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dave-o
dave-o
@dave-o
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Joined: November 2, 2015 10:02 pm
Last seen: June 3, 2026 11:59 am
Topics: 40 / Replies: 473
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RE: ALTA/NSPS Land Title Survey Terrestrial scanner and Table A, Item 15

I've always taken that to mean that when you're doing the CAD and find that an area of topo wasn't shot and there are 3 points that locate "WM" at the...

2 years ago
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RE: 10" shift in RTK GPS coordinates

What are you using HTDP for? If transforming between reference frames, recognize that it will not give good results if transforming NAD83 realizations...

2 years ago
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RE: quick RTK Base/Rover question

Thanks, all. Good food for thought. I do admit I can't see how I'd have any better precision with either setup, but thought I'd have more opportunit...

2 years ago
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Replies: 8
Views: 2113
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RE: Best source for programming HP35s calculator

I've got a pdf I could probably post somewhere if you want to go the tedious route of doing it yourself.

2 years ago
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RE: Am I the only one who thinks this is wrong?

Our state regulations require describing the POB in a certain manner and proceeding clockwise. We're south azimuth, so swapping of N/S E/W doesn't co...

2 years ago
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RE: Is This Fair/Legal?

I'd say it'd be a good explanation for why your 'higher property value area' or 'higher necessity of accuracy area' surveys are so much more expensive...

2 years ago
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RE: What to do with calls for off line monuments along a senior line?

My inexperienced first thought would be that we 'merely' provide evidence and don't change what's on the ground or on record unless we find ourselves ...

2 years ago
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RE: OPUS variation

Great idea. I don't have TBC yet - it's actually something I'm saving for and have been watching tutorials and such to help prepare for the day I can...

2 years ago
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RE: OPUS variation

Good idea. Yeah, we're pretty sparse. I give it another try in a few. Looking at the distances from my base: each had one at 163.26 miles and 37.57 ...

2 years ago
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RE: OPUS variation

Good points. Thanks. I also just noticed that in the 2 OPUS reports, where they show the Base Stations used, they share 2 of 3 and the third base st...

2 years ago
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RE: OPUS variation

<i style="background-color: transparent; font-family: inherit; font-size: inherit; color: var(--bb-body-text-color);">No, that’s not normal, exp...

2 years ago
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RE: OPUS variation

I think 8-10 satellites is pretty bad. I’m assuming that’s an instrument or software limitation and not the result of having the base in a bad spot.Al...

2 years ago
Topic
2 years ago
Replies: 19
Views: 1393
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RE: Completely Out of Control

Thanks to all for your time in this discussion. Very helpful in wiping a couple more cobwebs from those lonely parts of my brain. Mahalo.

2 years ago
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RE: OPUS BETA-S 5.0.0

Why just the beta version? I sent 2 sets of (2+ hr) data to both beta and current versions last week (same station) and got ~ 0.7 to 2.1 cm differen...

2 years ago
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RE: convert from HARN

@chris-bouffard Man, I wrote a long descriptive message to you RE what "just a basin" meant, ie what it is, what data I asked for and didn't get, how...

2 years ago
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RE: convert from HARN

"I don’t even know what that statement means..." Thank you, Chris. My terse statement there was just that this is a 180+ acre undeveloped property whe...

2 years ago
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