Digital modes involve a computer and an
interface to the transceiver that changes digital data from a
serial or USB connection into tones to be transmitted and
Nearly all current computers include a sound card that does that
function, but not as well a dedicated external sound card device
such as a Signal Link
of the earliest digital, 2-way texting modes.
Sound card implementation of the old console Radio TeleTYpe
Weak Signal Joe Taylor Available
New mode developed by Franke & Taylor
From Tutorial by KZ5ED:
Dimension4 required for accurate clock setting on your
reports stations receiving your transmission.
N3FJP companion logging
JTAlertX voice announcing