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AI agent for land surveyors

GNSS Data Quality Triage Agent

Accept only points that meet the project's accuracy and reobserve the rest.

Quality controlReal estate and construction
See how it worksGet access
GNSS Data Quality Triage Agent: what goes in, what the agent does and what you get

What it does

A bad GNSS shot under tree cover looks like any other point on the data collector. This agent reads the session logs and checks precision, PDOP, number of satellites, fix type and occupation time for every point. It flags weak shots, and for each one it suggests a better time window using the satellite forecast, or a different method. It rechecks the points after the second session, and compares repeat shots. You approve which points are accepted. Edge case: a shot has a good horizontal value but a vertical value 3 times the limit, and the agent flags it as weak.

How it works

Follow the arrows from top to bottom. The orange dashed arrow is the loop: when a check fails, the agent goes back and tries again.

Start and resultWhat it doesA check on its own workWaits for your OKGoes back and retries
Yes, continueApprovedYes, continueApprovedNoNo 1 STARTS WHEN GNSS session is downloaded 2 USES A TOOL Read the logs and point list 3 DOES Check precision, PDOP, satellites, fix and time foreach point 4 CHECKS THE RESULT Does every point meet the project limits? If not: List the weak points with the failed limit. Backto step 3. 5 DOES Check the satellite forecast and propose are-observation time or method for each weak point 6 YOU APPROVE Surveyor approves the re-observation plan 7 USES A TOOL Read the second session data 8 DOES Compare repeat shots with the first 9 CHECKS THE RESULT Do the points now meet the limits and agree? If not: Keep the weak points open and repeat the plan.Back to step 5. 10 YOU APPROVE Surveyor approves the accepted points 11 RESULT Point quality report
Read the steps as a list
  1. GNSS session is downloaded
  2. Read the logs and point list
  3. Check precision, PDOP, satellites, fix and time for each point
  4. Does every point meet the project limits?If not: List the weak points with the failed limit. Back to step 3.
  5. Check the satellite forecast and propose a re-observation time or method for each weak point
  6. Surveyor approves the re-observation planThe agent waits here for your OK.
  7. Read the second session data
  8. Compare repeat shots with the first
  9. Do the points now meet the limits and agree?If not: Keep the weak points open and repeat the plan. Back to step 5.
  10. Surveyor approves the accepted pointsThe agent waits here for your OK.
  11. Point quality report

How it decides

It tests every point against the limits and flags those that fail any of them. It compares repeat observations before accepting a point.

  • Horizontal under 0.05 ft and vertical under 0.1 ft (default)
  • PDOP above 3 is flagged
  • Repeat shots must agree within the tolerance
  • Fix type must be fixed

Make it yours

Every agent is a starting point. You choose these settings for your own situation.

  • Accuracy limits
  • PDOP limit (default 3)
  • Minimum occupation time
  • Repeat tolerance
  • Satellite forecast source

What keeps you in control

It always asks you first

  • Re-observation plan
  • Accepted points

Hard limits

  • Never accepts a point itself
  • Never changes raw data
  • Records every limit

It stops when

  • Done: all points meet limits
  • Stop: site conditions prevent GNSS; surveyor uses another method

Set it up

We guide you through the set-up, step by step

Members get the full set-up guide for this agent. No technical skills needed: you copy, paste and upload.

10 minto set it up in your AI
5 AIsChatGPT, Claude, Copilot, Gemini, Grok
  • One set of instructions to paste into your AI, with the clicks for ChatGPT, Claude, Microsoft 365 Copilot, Gemini and Grok
  • The agent then walks you through connecting your own data, one source at a time
  • A downloadable copy with the flow chart, the rules and the full guide
Get access to this agent

An example run

What happensAt a wooded site, 30 shots were taken. Six had a vertical value of 0.31 ft against a 0.10 ft limit, and PDOP of 4.8. The agent proposed a 7 a.m. window with 11 satellites. After the second session, two points were still 0.13 ft, so the check failed. The surveyor approved total station for those two and accepted the rest.

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