Cory Barnhart
  • Male
  • Snohomish, WA
  • United States
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Cory Barnhart replied to Mohammad Salem's discussion Does prism type effect Leica TS11 measurement accuracy?
"The mini and the regular circle prism should have the same accuracy but the 360 degree prisms are typically 6" or 8" rated so aren't advisable for long traverses"
Jun 11, 2018
Cory Barnhart replied to Mohammad Al turk's discussion Express way As Built Transmittal ( How to check)
"They'll want contours and lane striping on the road through the back of sidewalks or edge of right-of-way"
Jan 29, 2018
Cory Barnhart replied to Mohammad Al turk's discussion Express way As Built Transmittal ( How to check)
"A full topographic map of the changes with all the utilities shown in plan view on the map and profile view on its own sheet. Pay extra care to wheelchair ramp elevations. They should have a list of requirements for their as-built needs"
Jan 29, 2018
Cory Barnhart replied to Joel van Cranenbroeck's discussion RTK and POST-PROCESSING GNSS for free
"We're curious at my surveyong firm to get into drone technology. Can you actually define smooth curbs, flowlines and roads with them now?"
Jan 27, 2018
Cory Barnhart joined Jaybird's group
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Washington Land Surveyors (LSAW)

Washington State Land Surveyors group is for professional land surveyors,LSAW and LSU members who live and work in the state of Washington, USASee More
Jan 27, 2018
Cory Barnhart replied to Mohammad Salem's discussion Civil 3D 2017 do not show up the real surface as it's on the site!
"Enable yout tin (triangle) view and manipulate those so that none cross your breaklines, the tin has to run along all the breaklines"
Jan 27, 2018
Cory Barnhart replied to Kevin Hughes's discussion Code list
"I use free codes but I'm able to be extremely consistet with it so my field to finish still works perfectly. No one from our field crew can do that so I have them using a codelist I loaded into their DCs"
Jan 27, 2018
Cory Barnhart replied to Lord Byron abriz's discussion Trimble Post Processing in the group Trimble Support Group
"If you dont have post processing software you can upload your datalogs to I use rinex2 format for our logs and it auto id's it. Probably accepts other formats as well."
Jan 27, 2018
Cory Barnhart joined Jaybird's group
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Trimble Support Group

This group is for LSU members who use Trimble in the field. This group is for discussions and tutorials related to Trimble user.LSU is not directly affiliated with Trimble and all logos and imagery are copyright of their respective owners.See More
Jan 27, 2018
Cory Barnhart replied to Heidi Jackson's discussion Leica Infinity Software -Shift, Rotate, Scale
"I dont know that software but it should have basic COGO functions. You would translate your local base point that you want to hold positionally, then apply the change to only the points in your local system. The you would rotate about that held…"
Nov 15, 2017
Cory Barnhart replied to DANIEL MCCARTHY's discussion inconsistent RTK elevations
"RTK solutions are typically only good to about 0.1' vertically, thats why you're seeing so much of a difference. A rapid static solution at least 16m long (for OPUS processing) or conventional methods are your best bet"
Nov 11, 2017

Welcome to the Surveying CommunityThis marks the beginning of a surveying legacy for our new Land Surveyors United member, Cory Barnhart. Welcome Cory Barnhart Your legacy in surveying will forever be remembered starting here. If it weren't for this member, we may have never known surveying culture in their corner of earth.

Nov 11, 2017

Profile Information

I am here because I am a.
Surveyor Bio:
Licenses Certifications or Awards
I have experience with the following
GPS, cadastral, topographic, boundary surveys, construction staking, topographic surveys, control network surveys, ground movement monitoring, GIS, Survey Office, Software Development, Construction
How many years have you been surveying?
Most comfortable with the following types of instrumentation
Total Stations, GPS, Surveying Software, Robotics, GNSS, theodolite, Lidar, Chain, compass

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