The digital modes category focuses on non‑voice, non‑CW communication modes such as SSTV, FT‑type modes, WEFAX, DRM, and other soundcard‑driven modes on HF and VHF. Posts typically walk through the complete chain: radio or SDR setup, interface wiring, software selection (WSJT‑X / JTDX, MMSSTV, fldigi, etc.), audio levels, and example screenshots or recordings