Basic Qualification · B-003 Station assembly, practice and safety · B-003-010-005
Lequel des modes d'émission suivants exige une syntonisation précise du récepteur (en dedans de 100 Hz)?
- ACW
- BBLU
- CAM
- DFM
Correct answer: B — BLU. Question tirée de la banque officielle d'ISDE.
Why
SSB, or single sideband, strips away the carrier wave and one side of the audio signal, leaving only a narrow slice of information. The full explanation — and one for every question — is in Pro.
Practise this section
Station assembly, practice and safety is section B-003 of the Basic exam: Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.
Drill B-003 — free, no account