Objective of Lesson 9

Introduction

Errors

• Systematic Errors and Corrections

• Correction for Absolute Length
  • Example
• Slope Correction
  • Example
• Correction for Temperature
• Correction for Tension
• Correction for Sag
• Correction for Incorrect Alignment
• Combined Correction
  • Example
• Reduction to Mean Sea Level
• Random Errors
  • Example

Optical Distance Measurement

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