Basic Qualification · B-001 Regulations and policies · B-001-017-008
Sur 630 mètres et 2200 mètres, quelle caractéristique fondamentale de l'antenne doit être considérée pour respecter la limite de puissance exprimée en puissance isotrope rayonnée équivalente (PIRE)?
- ALa largeur de bande
- BL'impédance
- CLa résonance
- DLe gain
Correct answer: D — Le gain. Question tirée de la banque officielle d'ISDE.
Why
Gain describes how an antenna focuses energy in a specific direction, which directly changes the effective power radiated even if your transmitter output stays the same. The full explanation — and one for every question — is in Pro.
Practise this section
Regulations and policies is section B-001 of the Basic exam: The rules: who may operate, what the certificate allows, station identification, third-party traffic, what you may and may not transmit, and how ISED regulates the amateur service.
Drill B-001 — free, no account