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ashton
@ashton
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Joined: July 21, 2010 4:18 am
Topics: 41 / Replies: 521
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RE: Antenna reference point question

@bill93 Thinking about it, I believe the arrival of the various signals are timestamped against the receivers internal clock. This is known to be inac...

3 years ago
Topic
Replies: 13
Views: 4
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RE: Geodetic Astronomy revival

@bill93 About MICA: the Delta-T file is out of date, so you would have to work in Terrestrial Time (formerly known as ephemeris time) and correct for ...

3 years ago
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RE: Notarize a digital drawing

@ppm How land surveyors and other design professionals are allowed to sign electronic drawings are all over the lot (pun intended). There are some met...

3 years ago
Topic
Replies: 2
Views: 4
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RE: GLONASS, GNSS, Ukraine

If surveyors needed to go back to astro observations, I'll bet the first problem they would find is the supply chain wouldn't be able to keep up with ...

3 years ago
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RE: Private well distance from property line

I found what might be the HUD document. The link to the relevant handbook is The document appears to require that wells be at least 10 feet from a pr...

3 years ago
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RE: So you found a monument 0.XX' from where you calculated it...

@lunarfaze I don't think the intent is to give homeowners and town employees an abstract number of 40 feet located somewhere, with a surveying degree ...

3 years ago
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RE: Group delay & Phase advance (GPS vs Ionosphere)

As for group delay and phase advance, I'm not able to give a full derivation, and an online forum isn't a convenient place to write a scientific paper...

3 years ago
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RE: California Question Re. PE Act 6731.1, and Civil Engineers Doing Work Traditionally Reserved for Land Surveyors

A broader question is the case where one of the laws about professions and occupations allows members of a certain occupation to do X, but another law...

3 years ago
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RE: Sample question question

@ric-moore "The manner in which this question is written wouldn't (shouldn't) pass normal psychometric item criteria used by NCEES." Are these criter...

3 years ago
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RE: surveyors records

@jacavell Generally, works created by employees of the United States are not eligible for copyright protection; they are in the public domain. This is...

3 years ago
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RE: DUT UT1

@shawn-billings I just listened. The tick for second 9 is doubled.

3 years ago
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RE: Stamp recommendations

Congratulations. Consider what media, if any, you will be stamping. The inks that work on paper don't work well on mylar. There is special ink that i...

3 years ago
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RE: Need a critique of my software

@jschuchert Sorry, I have very little tolerance for buggy installation procedures. I will not be looking at this any further.

3 years ago
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RE: Need a critique of my software

I tried installing it on Windows 10 64 bit. It seemed to install OK. When I tried to run it I got the following error message: Component MSCOMCTL.OC...

3 years ago
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RE: Linear Regression with Ordinary Least Squares

@field-dog I find it a bit confusing to say you are holding the endpoints of the line segment, and at the same time, list offsets for them. It would s...

3 years ago
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RE: Digital Certificates

@andy-j There is an Adobe web page that demonstrates that Adobe has several options for digital or electronic signatures, so Adobe is different from i...

3 years ago
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RE: Cut and paste as plain text

@wendell Thanks. I tried the right-click technique in Firefox and the default Windows right-click menu appeared; nothing about paste-as-text.

3 years ago
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Replies: 2
Views: 5
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