T Technician
11 / 11 units
Entry licence: VHF/UHF voice and data, 6 m and 10 m privileges, 1500 W PEP ceiling.
Start this trackUnits published 30/31 Built 2 Nov 2026
Three tracks, thirty-one study units and 310 questions. The rings show how much of each licence class has been published so far; your own answered-question count is tracked in this browser only, and fills the thin bar at the very top of the page.
11 / 11 units
Entry licence: VHF/UHF voice and data, 6 m and 10 m privileges, 1500 W PEP ceiling.
Start this track10 / 10 units
Adds HF phone on 80/40/20/15/17/12/10 m, 60 m channels and worldwide DX.
Start this track9 / 10 units
All amateur privileges, including the lower 25 kHz of each HF phone band and 1x2 call signs.
Start this trackWhich receiver control is intended specifically for short bursts of impulse noise such as vehicle ignition?
Key C — The noise blanker
A blanker recognises a short spike and mutes the receiver for its duration, which suits ignition and power line noise. Noise reduction works on continuous random noise, a notch removes a steady tone, and AGC controls receiver gain across fading signals.
Rule Fundamentals - receiver design
Every published unit, newest last. Units appear here on their publication date, so a bookmark on this page grows with the site.
Work the ten questions in one sitting with the reference sheet covered, then uncover it and read every explanation - including the ones you got right. The wording of the real exam is different, so learn the reasoning rather than the answer letters.
Informational study material only. Nothing here is a licence, a legal opinion or a substitute for the current FCC rules.