{
  "contest": {
    "id": "hamsat-sa-qo100-qso-party",
    "name": "HamSat-SA ZS QO-100 QSO Party",
    "sponsor": "HamSat-SA",
    "sponsor_home": "https://www.hamsatsa.co.za/",
    "country": "ZA",
    "summary": "Two hours through the QO-100 geostationary satellite on the second Sunday of February, South Africa to the world.",
    "modes": [
      "SSB"
    ],
    "bands": [
      "3cm"
    ],
    "exchange": "RS and grid locator.",
    "power_categories": [],
    "log_format": "",
    "log_deadline_days": null,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "The aim names 'radio amateurs from South Africa and the world', and QO-100's footprint covers Africa, Europe and much of Asia."
    },
    "active_from": null,
    "active_until": null,
    "note": "THE CATALOG'S FIRST SATELLITE CONTEST. Every contact is through QO-100, the geostationary amateur transponder, so the band recorded is 3 cm -- the 10 489 MHz downlink -- and a band filter will find it there. That is the honest token for the frequency in use, but it is worth knowing that this contest is nothing like the other 3 cm entries in the catalog: no terrestrial path is involved, and the equipment is a dish rather than a microwave rig. SOURCED FROM THE SARL CONTEST MANUAL, WHICH IS NOT AN AGGREGATOR. The manual carries this contest's FULL rules -- aim, dates, exchange, frequencies, scoring, log sheets -- and names its organising club, rather than summarising a calendar entry. It is the venue in which South African clubs publish their contest rules, the way DARC's Ausschreibungen or UBA's rules pages are, so it is a primary source for these contests and not a third-party listing. The distinction that matters: an aggregator republishes rules it found elsewhere, and this is where the rules appear.",
    "verified": true,
    "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/12/2026-SARL-Contest-Manual-Version-1.1-2025-12-15.pdf",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-08-19",
    "source_note": "2026 SARL Contest Manual Version 1.1 (2025-12-15), mysarl.org.za, 'The HamSat-SA ZS QO-100 QSO Party': '1. Aim This is a fun activity to promote contacts between radio amateurs from South Africa and the world using the QO-100 satellite. The aim for stations from ZS to as many different countries as possible.' '2. Date and Time From 13:00 to 15:00 UTC on 2nd Sunday February - 8 February 2026.' '3. Exchange RS and Grid locator.' '4. Frequency SSB: 10 489,870 to 10 489,990.' Log sheets: 'Excel Log sheets template available from https://www.hamsatsa.co.za/hamsat-sa-satellite-competitions/.'"
  },
  "rule": {
    "plain": "Second Sunday of February",
    "raw": {
      "type": "nth_weekday",
      "month": 2,
      "n": 2,
      "weekday": 6
    },
    "start": {
      "day_offset": 0,
      "time": "1300"
    },
    "end": {
      "day_offset": 0,
      "time": "1500"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "hamsat-sa-qo100-qso-party",
      "name": "HamSat-SA ZS QO-100 QSO Party",
      "start": "2027-02-14T13:00:00Z",
      "end": "2027-02-14T15:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2,
      "modes": [
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "3cm"
      ],
      "bands_note": "Through the QO-100 geostationary satellite: SSB on 10 489.870 to 10 489.990 MHz, which is the 3 cm band.",
      "sponsor": "HamSat-SA",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/12/2026-SARL-Contest-Manual-Version-1.1-2025-12-15.pdf",
      "verified": true,
      "note": "THE CATALOG'S FIRST SATELLITE CONTEST. Every contact is through QO-100, the geostationary amateur transponder, so the band recorded is 3 cm -- the 10 489 MHz downlink -- and a band filter will find it there. That is the honest token for the frequency in use, but it is worth knowing that this contest is nothing like the other 3 cm entries in the catalog: no terrestrial path is involved, and the equipment is a dish rather than a microwave rig. SOURCED FROM THE SARL CONTEST MANUAL, WHICH IS NOT AN AGGREGATOR. The manual carries this contest's FULL rules -- aim, dates, exchange, frequencies, scoring, log sheets -- and names its organising club, rather than summarising a calendar entry. It is the venue in which South African clubs publish their contest rules, the way DARC's Ausschreibungen or UBA's rules pages are, so it is a primary source for these contests and not a third-party listing. The distinction that matters: an aggregator republishes rules it found elsewhere, and this is where the rules appear.",
      "exchange": "RS and grid locator.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "hamsat-sa-qo100-qso-party-20270214T1300@contestcal",
      "start_date": "2027-02-14",
      "mode_families": [
        "SSB"
      ],
      "band_families": [
        "VHF+"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hamsat-sa-qo100-qso-party",
      "name": "HamSat-SA ZS QO-100 QSO Party",
      "start": "2028-02-13T13:00:00Z",
      "end": "2028-02-13T15:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2,
      "modes": [
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "3cm"
      ],
      "bands_note": "Through the QO-100 geostationary satellite: SSB on 10 489.870 to 10 489.990 MHz, which is the 3 cm band.",
