop a quadruple precision capability! ?ÿ

I cannot edit my post. I just wanted to add, on the issue of the value of ƒ??e^2ƒ? that Dr Milbert, former NGS Chief Geodesist, iteratively computed ...

FWIW, Mr Dennis derived his equation from Stemƒ??s manual ). Stemƒ??s manual solves for ƒ??kƒ? in parts; I think it is easier to code that way. BTW, ...

Bill93, I have no insight into NGS plans. I had hoped a final report and supporting data would be made available to see how the data was analyzed.?ÿ I...

No skullduggery involved. I had some problems with my settings resulting in the display of my email address. I deleted the post to eliminate the unwan...

On the matter of Helmert heights, see Sneeuwƒ??s paper which discusses the Prey reduction.?ÿ ?ÿ ?ÿ