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shelby-h-griggs-pls
shelby-h-griggs-pls
@shelby-h-griggs-pls
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Joined: July 8, 2010 11:49 am
Last seen: May 7, 2026 10:55 pm
Topics: 67 / Replies: 867
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RE: Former contributors to this site and predecessors---deceased

Some of the folks that used to be frequent here have moved to Facebook, Twitter, etc. SHG

5 years ago
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RE: Your longest shot with a total station

Around 27000 feet with a Wild T2000 with scope mounted DI5L. That was considered a modular TS back in the early 1990's when I did the shot. Out in Wy...

5 years ago
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RE: Man sues NC Survey Board after being issued cease and desist for flying drone

As written he is in violation of NC law as I read it (and probably most states that adopted some form of the "model law". So, stop or get law changed ...

5 years ago
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RE: Emlid Reach

@rover83 agree with you, I have been there, when data collector, software and hardware are all different, it can be a real kludge getting anything fix...

5 years ago
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RE: Emlid Reach

@dmyhill re: tilt. I thought any of the units with tilt using an IMU might be calibration free. Without that, I agree probably better off not using it...

5 years ago
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RE: Emlid Reach

@dmyhill true, but maybe not as bad as in past. Having just purchased a Leica GS18i, the base unit was $18,800 and that would include IMU tilt. Addin...

5 years ago
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RE: Leica GS18 and BeiDou

Addressed starting around the 10 minute mark in this video. SHG

5 years ago
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RE: Emlid Reach

The MNDOT test is a bit dated and apparently the brands might be same, but not equipment. They appear to have tested L1 only receivers. Overnight it ...

5 years ago
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RE: RTK Rover Switching Base Stations

I have seen RTN's NOT pick the closest CORS, if working a small area, and close to a particular CORS, you might just use the one you want, BUT be care...

5 years ago
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RE: GNSS Offset?

Is this just a subset of the data shifted? I once found a string of street furniture all shifted that the crew collected, about 100% sure it was a bad...

5 years ago
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RE: 2021 PLSO (Oregon) Conference

@dougie kind of wished I had known about this before signing up for PLSO, I actually wonder why Oregon didn't join the regional one? SHG

5 years ago
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RE: Tunnel surveying

Worked at a place that had on in 1982-83, different model, mounted on top of standards of a T2 like an old top mount EDM. Never used it, IIRC, accurat...

5 years ago
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RE: CAD vs NCAT Conversion

@cordgrass NCAT and previously NADCON are the official transformation between NAD27 and NAD83. This software uses a table of lookup values between kno...

5 years ago
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RE: Poles/Bipods, etc. Manufacturers

@bstrand If you have one watch, you know what time it is, two or more, which one is wrong... One bubble you are level, two or more, which one is wron...

6 years ago
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RE: Poles/Bipods, etc. Manufacturers

@tom-bushelman $850 and it looks like it a package, so no go with other poles best I can see.

6 years ago
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RE: Poles/Bipods, etc. Manufacturers

@oldpacer well they say so, so I guess I would say yes until proven otherwise. that one isn't the no crush head and it is aluminum. Leaning toward th...

6 years ago
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RE: TS12 Stolen

Won't help recover this instrument, but Leica is now optionally offering a tracking solution for total stations.

6 years ago
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RE: Equipment Lifecycle

@mark-mayer thanks! It was a big investment in 2000 and it has worked very well. Originally I planned on maybe 10 years, but with good maintenance it ...

6 years ago
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