1 BASIC ELECTRONICS Insulators and Conductors Resistance Capacitance Inductance Semiconductors Signal Shaping Operational Amplifiers Transformers Amplifiers and Oscillators Power Supplies Digital Devices and Systems Displays Measuring Instruments 2 NAVIGATIONAL AIDS - THEORY AND FAULT FINDING Micro Computers Gyro Compass Autopilot Steering Gear Echo Sounder Speed Log Automatic Identification System (AIS) Long Range Identification and Tracking (LRIT) Global Positioning System (GPS) Differential GPS Loran C eLoran Radar Automatic Radar Plotting Aid (ARPA) Electronic Chart Display and Information System (ECDIS) Voyage Data Recorder (VDR) Navtex Fault Finding in Bridge Equipment Systems 3 RADIO COMMUNICATIONS Radiation and Propagation Amplitude and Angle Modulation Radio Transmitters Radio Receivers Receiver Characteristics Global Maritime Distress and Safety System (GMDSS) 4 QUESTIONS AND ANSWERS.