{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-21T05:46:25.503867+00:00","duration_seconds":2.50605,"id":2747125,"input_summary":"chars=745 node=66296","metadata":{"llm_candidates":[{"callsign":"K9IQX","confidence":0.78},{"callsign":"K6K","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K9IQX,K6K","recording_id":257418,"started_at":"2026-08-21T05:46:22.997817+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":244172}