{
  "contest": {
    "id": "ncj-sprint-rtty",
    "name": "North American Sprint, RTTY",
    "sponsor": "National Contest Journal (NCJ)",
    "sponsor_home": "https://ncjweb.com/north-american-sprint/",
    "country": "US",
    "summary": "Four-hour single-operator sprint on 80/40/20 m only. The QSY rule -- work one station per solicitation, then move at least 1 kHz -- makes it the most tactically demanding format in contesting.",
    "modes": [
      "RTTY"
    ],
    "bands": [
      "80m",
      "40m",
      "20m"
    ],
    "exchange": "Other station's call + your call + serial number + name + state/province/country ('DX' outside North America)",
    "power_categories": [],
    "log_format": "Cabrillo",
    "log_deadline_days": 7,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "NCJ Sprint rule 1: 'Any amateur radio licensee may enter.' Object is for North American stations to work as many amateurs as possible and for non-NA stations to work as many NA stations as possible."
    },
    "active_from": null,
    "active_until": null,
    "note": "Same 'manual' reasoning as the CW Sprint -- NCJ states dates, not a recurrence rule.",
    "verified": true,
    "rules_url": "https://www.ncjweb.com/Sprint-Rules.pdf",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-11",
    "source_note": "ncjweb.com/Sprint-Rules.pdf rule 4 Contest Periods: 'RTTY: 0000 until 0359 UTC, March 15, 2026' and 'RTTY: 0000 until 0359 UTC, September 20, 2026'. Table 1 (the 2026 Sprint calendar) repeats both and gives logs due March 22 and September 27."
  },
  "rule": {
    "plain": "Dates set by the sponsor each year (no derivable rule)",
    "raw": {
      "type": "manual",
      "dates": {
        "2026": [
          "2026-03-15",
          "2026-09-20"
        ]
      }
    },
    "start": {
      "day_offset": 0,
      "time": "0000"
    },
    "end": {
      "day_offset": 0,
      "time": "0359"
    },
    "sessions": null
  },
  "next": []
}