{
  "contest": {
    "id": "arrl-september-vhf",
    "name": "ARRL September VHF Contest",
    "sponsor": "ARRL",
    "sponsor_home": "http://www.arrl.org/contest-calendar",
    "country": "US",
    "summary": "",
    "modes": [
      "Mixed"
    ],
    "bands": [
      "6m",
      "2m",
      "1.25m",
      "70cm",
      "33cm",
      "23cm",
      "13cm",
      "3cm"
    ],
    "exchange": "",
    "power_categories": [],
    "log_format": "",
    "log_deadline_days": null,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": false,
      "practical": "VHF+ contest."
    },
    "active_from": null,
    "active_until": null,
    "note": "",
    "verified": true,
    "rules_url": "http://www.arrl.org/september-vhf",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-21",
    "source_note": "ARRL's Generic ARRL Contest Calendar at arrl.org/contest-calendar, which is ARRL stating the recurrence of its own contest in words: 'Second full weekend of September, 1800 UTC Saturday through 0259 UTC Monday.' Re-verified 2026-08-21 against the stored rule, which matches. The Contest Corral on the same page is NOT a source here -- ARRL states it is generated from WA7BNM Contest Calendar data, so it is derived. Previous note read: 'ARRL: second full weekend of September'."
  },
  "rule": {
    "plain": "Second full weekend of September",
    "raw": {
      "type": "nth_full_weekend",
      "month": 9,
      "n": 2
    },
    "start": {
      "day_offset": 0,
      "time": "1800"
    },
    "end": {
      "day_offset": 2,
      "time": "0259"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "arrl-september-vhf",
      "name": "ARRL September VHF Contest",
      "start": "2027-09-11T18:00:00Z",
      "end": "2027-09-13T02:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 32.98,
      "modes": [
        "Mixed"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "2m",
        "1.25m",
        "70cm",
        "33cm",
        "23cm",
        "13cm",
        "3cm"
      ],
      "bands_note": "All authorized frequencies above 50 MHz",
      "sponsor": "ARRL",
      "rules_url": "http://www.arrl.org/september-vhf",
      "verified": true,
      "note": "",
      "exchange": "",
      "country": "US",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "VHF+ contest.",
      "log_due": null,
      "uid": "arrl-september-vhf-20270911T1800@contestcal",
      "start_date": "2027-09-11",
      "mode_families": [
        "CW",
        "SSB",
        "FM",
        "RTTY",
        "Digital",
        "FT8/FT4",
        "Mixed"
      ],
      "band_families": [
        "6m",
        "VHF+"
      ],
      "duration_bucket": "gte24"
    },
    {
      "contest_id": "arrl-september-vhf",
      "name": "ARRL September VHF Contest",
      "start": "2028-09-09T18:00:00Z",
      "end": "2028-09-11T02:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 32.98,
      "modes": [
        "Mixed"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "2m",
        "1.25m",
        "70cm",
        "33cm",
        "23cm",
        "13cm",
        "3cm"
      ],
      "bands_note": "All authorized frequencies above 50 MHz",
      "sponsor": "ARRL",
      "rules_url": "http://www.arrl.org/september-vhf",
      "verified": true,
      "note": "",
      "exchange": "",
      "country": "US",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "VHF+ contest.",
      "log_due": null,
      "uid": "arrl-september-vhf-20280909T1800@contestcal",
      "start_date": "2028-09-09",
      "mode_families": [
        "CW",
        "SSB",
        "FM",
        "RTTY",
        "Digital",
        "FT8/FT4",
        "Mixed"
      ],
      "band_families": [
        "6m",
        "VHF+"
      ],
      "duration_bucket": "gte24"
    },
    {
      "contest_id": "arrl-september-vhf",
      "name": "ARRL September VHF Contest",
      "start": "2029-09-08T18:00:00Z",
      "end": "2029-09-10T02:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 32.98,
      "modes": [
        "Mixed"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "2m",
        "1.25m",
        "70cm",
        "33cm",
        "23cm",
        "13cm",
        "3cm"
      ],
      "bands_note": "All authorized frequencies above 50 MHz",
      "sponsor": "ARRL",
      "rules_url": "http://www.arrl.org/september-vhf",
      "verified": true,
      "note": "",
      "exchange": "",
      "country": "US",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "VHF+ contest.",
      "log_due": null,
      "uid": "arrl-september-vhf-20290908T1800@contestcal",
      "start_date": "2029-09-08",
      "mode_families": [
        "CW",
        "SSB",
        "FM",
        "RTTY",
        "Digital",
        "FT8/FT4",
        "Mixed"
      ],
      "band_families": [
        "6m",
        "VHF+"
      ],
      "duration_bucket": "gte24"
    },
    {
      "contest_id": "arrl-september-vhf",
      "name": "ARRL September VHF Contest",
      "start": "2030-09-14T18:00:00Z",
      "end": "2030-09-16T02:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 32.98,
      "modes": [
        "Mixed"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "2m",
        "1.25m",
        "70cm",
        "33cm",
        "23cm",
        "13cm",
        "3cm"
      ],
      "bands_note": "All authorized frequencies above 50 MHz",
      "sponsor": "ARRL",
      "rules_url": "http://www.arrl.org/september-vhf",
      "verified": true,
      "note": "",
      "exchange": "",
      "country": "US",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-21",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "VHF+ contest.",
      "log_due": null,
      "uid": "arrl-september-vhf-20300914T1800@contestcal",
      "start_date": "2030-09-14",
      "mode_families": [
        "CW",
        "SSB",
        "FM",
        "RTTY",
        "Digital",
        "FT8/FT4",
        "Mixed"
      ],
      "band_families": [
        "6m",
        "VHF+"
      ],
      "duration_bucket": "gte24"
    }
  ]
}