Grid to Ground - Live Online - September 21, 2021

$250.00 USD

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Date: Tuesday, September 21, 2021

Time: 8:00 am to 12:00 pm (MST)

Trimble Certified Trainer: Dustin Hoaglin, PLS

Location: Microsoft Teams (Online)

You can join a Teams meeting anytime, from any device, whether or not you have a Teams account.  Instructions to join the class will be provided.


Our old nemesis! To this day, Grid to Ground remains the most misunderstood and confusing aspect of modern measurement. The Vectors team answers more questions on Grid to Ground than any other support issue…Period! This class is designed to provide education, clarity, and procedures to follow when calculating or checking Grid to Ground relationships.

This class will cover the following topics:

  • Theory
  • Projections
  • Scale factors
  • Inverse relationships
  • Keying-In control diagrams (DOT)
  • Creating your own control diagrams
  • Low distortion projections
  • Data analysis (QC)
  • Geoid models and orthometric heights (elevation) 
Vectors EDU and Trimble Certified Trainer