      "sponsor": "HamSat-SA",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/12/2026-SARL-Contest-Manual-Version-1.1-2025-12-15.pdf",
      "verified": true,
      "note": "THE CATALOG'S FIRST SATELLITE CONTEST. Every contact is through QO-100, the geostationary amateur transponder, so the band recorded is 3 cm -- the 10 489 MHz downlink -- and a band filter will find it there. That is the honest token for the frequency in use, but it is worth knowing that this contest is nothing like the other 3 cm entries in the catalog: no terrestrial path is involved, and the equipment is a dish rather than a microwave rig. SOURCED FROM THE SARL CONTEST MANUAL, WHICH IS NOT AN AGGREGATOR. The manual carries this contest's FULL rules -- aim, dates, exchange, frequencies, scoring, log sheets -- and names its organising club, rather than summarising a calendar entry. It is the venue in which South African clubs publish their contest rules, the way DARC's Ausschreibungen or UBA's rules pages are, so it is a primary source for these contests and not a third-party listing. The distinction that matters: an aggregator republishes rules it found elsewhere, and this is where the rules appear.",
      "exchange": "RS and grid locator.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "hamsat-sa-qo100-qso-party-20280213T1300@contestcal",
      "start_date": "2028-02-13",
      "mode_families": [
        "SSB"
      ],
      "band_families": [
        "VHF+"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hamsat-sa-qo100-qso-party",
      "name": "HamSat-SA ZS QO-100 QSO Party",
      "start": "2029-02-11T13:00:00Z",
      "end": "2029-02-11T15:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2,
      "modes": [
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "3cm"
      ],
      "bands_note": "Through the QO-100 geostationary satellite: SSB on 10 489.870 to 10 489.990 MHz, which is the 3 cm band.",
      "sponsor": "HamSat-SA",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/12/2026-SARL-Contest-Manual-Version-1.1-2025-12-15.pdf",
      "verified": true,
      "note": "THE CATALOG'S FIRST SATELLITE CONTEST. Every contact is through QO-100, the geostationary amateur transponder, so the band recorded is 3 cm -- the 10 489 MHz downlink -- and a band filter will find it there. That is the honest token for the frequency in use, but it is worth knowing that this contest is nothing like the other 3 cm entries in the catalog: no terrestrial path is involved, and the equipment is a dish rather than a microwave rig. SOURCED FROM THE SARL CONTEST MANUAL, WHICH IS NOT AN AGGREGATOR. The manual carries this contest's FULL rules -- aim, dates, exchange, frequencies, scoring, log sheets -- and names its organising club, rather than summarising a calendar entry. It is the venue in which South African clubs publish their contest rules, the way DARC's Ausschreibungen or UBA's rules pages are, so it is a primary source for these contests and not a third-party listing. The distinction that matters: an aggregator republishes rules it found elsewhere, and this is where the rules appear.",
      "exchange": "RS and grid locator.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "hamsat-sa-qo100-qso-party-20290211T1300@contestcal",
      "start_date": "2029-02-11",
      "mode_families": [
        "SSB"
      ],
      "band_families": [
        "VHF+"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hamsat-sa-qo100-qso-party",
      "name": "HamSat-SA ZS QO-100 QSO Party",
      "start": "2030-02-10T13:00:00Z",
      "end": "2030-02-10T15:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 2,
      "modes": [
        "SSB"
      ],
      "submodes": [],
      "bands": [
        "3cm"
      ],
      "bands_note": "Through the QO-100 geostationary satellite: SSB on 10 489.870 to 10 489.990 MHz, which is the 3 cm band.",
      "sponsor": "HamSat-SA",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/12/2026-SARL-Contest-Manual-Version-1.1-2025-12-15.pdf",
      "verified": true,
      "note": "THE CATALOG'S FIRST SATELLITE CONTEST. Every contact is through QO-100, the geostationary amateur transponder, so the band recorded is 3 cm -- the 10 489 MHz downlink -- and a band filter will find it there. That is the honest token for the frequency in use, but it is worth knowing that this contest is nothing like the other 3 cm entries in the catalog: no terrestrial path is involved, and the equipment is a dish rather than a microwave rig. SOURCED FROM THE SARL CONTEST MANUAL, WHICH IS NOT AN AGGREGATOR. The manual carries this contest's FULL rules -- aim, dates, exchange, frequencies, scoring, log sheets -- and names its organising club, rather than summarising a calendar entry. It is the venue in which South African clubs publish their contest rules, the way DARC's Ausschreibungen or UBA's rules pages are, so it is a primary source for these contests and not a third-party listing. The distinction that matters: an aggregator republishes rules it found elsewhere, and this is where the rules appear.",
      "exchange": "RS and grid locator.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": null,
      "uid": "hamsat-sa-qo100-qso-party-20300210T1300@contestcal",
      "start_date": "2030-02-10",
      "mode_families": [
        "SSB"
      ],
      "band_families": [
        "VHF+"
      ],
      "duration_bucket": "2-12"
    }
  ]
}