{
  "contest": {
    "id": "sarl-hf-digital",
    "name": "SARL HF Digital Contest",
    "sponsor": "SARL",
    "sponsor_home": "https://mysarl.org.za/",
    "country": "ZA",
    "summary": "The digital leg of SARL's August HF series: three hours of FT4 and FT8 on 20, 40 and 80 m, on the second Sunday.",
    "modes": [
      "FT8/FT4"
    ],
    "bands": [
      "80m",
      "40m",
      "20m"
    ],
    "exchange": "Minimally a signal strength report and RRR/73/RRR73 and a serial number in each direction between the two parties.",
    "power_categories": [],
    "log_format": "ADIF, Cabrillo or MS Excel",
    "log_deadline_days": 5,
    "log_submit_url": "",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": true,
      "note": "The aim is 'to contact as many amateurs in Southern Africa as possible', but the scoring table's Area 9 is 'Stations in the rest of the world', so entry is not restricted to South Africa. This corrects an earlier assumption in this catalog that SARL contests were ZS-only, which was flagged 'Confirm' and turned out to be wrong."
    },
    "active_from": null,
    "active_until": null,
    "note": "Starts an hour earlier than the Phone and CW legs -- 13:00 UTC, not 14:00 -- which is SARL's own wording and not a transcription slip. log_deadline_days is 5, which is the right DAY and not the right hour: SARL states 'by 21:59 UTC on Friday', and the contest ends at 17:00 UTC on the Sunday five days before, so the engine's derived log_due lands at 17:00 rather than 21:59. The day is exact in every year because both ends are tied to the same Sunday. The five hours are recorded here rather than papered over.",
    "verified": true,
    "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/11/2026-The-SARL-HF-Phone-Digital-and-CW-Contests-v1.1.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: '2.2. HF Digital Contest on (2nd Sunday) 9 August 2026 13:00 UTC to 16:00 UTC'. Modes: '3.3. FT4 and FT8 as Digital modes: The default frequencies for FT4 and FT8 in WSJT-X for the three contest frequencies of 20m, 40m and 80m.' Exchange: '5.2. FT4 and FT8 minimally a signal strength report and RRR/73/RRR73 and a serial number in each direction between the two parties.' Checked against SARL's own published dates as well as its rules: SARL publishes SARL-Contests-2026-Calendar.ics on the same page, whose times carry TZID=\"South Africa Standard Time\" (a fixed +0200, no DST -- its own X-CALSTART confirms 09:00 local as 07:00Z). That calendar is an independent second source for every date encoded here."
  },
  "rule": {
    "plain": "Second Sunday of August",
    "raw": {
      "type": "nth_weekday",
      "month": 8,
      "n": 2,
      "weekday": 6
    },
    "start": {
      "day_offset": 0,
      "time": "1300"
    },
    "end": {
      "day_offset": 0,
      "time": "1600"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "sarl-hf-digital",
      "name": "SARL HF Digital Contest",
      "start": "2027-08-08T13:00:00Z",
      "end": "2027-08-08T16:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 3,
      "modes": [
        "FT8/FT4"
      ],
      "submodes": [
        "FT4",
        "FT8"
      ],
      "bands": [
        "80m",
        "40m",
        "20m"
      ],
      "bands_note": "20, 40 and 80 m. SSB 14 125-14 350, 7 063-7 100 and 7 130-7 200, 3 603-3 650 and 3 700-3 800 kHz; CW 14 020-14 030, 7 000-7 040, 3 510-3 560 kHz. The segments 7 100-7 130 and 3 651-3 699 kHz are contest free.",
      "sponsor": "SARL",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/11/2026-The-SARL-HF-Phone-Digital-and-CW-Contests-v1.1.pdf",
      "verified": true,
      "note": "Starts an hour earlier than the Phone and CW legs -- 13:00 UTC, not 14:00 -- which is SARL's own wording and not a transcription slip. log_deadline_days is 5, which is the right DAY and not the right hour: SARL states 'by 21:59 UTC on Friday', and the contest ends at 17:00 UTC on the Sunday five days before, so the engine's derived log_due lands at 17:00 rather than 21:59. The day is exact in every year because both ends are tied to the same Sunday. The five hours are recorded here rather than papered over.",
      "exchange": "Minimally a signal strength report and RRR/73/RRR73 and a serial number in each direction between the two parties.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-08-13T16:00:00Z",
      "uid": "sarl-hf-digital-20270808T1300@contestcal",
      "start_date": "2027-08-08",
      "mode_families": [
        "Digital",
        "FT8/FT4"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "sarl-hf-digital",
      "name": "SARL HF Digital Contest",
      "start": "2028-08-13T13:00:00Z",
      "end": "2028-08-13T16:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 3,
      "modes": [
        "FT8/FT4"
      ],
      "submodes": [
        "FT4",
        "FT8"
      ],
      "bands": [
        "80m",
        "40m",
        "20m"
