{
  "contest": {
    "id": "sac-cw",
    "name": "Scandinavian Activity Contest, CW",
    "sponsor": "NRAU",
    "sponsor_home": "https://www.sactest.net/",
    "country": "SE",
    "summary": "Twenty-four hours working Scandinavia on CW, the Nordic societies' own contest and one of the oldest in Europe.",
    "modes": [
      "CW"
    ],
    "bands": [
      "80m",
      "40m",
      "20m",
      "15m",
      "10m"
    ],
    "exchange": "RS(T) plus a serial number starting at 001.",
    "power_categories": [],
    "log_format": "",
    "log_deadline_days": 5,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "Everyone may enter; Scandinavian stations are the ones being worked and are what the scoring is built around."
    },
    "active_from": null,
    "active_until": null,
    "note": "FOUND BECAUSE A BLOCKED ORGANISATION STOPPED BEING ASKED WHAT ELSE IT RUNS. NRAU is recorded in this registry as blocked, correctly: nrau.net says its contest information is under revision and publishes no rules for NRAU-Baltic or the Nordic Activity Contests. But NRAU also organises this, its flagship, and it publishes complete rules at a domain of its own. SAC appeared nowhere in the registry at all until the 2026-08-21 gap audit.\n\nTHE PAGE IS HEADED 2023 AND THE RULE IS STATED AS STANDING. The recurrence sentences say 'each year', which is the form this catalog trusts -- the same form ARRL's generic calendar uses -- and they reproduce that page's own 2023 dates. Re-read when NRAU publishes a newer edition.",
    "verified": true,
    "rules_url": "https://www.sactest.net/blog/rules/",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-21",
    "source_note": "sactest.net/blog/rules/, the contest's own rules: 'CW: 16-17 September 2023 (3rd full weekend of September each year)'. 'Starts 12:00 UTC Saturday and ends 11:59 UTC Sunday.' Frequencies: '3510-3560, 7000-7040, 14000-14060, 21000-21070, 28000-28070 kHz' Exchange: 'The contest exchange consists of RS(T) plus serial number sequence starting with 001 (e.g., 59(9) 001).' Organiser: 'The Nordic Radio Amateur Union (NRAU) is the organizer of the contest.' Deadline: 'Cabrillo logs shall be uploaded no later than 5 days after the end of the contest, at 23:59 UTC.'"
  },
  "rule": {
    "plain": "Third full weekend of September",
    "raw": {
      "type": "nth_full_weekend",
      "month": 9,
      "n": 3
    },
    "start": {
      "day_offset": 0,
      "time": "1200"
    },
    "end": {
      "day_offset": 1,
      "time": "1159"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "sac-cw",
      "name": "Scandinavian Activity Contest, CW",
      "start": "2027-09-18T12:00:00Z",
      "end": "2027-09-19T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "3510-3560, 7000-7040, 14000-14060, 21000-21070, 28000-28070 kHz",
      "sponsor": "NRAU",
      "rules_url": "https://www.sactest.net/blog/rules/",
      "verified": true,
      "note": "FOUND BECAUSE A BLOCKED ORGANISATION STOPPED BEING ASKED WHAT ELSE IT RUNS. NRAU is recorded in this registry as blocked, correctly: nrau.net says its contest information is under revision and publishes no rules for NRAU-Baltic or the Nordic Activity Contests. But NRAU also organises this, its flagship, and it publishes complete rules at a domain of its own. SAC appeared nowhere in the registry at all until the 2026-08-21 gap audit.\n\nTHE PAGE IS HEADED 2023 AND THE RULE IS STATED AS STANDING. The recurrence sentences say 'each year', which is the form this catalog trusts -- the same form ARRL's generic calendar uses -- and they reproduce that page's own 2023 dates. Re-read when NRAU publishes a newer edition.",
      "exchange": "RS(T) plus a serial number starting at 001.",
      "country": "SE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-09-24T11:59:00Z",
      "uid": "sac-cw-20270918T1200@contestcal",
      "start_date": "2027-09-18",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "sac-cw",
      "name": "Scandinavian Activity Contest, CW",
      "start": "2028-09-16T12:00:00Z",
      "end": "2028-09-17T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "3510-3560, 7000-7040, 14000-14060, 21000-21070, 28000-28070 kHz",
