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  1. Radiodetection Support
  2. Knowledge Base
  3. Precision Locators
  4. The theory of buried cable and pipe location

The theory of buried cable and pipe location

  • Different Locating Techniques      
  • Advantages of Electromagnetic Location
  • The Signal, AC or DC?
  • Electromagnetic Induction
  • Capacitance Effects
  • Ground conductivity
  • Effects of AC Frequency
  • Practical Implications of Capacitance, Ground Conductivity and AC Frequency
  • Passive and Active Signals
  • Passive and Active Location
  • Electrical Power Frequencies
  • Radio Frequencies
  • Direct Connection
  • Induction
  • Clamping a Signal to a Line
  • Choice of Frequency for Active Location
  • Tracing Non-Metallic Pipes
  • Detection and Location of Signal Sources
  • Horizontal Antenna
  • Vertical antenna
  • Sonde signal characteristics
  • The twin aerial antenna and depth estimation
  • CM Current Measurement
  • CD Current Direction
  • How far can a transmitter signal be traced?
  • Accuracy of electromagnetic location technology and Radiodetection locators
  • Cable Fault-Finding
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