{
  "contest": {
    "id": "wia-trans-tasman",
    "name": "Trans-Tasman Low-Band Contest",
    "sponsor": "WIA",
    "sponsor_home": "https://www.wia.org.au/",
    "country": "AU",
    "summary": "Six hours across the Tasman on 160, 80 and 40 metres, on the Saturday night of the third full weekend in July.",
    "modes": [
      "SSB",
      "CW",
      "Digital",
      "RTTY"
    ],
    "bands": [
      "160m",
      "80m",
      "40m"
    ],
    "exchange": "RS(T) and a serial number starting at 001",
    "power_categories": [
      {
        "name": "High Power",
        "max_watts": null
      },
      {
        "name": "Low Power",
        "max_watts": 100
      },
      {
        "name": "QRP",
        "max_watts": 5
      }
    ],
    "log_format": "Cabrillo",
    "log_deadline_days": 8,
    "log_submit_url": "https://www.vklogchecker.com/",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "WIA: 'Amateurs in VK and ZL will endeavour to contact other amateurs in VK and ZL.'"
    },
    "active_from": null,
    "active_until": null,
    "note": "WIA runs one digital section covering PSK and RTTY, scored together. Both Digital and RTTY are recorded as modes because both are named in the rules, and a band-and-mode filter for either one should find this contest; PSK has no token in this catalog's vocabulary, so it sits in submodes.",
    "verified": true,
    "rules_url": "https://www.wia.org.au/members/contests/transtasman/",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-17",
    "source_note": "wia.org.au (Trans-Tasman Low-Band Contest rules): 'The contest is held on the Saturday night of the third full weekend of July.' and 'Start Time is 08:00 UTC and finish time is 14:00 UTC'. Bands: 'Bands: 160M 80M 40M'. Modes: 'Modes: SSB, CW and Digital (Digital includes PSK or RTTY only)' with 'PSK and RTTY are the only allowed digital modes and are combined, not counted separately.' Categories: 'Single Operator - High Power', 'Single Operator - Low Power (100 watts)', 'Single Operator - QRP*' with '* QRP stations are limited to 5 Watts average (CW/RTTY/PSK) or PEP (SSB) at the transmitter output.' Logs: 'LOGS ARE DUE WITHIN 8 DAYS OF CONTEST COMPLETION.' via vklogchecker.com or ttlogs@wia.org.au. The third full weekend of July 2026 is July 18-19, so the contest runs the evening of July 18."
  },
  "rule": {
    "plain": "Third full weekend of July",
    "raw": {
      "type": "nth_full_weekend",
      "month": 7,
      "n": 3
    },
    "start": {
      "day_offset": 0,
      "time": "0800"
    },
    "end": {
      "day_offset": 0,
      "time": "1400"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "wia-trans-tasman",
      "name": "Trans-Tasman Low-Band Contest",
      "start": "2027-07-17T08:00:00Z",
      "end": "2027-07-17T14:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6,
      "modes": [
        "SSB",
        "CW",
        "Digital",
        "RTTY"
      ],
      "submodes": [
        "PSK"
      ],
      "bands": [
        "160m",
        "80m",
        "40m"
      ],
      "bands_note": "SSB voice transmission should be within 1843-1875, 3535-3570 and 3600-3700, 7080-7300KHz. Do not use voice in the digital section 3570-3600KHz",
      "sponsor": "WIA",
      "rules_url": "https://www.wia.org.au/members/contests/transtasman/",
      "verified": true,
      "note": "WIA runs one digital section covering PSK and RTTY, scored together. Both Digital and RTTY are recorded as modes because both are named in the rules, and a band-and-mode filter for either one should find this contest; PSK has no token in this catalog's vocabulary, so it sits in submodes.",
      "exchange": "RS(T) and a serial number starting at 001",
      "country": "AU",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-17",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-07-25T14:00:00Z",
      "uid": "wia-trans-tasman-20270717T0800@contestcal",
      "start_date": "2027-07-17",
      "mode_families": [
        "CW",
        "SSB",
        "RTTY",
        "Digital"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "wia-trans-tasman",
      "name": "Trans-Tasman Low-Band Contest",
      "start": "2028-07-15T08:00:00Z",
