{"ai_pass_count":3,"analysis_step_count":5,"confidence":0.7167320847511292,"created_at":"2026-08-24T03:47:47.863708+00:00","id":250552,"node_number":"683211","processing_time":0.9405519962310791,"recent_steps":["crawler.extract_candidates","callsign.qrz_verify","callsign.llm_extract","callsign.regex_extract","transcription.whisper"],"recording_id":264391,"text":"sideband phone signal. If in A, use a balanced modulator followed by a filter. B, use a reactance modulator followed by mixer. C, use a loop modulator followed by mixer. Or D, use a product detector with a DSB signal. L R K. X CD."}