Direction finding technology – Basic training

Technology training

Course ID: DFBas-000-01-TEC
Classroom training

1 day

Max. 12

English

Objectives

  • State the history of direction finding (DF) and different technologies
  • State the principles of operation for different DF technologies
  • Differentiate several frequency bands and understand the various influences on them
  • Understand HF DF and the importance and functioning of the ionosphere
  • Understand triangulations/baseline DF/best points
  • Interpret DF rosette displays
  • Understand site influences on direction finding

Course information

Target group

Operators and maintainers of direction finding systems

Prerequisites

Basic knowledge of radio communications and basic physics principles

Content


Theoretical

  • Origin and development of various DF technologies and techniques
  • Principles of Watson-Watt direction finding
  • Principles of Doppler direction finding
  • Principles of interferometric direction finding
  • Principles of TDOA direction finding
  • The sun and its importance on radio communications
  • The frequency band and its various influences
  • Reflections, diffractions and refractions
  • The ionosphere
  • Triangulations/baseline DF/best points
  • DF rosette displays and how to interpret the information shown
  • DF siting and influences – ITU spectrum monitoring handbook