Practical picture
This is the “use the radio” section: wire a station correctly, choose an adequate power source, understand the front-panel controls, and configure analog and digital radios without guessing.
T4 · Amateur Radio Practices
T4 Amateur Radio Practices
This is the “use the radio” section: wire a station correctly, choose an adequate power source, understand the front-panel controls, and configure analog and digital radios without guessing.
Technician exam focus
T4 has 2 question groups and contributes 2 questions to a Technician exam — one from each group.
Subelement T4
Amateur Radio Practices
Work through the groups below in any order. Each page teaches the idea in normal language while keeping the tested terminology recognizable.
T4A · 12 pool questions
Station Setup, Connections & Mobile Power
Connecting station equipment, meters, computers and digital interfaces; bonding; mobile installation; battery capacity.
Study T4A →T4B · 11 pool questionsRadio Controls, Filters & Digital Configuration
Frequency tuning, filters, squelch, AGC, memories, noise blanker, microphone gain, RIT, bandwidth, scanning, DMR code plugs and talkgroups.
Study T4B →Close the loop
Quiz Me on T4
Study the concepts here, then use the current public-domain Technician pool to see how they are asked on the exam.
Exam scope: NCVEC 2026–2030 Technician Class (Element 2), effective July 1, 2026 through June 30, 2030, with February 19, 2026 errata. The current NCVEC pool is the exam authority; explanatory prose here is SPARKA teaching material. NCVEC pool