62-01. BASIC RADIO PROPAGATION THEORY
All questions: 82
In mode TRAINING show all questions of the discipline with correct answers presentation. To go to the next question, click the “Next”.
Questions for exams: 30
In mode Exam correct answers are not shown, after choosing the answer, transition to the next question occurs automatically.
1. A half wave dipole aerial suitable for transmitting an RF signal at 18 MHz should have an effective length of:
2. The gain of an aerial is a measure of its ability to:
3. The skip zone of HF-transmission will increase when the following change in circumstance occurs:
4. The Microwave Landing System (MLS) uses the following wavelengths:
5. The wavelength of a radio signal transmitted at the frequency 118,7 MHz is: