{
  "contest": {
    "id": "ure-cncw",
    "name": "Concurso Nacional CW (CNCW)",
    "sponsor": "URE",
    "sponsor_home": "https://www.ure.es/",
    "country": "ES",
    "summary": "Spain's national CW contest: two sessions over the third full weekend of July with an overnight break, for EA stations and URE members abroad.",
    "modes": [
      "CW"
    ],
    "bands": [
      "80m",
      "40m",
      "20m",
      "15m",
      "10m"
    ],
    "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
    "power_categories": [
      {
        "name": "High Power",
        "max_watts": 1000
      },
      {
        "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": "entity_list",
      "entities": [
        "EA",
        "EA6",
        "EA8",
        "EA9"
      ],
      "verified": true,
      "note": "'Any EA and CEPT licensed station transmitting from EA (all districts, example EA1/W1XXX) and URE members, EA or foreigners, that are outside of Spain.' The second clause lets URE members enter from anywhere; the entity list records the transmitting-from-Spain requirement that applies to everyone else."
    },
    "active_from": null,
    "active_until": null,
    "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
    "verified": true,
    "rules_url": "https://concursos.ure.es/en/cncw/bases/",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-18",
    "source_note": "concursos.ure.es/en/cncw/bases/: 'Sponsored by: Union de Radioaficionados Espanoles (URE).' 'Participants: Any EA and CEPT licensed station transmitting from EA (all districts, example EA1/W1XXX) and URE members, EA or foreigners, that are outside of Spain.' 'Dates: 3rd full weekend of July (July 18th and 19th, 2026), from 1200 UTC Saturday till 2259 UTC Saturday and from 0500UTC till 1159UTC Sunday).' 'Bands: 10, 15, 20, 40 and 80 meters'. 'High power ( Max. 1000 watts), Low power ( max. 100 watts ) and QRP (max. 5 watts).' 'Exchange: RST plus the provincial abbreviation. EA4URE will send RST and “HQ”, EA or foreigners, outside of Spain, will send RST and SU'. 'Logs must be received by 3 August 2026 (15 days).' That is exactly the second session's end instant plus 15 days."
  },
  "rule": {
    "plain": "Third full weekend of July",
    "raw": {
      "type": "nth_full_weekend",
      "month": 7,
      "n": 3
    },
    "start": {
      "day_offset": 0,
      "time": "1200"
    },
    "end": {
      "day_offset": 0,
      "time": "2259"
    },
    "sessions": [
      {
        "start": {
          "day_offset": 0,
          "time": "1200"
        },
        "end": {
          "day_offset": 0,
          "time": "2259"
        }
      },
      {
        "start": {
          "day_offset": 1,
          "time": "0500"
        },
        "end": {
          "day_offset": 1,
          "time": "1159"
        }
      }
    ]
  },
  "next": [
    {
      "contest_id": "ure-cncw",
      "name": "Concurso Nacional CW (CNCW)",
      "start": "2027-07-17T12:00:00Z",
      "end": "2027-07-17T22:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 10.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/cncw/bases/",
      "verified": true,
      "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
      "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": false,
      "eligibility_scope": "entity_list",
      "eligibility_reason": "Entry limited to EA, EA6, EA8, EA9. K stations may be worked but cannot submit an entry.",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-08-01T22:59:00Z",
      "uid": "ure-cncw-20270717T1200@contestcal",
      "start_date": "2027-07-17",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ure-cncw",
      "name": "Concurso Nacional CW (CNCW)",
      "start": "2027-07-18T05:00:00Z",
      "end": "2027-07-18T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/cncw/bases/",
      "verified": true,
      "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
      "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": false,
      "eligibility_scope": "entity_list",
      "eligibility_reason": "Entry limited to EA, EA6, EA8, EA9. K stations may be worked but cannot submit an entry.",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-08-02T11:59:00Z",
      "uid": "ure-cncw-20270718T0500@contestcal",
      "start_date": "2027-07-18",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ure-cncw",
      "name": "Concurso Nacional CW (CNCW)",
      "start": "2028-07-15T12:00:00Z",
      "end": "2028-07-15T22:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 10.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/cncw/bases/",
      "verified": true,
      "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
      "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": false,
      "eligibility_scope": "entity_list",
      "eligibility_reason": "Entry limited to EA, EA6, EA8, EA9. K stations may be worked but cannot submit an entry.",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-07-30T22:59:00Z",
      "uid": "ure-cncw-20280715T1200@contestcal",
      "start_date": "2028-07-15",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ure-cncw",
      "name": "Concurso Nacional CW (CNCW)",
      "start": "2028-07-16T05:00:00Z",
      "end": "2028-07-16T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/cncw/bases/",
      "verified": true,
      "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
      "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": false,
      "eligibility_scope": "entity_list",
      "eligibility_reason": "Entry limited to EA, EA6, EA8, EA9. K stations may be worked but cannot submit an entry.",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-07-31T11:59:00Z",
      "uid": "ure-cncw-20280716T0500@contestcal",
      "start_date": "2028-07-16",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ure-cncw",
      "name": "Concurso Nacional CW (CNCW)",
      "start": "2029-07-21T12:00:00Z",
      "end": "2029-07-21T22:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 10.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/cncw/bases/",
      "verified": true,
      "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
      "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": false,
      "eligibility_scope": "entity_list",
      "eligibility_reason": "Entry limited to EA, EA6, EA8, EA9. K stations may be worked but cannot submit an entry.",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-08-05T22:59:00Z",
      "uid": "ure-cncw-20290721T1200@contestcal",
      "start_date": "2029-07-21",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "ure-cncw",
      "name": "Concurso Nacional CW (CNCW)",
      "start": "2029-07-22T05:00:00Z",
      "end": "2029-07-22T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "",
      "sponsor": "URE",
      "rules_url": "https://concursos.ure.es/en/cncw/bases/",
      "verified": true,
      "note": "Two sessions with an overnight break, encoded in the sessions array; the top-level start/end repeat the first session, as elsewhere in this catalog. URE states one deadline for the contest as a whole and it is the second session's end plus 15 days exactly. The engine applies log_deadline_days to each session separately, so the first session's computed deadline falls a day before URE's printed one. Dropping the interval to quote a fixed date instead would lose the arithmetic URE actually states, so the interval is kept and the artefact recorded here.",
      "exchange": "RST + the provincial abbreviation. EA4URE sends RST and HQ; URE members operating from outside Spain send RST and SU.",
      "country": "ES",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-18",
      "can_enter": false,
      "eligibility_scope": "entity_list",
      "eligibility_reason": "Entry limited to EA, EA6, EA8, EA9. K stations may be worked but cannot submit an entry.",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-08-06T11:59:00Z",
      "uid": "ure-cncw-20290722T0500@contestcal",
      "start_date": "2029-07-22",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "2-12"
    }
  ]
}