{
  "contest": {
    "id": "ontario-qso-party",
    "name": "Ontario QSO Party",
    "sponsor": "Contest Club Ontario",
    "sponsor_home": "http://www.va3cco.com/",
    "country": "CA",
    "summary": "Ontario's April party in two sessions; no WARC bands.",
    "modes": [
      "SSB",
      "CW"
    ],
    "bands": [
      "160m",
      "80m",
      "40m",
      "20m",
      "15m",
      "10m",
      "6m",
      "2m"
    ],
    "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
    "power_categories": [],
    "log_format": "",
    "log_deadline_days": null,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": ""
    },
    "active_from": null,
    "active_until": null,
    "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
    "verified": true,
    "rules_url": "http://www.va3cco.com/oqp/rules.htm",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-10-15",
    "source_note": "Sponsor's own rules (http://www.va3cco.com/oqp/rules.htm), read 2026-10-15: 'third full weekend of April'; 1800Z Saturday to 0300Z Sunday and 1200Z to 2000Z Sunday (rev 01 Mar 2026)."
  },
  "rule": {
    "plain": "Third full weekend of April",
    "raw": {
      "type": "nth_full_weekend",
      "month": 4,
      "n": 3
    },
    "start": {
      "day_offset": 0,
      "time": "1800"
    },
    "end": {
      "day_offset": 1,
      "time": "2000"
    },
    "sessions": [
      {
        "start": {
          "day_offset": 0,
          "time": "1800"
        },
        "end": {
          "day_offset": 1,
          "time": "0300"
        }
      },
      {
        "start": {
          "day_offset": 1,
          "time": "1200"
        },
        "end": {
          "day_offset": 1,
          "time": "2000"
        }
      }
    ]
  },
  "next": [
    {
      "contest_id": "ontario-qso-party",
      "name": "Ontario QSO Party",
      "start": "2027-04-17T18:00:00Z",
      "end": "2027-04-18T03:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 9,
      "modes": [
        "SSB",
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "",
      "sponsor": "Contest Club Ontario",
      "rules_url": "http://www.va3cco.com/oqp/rules.htm",
      "verified": true,
      "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
      "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
      "country": "CA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "ontario-qso-party-20270417T1800@contestcal",
      "start_date": "2027-04-17",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ontario-qso-party",
      "name": "Ontario QSO Party",
      "start": "2027-04-18T12:00:00Z",
      "end": "2027-04-18T20:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 8,
      "modes": [
        "SSB",
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "",
      "sponsor": "Contest Club Ontario",
      "rules_url": "http://www.va3cco.com/oqp/rules.htm",
      "verified": true,
      "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
      "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
      "country": "CA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "ontario-qso-party-20270418T1200@contestcal",
      "start_date": "2027-04-18",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ontario-qso-party",
      "name": "Ontario QSO Party",
      "start": "2028-04-15T18:00:00Z",
      "end": "2028-04-16T03:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 9,
      "modes": [
        "SSB",
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "",
      "sponsor": "Contest Club Ontario",
      "rules_url": "http://www.va3cco.com/oqp/rules.htm",
      "verified": true,
      "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
      "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
      "country": "CA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "ontario-qso-party-20280415T1800@contestcal",
      "start_date": "2028-04-15",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ontario-qso-party",
      "name": "Ontario QSO Party",
      "start": "2028-04-16T12:00:00Z",
      "end": "2028-04-16T20:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 8,
      "modes": [
        "SSB",
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "",
      "sponsor": "Contest Club Ontario",
      "rules_url": "http://www.va3cco.com/oqp/rules.htm",
      "verified": true,
      "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
      "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
      "country": "CA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "ontario-qso-party-20280416T1200@contestcal",
      "start_date": "2028-04-16",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ontario-qso-party",
      "name": "Ontario QSO Party",
      "start": "2029-04-21T18:00:00Z",
      "end": "2029-04-22T03:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 9,
      "modes": [
        "SSB",
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "",
      "sponsor": "Contest Club Ontario",
      "rules_url": "http://www.va3cco.com/oqp/rules.htm",
      "verified": true,
      "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
      "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
      "country": "CA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "ontario-qso-party-20290421T1800@contestcal",
      "start_date": "2029-04-21",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ontario-qso-party",
      "name": "Ontario QSO Party",
      "start": "2029-04-22T12:00:00Z",
      "end": "2029-04-22T20:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 8,
      "modes": [
        "SSB",
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "bands_note": "",
      "sponsor": "Contest Club Ontario",
      "rules_url": "http://www.va3cco.com/oqp/rules.htm",
      "verified": true,
      "note": "Digital is not mentioned (unconfirmed). 2027 dates (17-18 April) are published.",
      "exchange": "Ontario stations send serial number and county or district; others send serial number and state, province or DX.",
      "country": "CA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "ontario-qso-party-20290422T1200@contestcal",
      "start_date": "2029-04-22",
      "mode_families": [
        "CW",
        "SSB"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m",
        "6m",
        "2m"
      ],
      "duration_bucket": "2-12"
    }
  ]
}