ARRL JT44 operating mode
JT44: New Digital Mode for Weak Signals
Visit ARRL JT44 operating mode DXZone Resource Page
Download 0206081.pdf file from www.arrl.org
JT44: New Digital Mode for Weak Signals
Visit ARRL JT44 operating mode DXZone Resource Page
Download 0206081.pdf file from www.arrl.org