      ],
      "bands_note": "20, 40 and 80 m. SSB 14 125-14 350, 7 063-7 100 and 7 130-7 200, 3 603-3 650 and 3 700-3 800 kHz; CW 14 020-14 030, 7 000-7 040, 3 510-3 560 kHz. The segments 7 100-7 130 and 3 651-3 699 kHz are contest free.",
      "sponsor": "SARL",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/11/2026-The-SARL-HF-Phone-Digital-and-CW-Contests-v1.1.pdf",
      "verified": true,
      "note": "Starts an hour earlier than the Phone and CW legs -- 13:00 UTC, not 14:00 -- which is SARL's own wording and not a transcription slip. log_deadline_days is 5, which is the right DAY and not the right hour: SARL states 'by 21:59 UTC on Friday', and the contest ends at 17:00 UTC on the Sunday five days before, so the engine's derived log_due lands at 17:00 rather than 21:59. The day is exact in every year because both ends are tied to the same Sunday. The five hours are recorded here rather than papered over.",
      "exchange": "Minimally a signal strength report and RRR/73/RRR73 and a serial number in each direction between the two parties.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2028-08-18T16:00:00Z",
      "uid": "sarl-hf-digital-20280813T1300@contestcal",
      "start_date": "2028-08-13",
      "mode_families": [
        "Digital",
        "FT8/FT4"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "sarl-hf-digital",
      "name": "SARL HF Digital Contest",
      "start": "2029-08-12T13:00:00Z",
      "end": "2029-08-12T16:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 3,
      "modes": [
        "FT8/FT4"
      ],
      "submodes": [
        "FT4",
        "FT8"
      ],
      "bands": [
        "80m",
        "40m",
        "20m"
      ],
      "bands_note": "20, 40 and 80 m. SSB 14 125-14 350, 7 063-7 100 and 7 130-7 200, 3 603-3 650 and 3 700-3 800 kHz; CW 14 020-14 030, 7 000-7 040, 3 510-3 560 kHz. The segments 7 100-7 130 and 3 651-3 699 kHz are contest free.",
      "sponsor": "SARL",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/11/2026-The-SARL-HF-Phone-Digital-and-CW-Contests-v1.1.pdf",
      "verified": true,
      "note": "Starts an hour earlier than the Phone and CW legs -- 13:00 UTC, not 14:00 -- which is SARL's own wording and not a transcription slip. log_deadline_days is 5, which is the right DAY and not the right hour: SARL states 'by 21:59 UTC on Friday', and the contest ends at 17:00 UTC on the Sunday five days before, so the engine's derived log_due lands at 17:00 rather than 21:59. The day is exact in every year because both ends are tied to the same Sunday. The five hours are recorded here rather than papered over.",
      "exchange": "Minimally a signal strength report and RRR/73/RRR73 and a serial number in each direction between the two parties.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2029-08-17T16:00:00Z",
      "uid": "sarl-hf-digital-20290812T1300@contestcal",
      "start_date": "2029-08-12",
      "mode_families": [
        "Digital",
        "FT8/FT4"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "sarl-hf-digital",
      "name": "SARL HF Digital Contest",
      "start": "2030-08-11T13:00:00Z",
      "end": "2030-08-11T16:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 3,
      "modes": [
        "FT8/FT4"
      ],
      "submodes": [
        "FT4",
        "FT8"
      ],
      "bands": [
        "80m",
        "40m",
        "20m"
      ],
      "bands_note": "20, 40 and 80 m. SSB 14 125-14 350, 7 063-7 100 and 7 130-7 200, 3 603-3 650 and 3 700-3 800 kHz; CW 14 020-14 030, 7 000-7 040, 3 510-3 560 kHz. The segments 7 100-7 130 and 3 651-3 699 kHz are contest free.",
      "sponsor": "SARL",
      "rules_url": "https://mysarl.org.za/wp-content/uploads/2025/11/2026-The-SARL-HF-Phone-Digital-and-CW-Contests-v1.1.pdf",
      "verified": true,
      "note": "Starts an hour earlier than the Phone and CW legs -- 13:00 UTC, not 14:00 -- which is SARL's own wording and not a transcription slip. log_deadline_days is 5, which is the right DAY and not the right hour: SARL states 'by 21:59 UTC on Friday', and the contest ends at 17:00 UTC on the Sunday five days before, so the engine's derived log_due lands at 17:00 rather than 21:59. The day is exact in every year because both ends are tied to the same Sunday. The five hours are recorded here rather than papered over.",
      "exchange": "Minimally a signal strength report and RRR/73/RRR73 and a serial number in each direction between the two parties.",
      "country": "ZA",
      "rules_url_archived": "",
      "rules_url_checked": "2026-08-19",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2030-08-16T16:00:00Z",
      "uid": "sarl-hf-digital-20300811T1300@contestcal",
      "start_date": "2030-08-11",
      "mode_families": [
        "Digital",
        "FT8/FT4"
      ],
      "band_families": [
        "80m",
        "40m",
        "20m"
      ],
      "duration_bucket": "2-12"
    }
  ]
}