FT4 - New Digital Mode Designed for Contesting
FT4 is a special-purpose mode designed for rapid-fire contest QSOs from DXER ham radio news http://bit.ly/2XHu5XB via IFTTT
FT4 is a special-purpose mode designed for rapid-fire contest QSOs from DXER ham radio news http://bit.ly/2XHu5XB via IFTTT