Feature

Provide a Hamlib-compatible CAT (Computer Aided Transceiver) control interface so third-party software (WSJT-X, fldigi, N1MM, etc.) can control frequency, mode, and PTT.

Requirements

• TCP server on port 4532 (rigctld protocol)
• Frequency get/set
• Mode get/set
• PTT get/set
• VFO selection (for multi-slice)
• Split operation support
• S-meter reading

Context

Most Linux ham radio software expects rigctld for radio control. This is essential for contest logging, digital modes, and satellite tracking.