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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: February 21, 2025 10:36 pm
Topics: 67 / Replies: 842
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RE: Early Irrigation Projects - how'd they do that?

@mike-berry, often wondered that myself. I suspect once they decided on the diversion point it was try and follow a gradual contour, but did they have...

4 weeks ago
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RE: RTK GNSS over cellular data link

@mightymoe No, but thinking about it. I have used an Inmarsat data terminal, basically a hotspot that outputs wifi from a satellite connection rather ...

11 months ago
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RE: The state of the Profession (in Oregon)

Fellow Oregon PLS. My hats off to you for stepping up and taking the PLS route. Among drone companies as you note, extremely rare and most are either ...

1 year ago
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RE: Deral "TrimbleMan" Paulk has passed away

Wendell, I was posting same thing at same time, I deleted my post and will leave my comments here. I communicated with Deral many times over the years...

2 years ago
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RE: Bipod maintenance

Leica makes a GSR2 Dual-Strut Survey Bipod Support for Plumbing Poles that will last decades with little more than drying after getting wet. The legs ...

2 years ago
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RE: How Long Between GPS Control/Boundary Corner Occupations?

The ODOT linked study that @rover83 posted is the most recent (2021) extensive paper of such things that I am aware of. On Page 48 you will find the ...

2 years ago
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RE: R12i as a Rover using RTK & Infill - IMU must be disabled

FYI, Leica's GS18i works similar, you can NOT log raw data with IMU on, it forces you to either use IMU with no raw data stored OR turn IMU off and th...

2 years ago
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RE: UAV Log Book

I ended up using DroneLogBook (DLB), BUT could never get the cloud sync to work, everybody pointing fingers (FYI, that is the reason I am hardcore ins...

2 years ago
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RE: Leica 1200 end of life

I have a pair of 1200's new in 2007. This post prompted me to check and see what firmware, etc. I had loaded, they have been dormant since 2021, but I...

2 years ago
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RE: LGO & Leica GS18T

We moved to a GS18i almost two years ago and got a seat of Infinity, so I haven't really tried LGO with GS18i data. There are lots of things that prob...

2 years ago
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RE: Distance from GPS Base to Radio Repeater

You might look at using a low power spread spectrum 900Mhz radio, less interference, no frequency coordination with FCC required and line of sight is ...

2 years ago
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RE: Right of Entry vs. Private Airspace

There is another paragraph in ORS 837.380 that would seem to allow a surveyor to operate over private property. (3)A person may not bring an action u...

2 years ago
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RE: Very annoying "feature" on new Jeeps and Fords

That start stop is all EPA driven, never mind the miniscule fuel saved is going to be way offset by more frequent starts and batteries that the owner ...

2 years ago
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RE: Used Equipment Dealer?

Not much to report, the transaction was smooth and the pole I bought better than I could hope for (a carbon fiber pole for about 20% of new, that was ...

3 years ago
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RE: How much has a recession effect survey demand?

Very true. I finally took a job driving commercially in 2013 and that took me until 2015 when surveying here in Oregon got busy enough to support me f...

3 years ago
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RE: Wild Heerbrugg (Leica) Traverse Kit with hard case

Leica has had that offset going back 40+ years, why it wasn't adopted by everyone is a bit of a mystery. Once you understand why they did the 34.5 mm ...

3 years ago
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RE: Used Equipment Dealer?

Canada, not US based, but they ship to US and while I have only purchased once, it was a good experience. SHG

3 years ago
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RE: 400' AGL

@pkm04558 yep, but not all UAV's are set up as nice as the Wingtra, definitely a nice platform and actually some thought into mapping by the engineers...

3 years ago
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RE: 400' AGL

@flga-2-2 true, but that seems impractical for every flight. I understand the 400' AGL and it is a good rule since other than take off landing cycles,...

3 years ago
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RE: 400' AGL

Based on the FAA exact response; "The 400 ft AGL operating limitation is based on the altitude beneath the drone at any time", I think it is obvious i...

3 years ago
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