WSJT X Integration

WSJT-X Integration

AetherSDR includes a built-in Hamlib rigctld server for CAT control with WSJT-X and other digital mode applications.

Quick Setup

WSJT-X Settings

1. Open WSJT-X → Settings → Radio tab
2. Set Rig: Hamlib NET rigctl
3. Set Network Server: 127.0.0.1:4532
4. Click Test CAT — should turn green

WSJT-X Audio Settings

1. Go to Settings → Audio tab
2. Soundcard Input: Select your radio's audio output (or AetherSDR DAX device if configured)
3. Soundcard Output: Select your radio's audio input

AetherSDR Settings

1. The rigctld server auto-starts if enabled in Settings → Autostart rigctld with AetherSDR
2. Or manually enable in the DIGI applet → rigctld → Enable
3. Default port: 4532

Alternative: Direct FlexRadio Connection

WSJT-X has built-in FlexRadio support. You can connect directly:

1. Set Rig: FlexRadio 6xxx
2. Set Network Server: <radio IP>:4992
3. This bypasses AetherSDR's rigctld entirely

Multi-Channel CAT

AetherSDR provides 4 independent CAT channels (A-D), each bound to a slice:

Channel	TCP Port	PTY Path	Slice
A	4532	/tmp/AetherSDR-CAT-A	Slice 0
B	4533	/tmp/AetherSDR-CAT-B	Slice 1
C	4534	/tmp/AetherSDR-CAT-C	Slice 2
D	4535	/tmp/AetherSDR-CAT-D	Slice 3

This allows running WSJT-X, Varac, fldigi, etc. simultaneously, each controlling its own slice.

Troubleshooting

• WSJT-X "Test CAT" takes a long time — This is normal. WSJT-X runs a test-tune sequence on first connect (changes frequency, checks response). Takes 10-30 seconds.
• PTT not working — Make sure the correct slice has TX assigned (red TX badge in AetherSDR).
• Frequency not syncing — Verify the rigctld port matches in both apps.