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david-livingstone
david-livingstone
@david-livingstone
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Joined: July 22, 2010 12:44 pm
Last seen: June 2, 2026 12:10 pm
Topics: 48 / Replies: 1088
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RE: True north

I used JaRo's method, which is of course brilliant in its simplicity.?ÿ I'm west of the principal meridian in Illinois and after I used this method an...

7 years ago
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RE: True north

It for the foundation of the tower. ?ÿI already know based on the past history of this project no one will be able to answer any of my questions. ?ÿI ...

7 years ago
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RE: Talking someone off a ledge

Iƒ??d want most of the money up front.

7 years ago
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RE: True north

I think I found a program called NCAT on the NGS website that gives the convergence angle.

7 years ago
Topic
7 years ago
Replies: 18
Views: 1562
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RE: Better take another look at the plans

I'm pretty sure someone hired a Fung Shui consultant to design that parking lot.?ÿ I bet if you walk out there it just feels...ƒ??ƒ??ƒ??...right.

7 years ago
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RE: Can Obstructions Below GPS Height affect measurements and calculations

The couple of times I've really had problems with multipath was around water.?ÿ This was also more than 10 years ago and I suspect the improvements in...

7 years ago
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RE: How practical is it for someone who is not a professional surveyor to own a surveying company?

I'm betting a lot of engineering companies have owners of which none may be land surveyors.?ÿ?ÿ As long as the owners let the surveyor do his job as r...

7 years ago
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RE: A former client of mine is suing the city

The entire thing sounds like a joke and the city should forget the requirement.?ÿ Seems like in a case like this the city should wave any requirement....

7 years ago
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RE: Disgustingly survey related

I have a Dodge Challenger I only drive once in a while.?ÿ Earlier this summer I took it shopping and left a bag that had 2lbs of hamburger and two New...

7 years ago
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RE: Can Obstructions Below GPS Height affect measurements and calculations

First off I always use a mask angle of some kind, usually 10 or 12 degrees.?ÿ I have seen multipath give bad results using RTK, but it was always in a...

7 years ago
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RE: How big is the Big Fill?

So it looks like they were off by a factor of 10.?ÿ I read Undaunted Courage and found it to be a tough read but made it all the way through it.?ÿ I'v...

7 years ago
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RE: Civil 3D training questions compilation

My general experience with a traverse adjustment in C3D is crash, followed by a reboot.?ÿ As far as I know it doesn't work.?ÿ

7 years ago
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RE: The terrible, horrible places and conditions we are forced to work in

Around here if you get tired of looking at the corn fields, there are the exciting soy bean fields. ?ÿ

7 years ago
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RE: I'm trying not to scream.

If you were closer I'd offer to bring my John Deere tractor over and erase that sign for you.

7 years ago
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RE: Civil 3D training questions compilation

One thing I found is that making a surface and contours is better in C3D.?ÿ When you make changes, such as say adding a break line, the contours chang...

7 years ago
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RE: Civil 3D training questions compilation

You might want to get some ideas or see if the trainer has a base drawing set up.?ÿ If you have a good drawing to start with it helps, that way some s...

7 years ago
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RE: GNSS Issues October 1 2019

I looked at the mission planning and it looks like I should have been tracking 20 something satellites, which it was tracking them, but just using 12 ...

7 years ago
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RE: GNSS Issues October 1 2019

I was using a base rover Trimble R10 today and it seemed like I was tracking less satellites today, its not uncommon to have 18 to 21 and today it was...

7 years ago
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RE: GNSS Issues October 1 2019

I was running Trimble R10's today as base/rover, for about an hour no problems but these are only about 4 months old.

7 years ago
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