{"conversationCode":"539-004","tapeNumber":539,"conversationNumber":4,"identifier":"37-wht-conversation-539-004","startDateTime":"1971-07-19T15:12:00.000Z","endDateTime":"1971-07-19T15:18:00.000Z","startDate":"19-Jul-1971","startTime":"11:12 AM","endDate":"19-Jul-1971","endTime":"11:18 AM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Nixon, Richard M. (President); [Unknown person(s)];","description":"On July 19, 1971, President Richard M. Nixon and unknown person(s) met in the Oval Office of the White House at an unknown time between 11:12 am and 11:18 am. The Oval Office taping system captured this recording, which is known as Conversation 539-004 of the White House Tapes.","locationCode":"OVAL","recordingDevice":"Oval Office","latitudeEstimated":38.8974,"longitudeEstimated":-77.0374,"chronCode":1,"chronRelease":"First Chronological Release","chronReleaseDate":"5-Oct-1999","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 539-4\n\nDate: July 19, 1971\nTime: Unknown between 11:12 am and 11:18 am\nLocation: Oval Office\n\nThe President talked with an unknown person\n\n     Schedule","filename":["539a.mp3","539b.mp3"],"tapeStart":"00:59:30","tapeEnd":"01:01:26","participantsList":["Nixon, Richard M. (President)","[Unknown person(s)]"],"prevCode":"539-003","nextCode":"539-005","tapeTranscriptFile":"539a.mp3,539b.mp3","transcript":[{"start":3581.67,"end":3585.89,"text":"Uh, my name is Andrew Williams, uh, and this is your, uh, uh, uh, uh, uh,"}],"transcriptBoundary":{"start":3570,"end":3686,"startMethod":"tape_time","endMethod":"tape_time"},"transcriptConfidence":"low","transcriptSource":"bigtape","aiSummary":{"text":"President Nixon held a brief introductory meeting with an individual identified as Andrew Williams. The conversation remained inconclusive as the participant struggled to establish the purpose of the discussion. No substantive policy matters or action items were resolved during this brief exchange.","topics":["Introduction","White House Schedule","Andrew Williams"],"generatedAt":"2026-04-06T23:21:10.109Z"},"topicSlugs":["introduction","white-house-schedule","andrew-williams"],"audioDurationSec":116,"audioFiles":[{"file":"539a.mp3","bytes":176586082,"durationSec":7357.69,"bitrate":192001,"missing":false},{"file":"539b.mp3","bytes":73369390,"durationSec":3056.99,"bitrate":192004,"missing":false}],"audioIsShared":true,"audioProbedAt":"2026-09-18T02:19:51.009Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/539a.mp3","https://nixon.nyc3.digitaloceanspaces.com/audio/539b.mp3"],"url":"https://www.easynixon.org/tapes/539-004","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/539/conversation-539-004","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}