adam Cralle
  • Male
  • Midland, TX
  • United States
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adam Cralle replied to Mat Win's discussion Map Projections???
"" officially" the EPSG governs projections however with respect to survey data and geodetics in general, the rabbit hole goes much much deeper. Educate yourself on the difference between ellipsoid and geoid models and the processes…"
Jul 30, 2014
adam Cralle joined Jaybird's group
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Texas Land Surveyors (TSPS)

Texas Surveyors Group is a Surveyor 2 Surveyor support group for TSPS members on the network, professional land surveyors and LSU members who live and survey in the state of Texas, USA. Tell us what its like to be a Texas Land Surveyor!See More
Mar 12, 2014
adam Cralle replied to Jim Ratermann's discussion OPUS corrections
"AS FAR AS ARP, ECT..., YOU SHOULD USE A RINEX FORMAT AND CONSULT YOUR  MANUFACTURER FOR THE CORRECT ARP AND ANTENNA NAME. IF THAT IS CORRECT, YOU ELIMINATE ANY "SETTINGS" QUESTIONS FROM YOUR PROBLEM. THIS IS A GPS STANDARD. END OF…"
Mar 12, 2014
adam Cralle replied to Jim Ratermann's discussion OPUS corrections
"an OPUS  solution is really just a 3-point re-section.  To achieve even greater accuracy you need to observe a closed loop network to each desired rrp so you check your closure.  - ONE THING YOU CANT DO WITH AN OPUS SOLUTION."
Mar 12, 2014
adam Cralle replied to Jim Ratermann's discussion OPUS corrections
"just my "shoot from the hip" response,---  .>0.22 horriz & >0.65 vert."
Mar 11, 2014

Welcome to the Surveying CommunityThis marks the beginning of a surveying legacy for our new Land Surveyors United member, adam Cralle. Welcome adam Cralle 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.

May 6, 2013

Profile Information

I am here because I am a.
Just a surveyor
Surveyor Bio:
Its a tough world out there.
Location for Member Map
midland tx
I have experience with the following
GPS, cadastral, topographic, boundary surveys, construction staking, topographic surveys, control network surveys, ground movement monitoring, GIS, teaching, Survey Office, Software Development, Aerial, Equipment Repair, Construction, Machine Control, Seismic
How many years have you been surveying?
20 years
Most comfortable with the following types of instrumentation
Total Stations, GPS, Surveying Software, Robotics, Automatic Levels, GNSS, Machine Control, Old school surveying, theodolite, Lidar, Chain, compass

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