Digital " HAM "  Audio Page

ARRL Report on first digital audio transatlantic QSO  <<< here >>>

TAPR   ICOM D-Star Concept Radio Demonstrated at Dayton Hamvention 2002  <<< here >>>

ARRL Digital Voice Web Area  <<< here >>>

ARRL DSP - Digital Signal Processing Web Area  <<< here >>>

Practical HF Digital Voice by Charles Brain, G4GUO, and Andy Talbot, G4JNT  <<< here >>>