Which of the following provide digital voice modes?
WSPR, MFSK16, and EasyPAL
FT8, FT4, and FST4
Winlink, PACTOR II, and PACTOR III
DMR, D-STAR, and SystemFusion✓الإجابة الصحيحة
الشرح
DMR, D-STAR and System Fusion digitize speech through a vocoder and transmit the resulting bit stream, which makes them digital voice modes. WSPR, FT8, Winlink and the PACTOR family carry text or data rather than voice.