      "end": "2028-07-15T14:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6,
      "modes": [
        "SSB",
        "CW",
        "Digital",
        "RTTY"
      ],
      "submodes": [
        "PSK"
      ],
      "bands": [
        "160m",
        "80m",
        "40m"
      ],
      "bands_note": "SSB voice transmission should be within 1843-1875, 3535-3570 and 3600-3700, 7080-7300KHz. Do not use voice in the digital section 3570-3600KHz",
      "sponsor": "WIA",
      "rules_url": "https://www.wia.org.au/members/contests/transtasman/",
      "verified": true,
      "note": "WIA runs one digital section covering PSK and RTTY, scored together. Both Digital and RTTY are recorded as modes because both are named in the rules, and a band-and-mode filter for either one should find this contest; PSK has no token in this catalog's vocabulary, so it sits in submodes.",
      "exchange": "RS(T) and a serial number starting at 001",
      "country": "AU",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-17",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-07-23T14:00:00Z",
      "uid": "wia-trans-tasman-20280715T0800@contestcal",
      "start_date": "2028-07-15",
      "mode_families": [
        "CW",
        "SSB",
        "RTTY",
        "Digital"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "wia-trans-tasman",
      "name": "Trans-Tasman Low-Band Contest",
      "start": "2029-07-21T08:00:00Z",
      "end": "2029-07-21T14:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6,
      "modes": [
        "SSB",
        "CW",
        "Digital",
        "RTTY"
      ],
      "submodes": [
        "PSK"
      ],
      "bands": [
        "160m",
        "80m",
        "40m"
      ],
      "bands_note": "SSB voice transmission should be within 1843-1875, 3535-3570 and 3600-3700, 7080-7300KHz. Do not use voice in the digital section 3570-3600KHz",
      "sponsor": "WIA",
      "rules_url": "https://www.wia.org.au/members/contests/transtasman/",
      "verified": true,
      "note": "WIA runs one digital section covering PSK and RTTY, scored together. Both Digital and RTTY are recorded as modes because both are named in the rules, and a band-and-mode filter for either one should find this contest; PSK has no token in this catalog's vocabulary, so it sits in submodes.",
      "exchange": "RS(T) and a serial number starting at 001",
      "country": "AU",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-17",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-07-29T14:00:00Z",
      "uid": "wia-trans-tasman-20290721T0800@contestcal",
      "start_date": "2029-07-21",
      "mode_families": [
        "CW",
        "SSB",
        "RTTY",
        "Digital"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "wia-trans-tasman",
      "name": "Trans-Tasman Low-Band Contest",
      "start": "2030-07-20T08:00:00Z",
      "end": "2030-07-20T14:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 6,
      "modes": [
        "SSB",
        "CW",
        "Digital",
        "RTTY"
      ],
      "submodes": [
        "PSK"
      ],
      "bands": [
        "160m",
        "80m",
        "40m"
      ],
      "bands_note": "SSB voice transmission should be within 1843-1875, 3535-3570 and 3600-3700, 7080-7300KHz. Do not use voice in the digital section 3570-3600KHz",
      "sponsor": "WIA",
      "rules_url": "https://www.wia.org.au/members/contests/transtasman/",
      "verified": true,
      "note": "WIA runs one digital section covering PSK and RTTY, scored together. Both Digital and RTTY are recorded as modes because both are named in the rules, and a band-and-mode filter for either one should find this contest; PSK has no token in this catalog's vocabulary, so it sits in submodes.",
      "exchange": "RS(T) and a serial number starting at 001",
      "country": "AU",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-17",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2030-07-28T14:00:00Z",
      "uid": "wia-trans-tasman-20300720T0800@contestcal",
      "start_date": "2030-07-20",
      "mode_families": [
        "CW",
        "SSB",
        "RTTY",
        "Digital"
      ],
      "band_families": [
        "160m",
        "80m",
        "40m"
      ],
      "duration_bucket": "2-12"
    }
  ]
}