Basic Qualification · B-006 Feedlines and antenna systems · B-006-002-008
What device should you use to connect a coaxial cable to window line?
- A A surge suppressor
- B A phasing harness
- C A tuning stub
- D A balun
Correct answer: D — A balun. From the official ISED question bank, verified word for word.
Why
A balun is the right device because it bridges the gap between coaxial cable, which carries unbalanced signals, and window line, which carries balanced signals. The full explanation — and one for every question — is in Pro.
Practise this section
Getting the signal out: antennas, feedlines, SWR, baluns, matching, and why antenna length depends on frequency.