Bill93, post: 420134, member: 87 wrote: Would a solid-looking and 6 ft deep storm sewer inlet structure rate a 'B' ? An abutment or wing wall for a s...

Bill93, post: 420134, member: 87 wrote: Would a solid-looking and 6 ft deep storm sewer inlet structure rate a 'B' ? An abutment or wing wall for a s...

base9geodesy, post: 420095, member: 7189 wrote: "Here's something: In Oklahoma, Published NGS Benchmarks are notoriously inconsistent with the results...

You will note in the image above ( ) that NO monument is considered completely reliable. Unfortunately many submitters to NGS like to supercede these...

Glad to hear that Illinois has seized the initiative. Unfortunately most states will not. Looking at this map of the highest horizontal accuracy groun...

David Livingstone, post: 419894, member: 431 wrote: In Illinois they actually updated benchmarks with level runs across the entire state. Of course t...

Perhaps a more specific reference is: It includes the famous image of Dr Pollard in the San Joaquin valley in California, the site of maximum subside...

When you mention using Posted benchmarks, I hope you are not referring to POSTED benchmarks using the NGS nomenclature. See page 8 of the following PD...

FWIW, I show above extracts from the files used in the adjustment portion of a submission to the NGS. They are all plain text files. Programs search f...

For definitive and current information on the issue contact your NGS Regional Advisor Bill Stone. See above. For work in Colorado, Pamela Fromhertz is...

I am not the originator of this notice. Just passing it on as I did not see mention previously.As for later viewing, all the NGS webinars are subseque...

FWIW,I would certainly not meet up with the thief alone especially now that you have received your settlement. I share you hard feelings about such ev...

FWIW,I copied a PDF version of the article referenced in my earlier post here: Cheers,

As Paul in Pa indicates, this is a venerable source. When I first started studying GPS this was a resource I acquired (in print as bound photocopies o...

FWIW,It does not seem to be available as a PDF. It is in the UNB Library. The UNB Lecture Notes and Technical Reports pages do not show it. See: You ...

FWIW,I agree that given the same inputs a program should return the same results. Since you state that there are differences in the number of observat...

BTW, another excellent resource to modeling and conventions used in GNSS processing are IERS Conventions available here: ( see No. 32)

PAGE-NT is an interface for a large set of individual programs. Many of these programs were written to implement IGS conventions, implement various f...

To satisfy my need to complete things, I provide the following...Having returned home and with access to my computers, I dug up the two resources I me...