T8D Non-voice and digital communications: image signals and definition of NTSC, CW, packet radio, PSK, APRS, error detection and correction, amateur radio networking, DMR, WSJT modes, Broadband-Hamnet
- Pool questions
- 12
- Expected on an exam
- 1
- Lessons
- 1
Part of subelement T8 — SIGNALS AND EMISSIONS, which contributes 4 questions to every exam across 4 groups.
Lessons covering this
- Digital Modes11 min
Tell FT8, PSK31, packet, APRS, DMR, and mesh apart by what each is for, and say what ARQ adds to a link.
Question ids
T8D01 · T8D02 · T8D03 · T8D04 · T8D05 · T8D06 · T8D07 · T8D08 · T8D09 · T8D10 · T8D11 · T8D12