      "sponsor": "NRAU",
      "rules_url": "https://www.sactest.net/blog/rules/",
      "verified": true,
      "note": "FOUND BECAUSE A BLOCKED ORGANISATION STOPPED BEING ASKED WHAT ELSE IT RUNS. NRAU is recorded in this registry as blocked, correctly: nrau.net says its contest information is under revision and publishes no rules for NRAU-Baltic or the Nordic Activity Contests. But NRAU also organises this, its flagship, and it publishes complete rules at a domain of its own. SAC appeared nowhere in the registry at all until the 2026-08-21 gap audit.\n\nTHE PAGE IS HEADED 2023 AND THE RULE IS STATED AS STANDING. The recurrence sentences say 'each year', which is the form this catalog trusts -- the same form ARRL's generic calendar uses -- and they reproduce that page's own 2023 dates. Re-read when NRAU publishes a newer edition.",
      "exchange": "RS(T) plus a serial number starting at 001.",
      "country": "SE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-09-22T11:59:00Z",
      "uid": "sac-cw-20280916T1200@contestcal",
      "start_date": "2028-09-16",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "sac-cw",
      "name": "Scandinavian Activity Contest, CW",
      "start": "2029-09-15T12:00:00Z",
      "end": "2029-09-16T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "3510-3560, 7000-7040, 14000-14060, 21000-21070, 28000-28070 kHz",
      "sponsor": "NRAU",
      "rules_url": "https://www.sactest.net/blog/rules/",
      "verified": true,
      "note": "FOUND BECAUSE A BLOCKED ORGANISATION STOPPED BEING ASKED WHAT ELSE IT RUNS. NRAU is recorded in this registry as blocked, correctly: nrau.net says its contest information is under revision and publishes no rules for NRAU-Baltic or the Nordic Activity Contests. But NRAU also organises this, its flagship, and it publishes complete rules at a domain of its own. SAC appeared nowhere in the registry at all until the 2026-08-21 gap audit.\n\nTHE PAGE IS HEADED 2023 AND THE RULE IS STATED AS STANDING. The recurrence sentences say 'each year', which is the form this catalog trusts -- the same form ARRL's generic calendar uses -- and they reproduce that page's own 2023 dates. Re-read when NRAU publishes a newer edition.",
      "exchange": "RS(T) plus a serial number starting at 001.",
      "country": "SE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-09-21T11:59:00Z",
      "uid": "sac-cw-20290915T1200@contestcal",
      "start_date": "2029-09-15",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    },
    {
      "contest_id": "sac-cw",
      "name": "Scandinavian Activity Contest, CW",
      "start": "2030-09-21T12:00:00Z",
      "end": "2030-09-22T11:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 23.98,
      "modes": [
        "CW"
      ],
      "submodes": [],
      "bands": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "bands_note": "3510-3560, 7000-7040, 14000-14060, 21000-21070, 28000-28070 kHz",
      "sponsor": "NRAU",
      "rules_url": "https://www.sactest.net/blog/rules/",
      "verified": true,
      "note": "FOUND BECAUSE A BLOCKED ORGANISATION STOPPED BEING ASKED WHAT ELSE IT RUNS. NRAU is recorded in this registry as blocked, correctly: nrau.net says its contest information is under revision and publishes no rules for NRAU-Baltic or the Nordic Activity Contests. But NRAU also organises this, its flagship, and it publishes complete rules at a domain of its own. SAC appeared nowhere in the registry at all until the 2026-08-21 gap audit.\n\nTHE PAGE IS HEADED 2023 AND THE RULE IS STATED AS STANDING. The recurrence sentences say 'each year', which is the form this catalog trusts -- the same form ARRL's generic calendar uses -- and they reproduce that page's own 2023 dates. Re-read when NRAU publishes a newer edition.",
      "exchange": "RS(T) plus a serial number starting at 001.",
      "country": "SE",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2030-09-27T11:59:00Z",
      "uid": "sac-cw-20300921T1200@contestcal",
      "start_date": "2030-09-21",
      "mode_families": [
        "CW"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m",
        "15m",
        "10m"
      ],
      "duration_bucket": "12-24"
    }
  ]
}