1. The entire set of fixed ports (copied directly)
JTDX sent → GT2 received: 2333
GT2 sent → QLOG received: 2237
Use all IP addresses: 127.0.0.1
II. Step-by-step instructions for setting up the software in Chinese.
1) JTDX Configuration (Transmission Data)
Open JTDX
Top menu: Settings → Reporting
Find the UDP server.
Please fill in the following:
Address: 127.0.0.1
Port: 2333
Check:
✅ Enable UDP server
✅ Send QSOs
✅ Send decodes
Okay, restart JTDX.
2) GT2 Grid Assistant Settings (Intermediate)
Open the GT2 grid assistant.
Top menu: Settings → General
Upper part: Receive UDP messages
Port: 2333
✅ Enabled
Lower half: Forwarding UDP messages
Address: 127.0.0.1
Port: 2237
✅ Enabled
Tap Save
3) QLOG Configuration (Automatic Logging Enabled)
Open QLOG
Steps: Settings → Find WSJT-X/JTDX integration or UDP listening
Found: UDP listening port
Port: 2237
✅ Enable UDP
✅ Automatically log QSOs
Save settings
III. Startup Sequence (Must be followed in this order)
First: JTDX
Re-open: GT2 Grid Assistant
Finally opened: QLOG
IV. Indicators of Success
After connection:
The GT2 radio appears on the map.
The QLOG automatically pops up a communication window, with all information pre-filled.
→ This demonstrates the successful integration of JTDX + GT2 + QLOG.
Proven to work (special thanks to BI6NSL for their initial guidance).
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