T9: Antennas
Antennas and feed lines
2 Topics
23 Questions in this pool
2 Questions from these topics will be on your exam
T9A: Antennas
Antennas: vertical and horizontal polarization; concept of gain; common portable and mobile antennas; relationships between resonant length and frequency; concept of dipole antennas
12 Questions in this topic
1 Question on your exam
T9B: Feed Lines
Feed lines: types, attenuation vs frequency, selecting; SWR concepts; Antenna tuners (couplers); RF Connectors: selecting, weather protection
11 Questions in this topic
1 Question on your exam