{
  "contest": {
    "id": "hemus-vhf",
    "name": "Hemus VHF Contest 144 MHz",
    "sponsor": "BFRA",
    "sponsor_home": "https://vhfcontest.bfra.bg/",
    "country": "BG",
    "summary": "Bulgaria's 2m contest on the Sunday of the first August weekend; the sponsor's start time is stated two ways.",
    "modes": [
      "CW",
      "SSB",
      "FM"
    ],
    "bands": [
      "2m"
    ],
    "exchange": "RS(T) + serial number from 001 + 6-character locator",
    "power_categories": [],
    "log_format": "EDI",
    "log_deadline_days": 8,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "Sponsor: 'All licensed radio amateurs'."
    },
    "active_from": null,
    "active_until": null,
    "note": "THE SPONSOR CONTRADICTS ITSELF ON THE START. The rules PDF's date line, itself garbled ('Every Sunday of the 1st full weekend of August - from 09:00 GMT to 13:59 GMT on August 2, 2026'), gives 09:00-13:59 UTC; the contest page for the same edition says 06:00-13:59 UTC, 7 hours. The PDF is encoded; ask the organisers. The recurrence is this catalog's reading of that garbled sentence as the Sunday of the first full weekend of August.",
    "verified": false,
    "rules_url": "https://vhfcontest.bfra.bg/contest/hemus-vhf-contest-2026",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-10-15",
    "source_note": "vhfcontest.bfra.bg 'Hemus VHF Contest 2026' PDF (https://vhfcontest.bfra.bg/contest-documents/24/download), run by Radio Club Troyan and the Bulgarian Federation of Radioamateurs: Sunday 2 August 2026, 09:00 to 13:59 GMT per the PDF; CW, SSB, FM on 144 MHz; log by EDI to vhfcontest.bfra.bg/robot within 8 days. Categories: SO, SO LZ, MO, MO LZ. Read 2026-10-15."
  },
  "rule": {
    "plain": "First full weekend of August",
    "raw": {
      "type": "nth_full_weekend",
      "month": 8,
      "n": 1
    },
    "start": {
      "day_offset": 1,
      "time": "0900"
    },
    "end": {
      "day_offset": 1,
      "time": "1359"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "hemus-vhf",
      "name": "Hemus VHF Contest 144 MHz",
      "start": "2027-08-08T09:00:00Z",
      "end": "2027-08-08T13:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 4.98,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "2m"
      ],
      "bands_note": "144 MHz only.",
      "sponsor": "BFRA",
      "rules_url": "https://vhfcontest.bfra.bg/contest/hemus-vhf-contest-2026",
      "verified": false,
      "note": "THE SPONSOR CONTRADICTS ITSELF ON THE START. The rules PDF's date line, itself garbled ('Every Sunday of the 1st full weekend of August - from 09:00 GMT to 13:59 GMT on August 2, 2026'), gives 09:00-13:59 UTC; the contest page for the same edition says 06:00-13:59 UTC, 7 hours. The PDF is encoded; ask the organisers. The recurrence is this catalog's reading of that garbled sentence as the Sunday of the first full weekend of August.",
      "exchange": "RS(T) + serial number from 001 + 6-character locator",
      "country": "BG",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-08-16T13:59:00Z",
      "uid": "hemus-vhf-20270808T0900@contestcal",
      "start_date": "2027-08-08",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hemus-vhf",
      "name": "Hemus VHF Contest 144 MHz",
      "start": "2028-08-06T09:00:00Z",
      "end": "2028-08-06T13:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 4.98,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "2m"
      ],
      "bands_note": "144 MHz only.",
      "sponsor": "BFRA",
      "rules_url": "https://vhfcontest.bfra.bg/contest/hemus-vhf-contest-2026",
      "verified": false,
      "note": "THE SPONSOR CONTRADICTS ITSELF ON THE START. The rules PDF's date line, itself garbled ('Every Sunday of the 1st full weekend of August - from 09:00 GMT to 13:59 GMT on August 2, 2026'), gives 09:00-13:59 UTC; the contest page for the same edition says 06:00-13:59 UTC, 7 hours. The PDF is encoded; ask the organisers. The recurrence is this catalog's reading of that garbled sentence as the Sunday of the first full weekend of August.",
      "exchange": "RS(T) + serial number from 001 + 6-character locator",
      "country": "BG",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-08-14T13:59:00Z",
      "uid": "hemus-vhf-20280806T0900@contestcal",
      "start_date": "2028-08-06",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hemus-vhf",
      "name": "Hemus VHF Contest 144 MHz",
      "start": "2029-08-05T09:00:00Z",
      "end": "2029-08-05T13:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 4.98,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "2m"
      ],
      "bands_note": "144 MHz only.",
      "sponsor": "BFRA",
      "rules_url": "https://vhfcontest.bfra.bg/contest/hemus-vhf-contest-2026",
      "verified": false,
      "note": "THE SPONSOR CONTRADICTS ITSELF ON THE START. The rules PDF's date line, itself garbled ('Every Sunday of the 1st full weekend of August - from 09:00 GMT to 13:59 GMT on August 2, 2026'), gives 09:00-13:59 UTC; the contest page for the same edition says 06:00-13:59 UTC, 7 hours. The PDF is encoded; ask the organisers. The recurrence is this catalog's reading of that garbled sentence as the Sunday of the first full weekend of August.",
      "exchange": "RS(T) + serial number from 001 + 6-character locator",
      "country": "BG",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-08-13T13:59:00Z",
      "uid": "hemus-vhf-20290805T0900@contestcal",
      "start_date": "2029-08-05",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "2m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hemus-vhf",
      "name": "Hemus VHF Contest 144 MHz",
      "start": "2030-08-04T09:00:00Z",
      "end": "2030-08-04T13:59:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 4.98,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "2m"
      ],
      "bands_note": "144 MHz only.",
      "sponsor": "BFRA",
      "rules_url": "https://vhfcontest.bfra.bg/contest/hemus-vhf-contest-2026",
      "verified": false,
      "note": "THE SPONSOR CONTRADICTS ITSELF ON THE START. The rules PDF's date line, itself garbled ('Every Sunday of the 1st full weekend of August - from 09:00 GMT to 13:59 GMT on August 2, 2026'), gives 09:00-13:59 UTC; the contest page for the same edition says 06:00-13:59 UTC, 7 hours. The PDF is encoded; ask the organisers. The recurrence is this catalog's reading of that garbled sentence as the Sunday of the first full weekend of August.",
      "exchange": "RS(T) + serial number from 001 + 6-character locator",
      "country": "BG",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2030-08-12T13:59:00Z",
      "uid": "hemus-vhf-20300804T0900@contestcal",
      "start_date": "2030-08-04",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "2m"
      ],
      "duration_bucket": "2-12"
    }
  ]
}