{
  "contest": {
    "id": "ure-rey-de-espana-cw",
    "name": "His Majesty the King of Spain Contest, CW",
    "sponsor": "URE",
    "sponsor_home": "https://www.ure.es/",
    "country": "ES",
    "summary": "Spain's premier CW contest: 24 hours from 1200 UTC on the third full weekend of May, 160 through 10 metres, EA stations sending a province code.",
    "modes": [
      "CW"
    ],
    "bands": [
      "160m",
      "80m",
      "40m",
      "20m",
      "15m",
      "10m"
    ],
    "exchange": "Spanish stations send RST + their province abbreviation (EF0F sends SMR); DX stations send RST + a serial number starting with 001.",
    "power_categories": [
      {
        "name": "High Power",
        "max_watts": null
      },
      {
        "name": "Low Power",
        "max_watts": 100
      },
      {
        "name": "QRP",
        "max_watts": 5
      }
    ],
    "log_format": "Cabrillo",
    "log_deadline_days": 15,
    "log_submit_url": "https://concursos.ure.es/en/logs/",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "'Participants: Any licensed amateur station.' and 'Valid Contacts: Contacts may be made with any station anywhere in the world.'"
    },
    "active_from": null,
    "active_until": null,
    "note": "",
    "verified": true,
    "rules_url": "https://concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-18",
    "source_note": "concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/: 'Sponsored by: Union de Radioaficionados Espanoles (URE).' 'Participants: Any licensed amateur station.' 'Dates: CW: 3rd full weekend of May, from 1200 UTC Saturday till 1159 UTC Sunday (May 16th and 17th, 2026).' 'Bands: 10, 15, 20, 40, 80 and 160 meters, in the segments recommended by the IARU for this mode.' 'High power ( Maximun legal limit in each country), Low power ( max. 100 watts ) and QRP (max. 5 watts).' 'Logs must be received by 1 June 2026 (15 days).' That is exactly the stored end instant plus 15 days, so the number is encoded."
  },
  "rule": {
    "plain": "Third full weekend of May",
    "raw": {
      "type": "nth_full_weekend",
      "month": 5,
      "n": 3
    },
    "start": {
      "day_offset": 0,
      "time": "1200"
    },
    "end": {
      "day_offset": 1,
      "time": "1159"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "ure-rey-de-espana-cw",
      "name": "His Majesty the King of Spain Contest, CW",
      "start": "2027-05-15T12:00:00Z",
      "end": "2027-05-16T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/",
      "verified": true,
      "note": "",
      "exchange": "Spanish stations send RST + their province abbreviation (EF0F sends SMR); DX stations send RST + a serial number starting with 001.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-05-31T11:59:00Z",
      "uid": "ure-rey-de-espana-cw-20270515T1200@contestcal",
      "start_date": "2027-05-15",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "ure-rey-de-espana-cw",
      "name": "His Majesty the King of Spain Contest, CW",
      "start": "2028-05-20T12:00:00Z",
      "end": "2028-05-21T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/",
      "verified": true,
      "note": "",
      "exchange": "Spanish stations send RST + their province abbreviation (EF0F sends SMR); DX stations send RST + a serial number starting with 001.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-06-05T11:59:00Z",
      "uid": "ure-rey-de-espana-cw-20280520T1200@contestcal",
      "start_date": "2028-05-20",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "ure-rey-de-espana-cw",
      "name": "His Majesty the King of Spain Contest, CW",
      "start": "2029-05-19T12:00:00Z",
      "end": "2029-05-20T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/",
      "verified": true,
      "note": "",
      "exchange": "Spanish stations send RST + their province abbreviation (EF0F sends SMR); DX stations send RST + a serial number starting with 001.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-06-04T11:59:00Z",
      "uid": "ure-rey-de-espana-cw-20290519T1200@contestcal",
      "start_date": "2029-05-19",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "ure-rey-de-espana-cw",
      "name": "His Majesty the King of Spain Contest, CW",
      "start": "2030-05-18T12:00:00Z",
      "end": "2030-05-19T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/",
      "verified": true,
      "note": "",
      "exchange": "Spanish stations send RST + their province abbreviation (EF0F sends SMR); DX stations send RST + a serial number starting with 001.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2030-06-03T11:59:00Z",
      "uid": "ure-rey-de-espana-cw-20300518T1200@contestcal",
      "start_date": "2030-05-18",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    }
  ]
}