{
  "contest": {
    "id": "classic-exchange-phone",
    "name": "Classic Exchange (Phone)",
    "sponsor": "Classic Exchange",
    "sponsor_home": "https://classicexchange.org/",
    "country": "US",
    "summary": "A vintage-and-classic-gear exchange: you send the make and model of your receiver and transmitter. Two 18-hour sessions in each mode.",
    "modes": [
      "SSB",
      "AM"
    ],
    "bands": [
      "160m",
      "80m",
      "40m",
      "20m",
      "15m",
      "10m",
      "6m",
      "2m"
    ],
    "exchange": "RST, QTH (state/province/country), operator name, and the make and model of your receiver and transmitter",
    "power_categories": [],
    "log_format": "",
    "log_deadline_days": null,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": false,
      "note": "The rules as read restrict no country; open participation was not stated in so many words."
    },
    "active_from": null,
    "active_until": null,
    "note": "DATES ARE STATED PER EDITION; THE SPONSOR PUBLISHES NO RECURRENCE RULE. Only the dates the sponsor has actually published are encoded (2026-11-15, 2026-11-17); a year it has not announced yields nothing rather than a guess. If a stated rule turns up, this record upgrades from manual. Two sessions per running (Sunday and Tuesday). A Winter edition exists but its dates were not read, so none are recorded. Logs due 15 Dec 2026 to logs@classicexchange.org; the deadline is not a fixed offset so it is not encoded.",
    "verified": true,
    "rules_url": "https://classicexchange.org/",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-10-15",
    "source_note": "classicexchange.org 'Fall 2026 CX Rules' (Rev 1, 21 Jan 26), the 50th anniversary edition: Phone sessions Sunday 15 Nov 1400Z to Monday 0800Z and Tuesday 17 Nov 1400Z to Wednesday 0800Z. Read 2026-10-15."
  },
  "rule": {
    "plain": "Dates set by the sponsor each year (no derivable rule)",
    "raw": {
      "type": "manual",
      "dates": {
        "2026": [
          "2026-11-15",
          "2026-11-17"
        ]
      }
    },
    "start": {
      "day_offset": 0,
      "time": "1400"
    },
    "end": {
      "day_offset": 1,
      "time": "0800"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "classic-exchange-phone",
      "name": "Classic Exchange (Phone)",
      "start": "2026-11-15T14:00:00Z",
      "end": "2026-11-16T08:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 18,
      "modes": [
        "SSB",
        "AM"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "Sponsor: 160-80-40-20-15-10-6-2. The sponsor's frequency table has both AM and SSB windows.",
      "sponsor": "Classic Exchange",
      "rules_url": "https://classicexchange.org/",
      "verified": true,
      "note": "DATES ARE STATED PER EDITION; THE SPONSOR PUBLISHES NO RECURRENCE RULE. Only the dates the sponsor has actually published are encoded (2026-11-15, 2026-11-17); a year it has not announced yields nothing rather than a guess. If a stated rule turns up, this record upgrades from manual. Two sessions per running (Sunday and Tuesday). A Winter edition exists but its dates were not read, so none are recorded. Logs due 15 Dec 2026 to logs@classicexchange.org; the deadline is not a fixed offset so it is not encoded.",
      "exchange": "RST, QTH (state/province/country), operator name, and the make and model of your receiver and transmitter",
      "country": "US",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "classic-exchange-phone-20261115T1400@contestcal",
      "start_date": "2026-11-15",
      "mode_families": [
        "SSB",
        "AM"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "classic-exchange-phone",
      "name": "Classic Exchange (Phone)",
      "start": "2026-11-17T14:00:00Z",
      "end": "2026-11-18T08:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 18,
      "modes": [
        "SSB",
        "AM"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "Sponsor: 160-80-40-20-15-10-6-2. The sponsor's frequency table has both AM and SSB windows.",
      "sponsor": "Classic Exchange",
      "rules_url": "https://classicexchange.org/",
      "verified": true,
      "note": "DATES ARE STATED PER EDITION; THE SPONSOR PUBLISHES NO RECURRENCE RULE. Only the dates the sponsor has actually published are encoded (2026-11-15, 2026-11-17); a year it has not announced yields nothing rather than a guess. If a stated rule turns up, this record upgrades from manual. Two sessions per running (Sunday and Tuesday). A Winter edition exists but its dates were not read, so none are recorded. Logs due 15 Dec 2026 to logs@classicexchange.org; the deadline is not a fixed offset so it is not encoded.",
      "exchange": "RST, QTH (state/province/country), operator name, and the make and model of your receiver and transmitter",
      "country": "US",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "classic-exchange-phone-20261117T1400@contestcal",
      "start_date": "2026-11-17",
      "mode_families": [
        "SSB",
        "AM"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "12-24"
    }
  ]
}