Les transmissions digitales
pour les amateurs de grands DX via EME - TROPO en VHF - UHF - SHF
LE MODE WSJT
Pour plus d'informations, consultez le site dédié à ce mode : http://hflink.com/jt65a/ vous y trouverez également les programmes ad oc
Téléchargement WSJT 5.9.7
WSJT en mode FSK441
WSJT en mode JT65A
Tableau des fréquences
JT65A frequency 20metres is
14076.0 kHz USB VFO.
The JT65a sync frequency is 14077.27 kHz.
The JT65 signal frequency is about 14077.3 to 14077.7 kHz.
The JT65A frequency 30metres is 10139.0 kHz USB VFO.
The JT65a sync frequency is 10140.27 kHz
The JT65 signal frequency is about 10140.3 to 10140.7 kHz.
The JT65A frequency 40metres Europe is 7039.0 kHz USB VFO.
The JT65A sync frequency is 7040.27 kHz
The JT65A signal frequency is about 7040.3 to 7040.7 kHz.
The JT65A frequency 40meters USA is 7076.0 kHz USB VFO.
The JT65A sync frequency is 7077.27 kHz
The JT65A signal frequency is about 7077.3 to 7077.7 kHz.
JT65A operators use USB VFO FREQUENCY for spots.
JT65A signal is about 1.3+kHz higher than the VFO frequency
Normal operation of JT65A is a sync audio frequency of 1270.5Hz.
Sync tone is the reference mouse-click frequency for JT65.
The JT65A signal bandwidth extends about 200Hz above the 1270.5Hz sync.
The lowest tone of the JT65 signal is normally 1270Hz.
The system allows approximately +/-600Hz auto-tuning on receive.
source: JT65 specifications
JT65A is a weak signal digital QSO mode.
JT65A is normally used on HF and 6 meter bands.