Locating buried utility lines
- Different locating technique
- Advantages of electromagnetic location
The two most common questions
- How far can a transmitter signal be traced?
- Accuracy of electromagnetic location technology and Radiodetection locators
Theory of electromagnetic location
- Basic electromagnetic theory
- Earth return current, AC signals and capacitance
- Active and passive signals
- Passive signals
- Active signal application
- Tracing non-metallic pipes
- Detection and location of signal sources
- The twin aerial antenna and depth estimation
- CM current measurement
- CD current direction
- Cable Fault-Finding