{
  "contest": {
    "id": "srr-digital-cup",
    "name": "SRR Cup on Digital Modes (RTTY)",
    "sponsor": "Russian Amateur Radio Union",
    "sponsor_home": "https://srr.ru/",
    "country": "RU",
    "summary": "The Russian Amateur Radio Union's RTTY cup, run as two four-hour rounds on a September weekend.",
    "modes": [
      "RTTY"
    ],
    "bands": [
      "80m",
      "40m",
      "20m",
      "15m",
      "10m"
    ],
    "exchange": "Serial number from 001 plus the first four characters of the QTH locator",
    "power_categories": [],
    "log_format": "",
    "log_deadline_days": null,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "Regulation has groups for Russian (A1/A2/B) and foreign (C1/C2) participants."
    },
    "active_from": null,
    "active_until": null,
    "note": "DATES ARE STATED PER EDITION; THE SPONSOR PUBLISHES NO RECURRENCE RULE. Only the dates the sponsor has actually published are encoded (20 and 21 September 2025); a year it has not announced yields nothing rather than a guess. If a stated rule turns up, this record upgrades from manual. No 2026 edition was seen on srr.ru.",
    "verified": true,
    "rules_url": "https://srr.ru/wp-content/uploads/2025/08/Reglament-Kubok-SRR-po-TSVS-2025-RTTY.pdf",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-10-15",
    "source_note": "srr.ru regulation 'Kubok SRR po TSVS 2025 RTTY': two rounds, Saturday 2025-09-20 15:00-18:59 UTC and Sunday 2025-09-21 06:00-09:59 UTC, RTTY45, 80/40/20/15/10 m, 8 counted hours; groups A1/A2/B (Russian stations) and C1/C2 (foreign). Read 2026-10-15."
  },
  "rule": {
    "plain": "Dates set by the sponsor each year (no derivable rule)",
    "raw": {
      "type": "manual",
      "dates": {
        "2025": [
          {
            "date": "2025-09-20",
            "start": "1500",
            "end": "1859"
          },
          {
            "date": "2025-09-21",
            "start": "0600",
            "end": "0959"
          }
        ]
      }
    },
    "start": {
      "day_offset": 0,
      "time": "1500"
    },
    "end": {
      "day_offset": 0,
      "time": "1859"
    },
    "sessions": null
  },
  "next": []
}