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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: Topo blunder

I'm not sure how you get two bases with the same horizontal??

9 years ago
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RE: Topo blunder

I know you say you notice things on the screen, but my guess is this one time you didn't. I have no new input except my money is that the equipment e...

9 years ago
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RE: FCC License Emission Designator (RTK Radios)

As I recall we renewed our license ourselves, or I should say our secretary did it and I helped her.

9 years ago
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RE: FCC License Emission Designator (RTK Radios)

Shelby, when I looked up our license, we had renewed it in 2012. I think this was right after we narrow banded?? I know I had a heck of a time comin...

9 years ago
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RE: FCC License Emission Designator (RTK Radios)

Shelby, I looked ours up and we used 19K6F1D and we run between 461.025 and 434.50. We are running a Topcon branded radio but before we bought it I d...

9 years ago
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RE: Raster image insertion into C3D

There is something called Lizzard Tech. Geoviewer, I think its free, that is helpfull in manipulating images, and I think you can change the resolutio...

9 years ago
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RE: GPS RESULTS 3-4 FEET HORIZONTAL AND VERTICAL

I'd say check your geoid model also, but it seems this would just cause a vertical problem.

9 years ago
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RE: Survey Measurements GPS and Total Station

My procedure, I'm not sure what the results in Florida would be, is to get a scale factor out of the data collector. If I use this scale factor, my t...

9 years ago
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RE: Sealed Lead Acid battery life

I've tried the gell cells and not really got any better life than a large deep cycle battery designed for boats. The gell cells cost more but they al...

9 years ago
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RE: Pin cushion of the day

What I normally do in a case like this is take an average of the postions of all the monuments and set a new one. I just make sure mine looks newer a...

9 years ago
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RE: Stay out of manholes

We have a company policy against going in them unless you have the training and equipment.

9 years ago
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RE: Town corner

People get hung up on rules, most of these times these rules only exist in their own minds. In this case, the rule in some peoples minds is the secti...

9 years ago
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RE: Any post-leap-second reports?

We have a HiperII system with our own base and it wouldn't work on Jan. 4th. It wouldn't fix even though I had 12 sats and 100% radio link with the b...

9 years ago
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RE: Tallest GNSS Antenna Installation

Not my cup of tea? I could barely watch the video.

9 years ago
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RE: Why Should a Surveyor Use Civil3D?

To answer one of your questions, C3D does have least squares. I've never seriously tried to get it to work. I think it would be possible but who kno...

9 years ago
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RE: Why Should a Surveyor Use Civil3D?

C3D generally does what I want it to but I know I can't get the traverse balance routine to work well, if at all. We don't use it very often so I hav...

9 years ago
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RE: Digging in hard soil, pavement, etc,

We have one of the Thunderbolts also. Great tool with the heads that can be changed. Ours has started to fall apart, we had to do some welding on it...

9 years ago
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RE: weeping for our profession (or: observations from the other side of the curtain)

Taking criticism is one of the hardest things to do in life, surveyors are no exception. If I truely have a mistake on my plat, I always thank the pe...

9 years ago
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