{
  "contest": {
    "id": "hrs-9a-activity",
    "name": "9A Activity Contest",
    "sponsor": "HRS",
    "sponsor_home": "https://www.hamradio.hr/",
    "country": "HR",
    "summary": "Croatia's monthly VHF-and-up activity contest: the third Sunday from January to November, five hours (eight in June).",
    "modes": [
      "CW",
      "SSB",
      "FM"
    ],
    "bands": [
      "6m",
      "4m",
      "2m",
      "70cm",
      "23cm"
    ],
    "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
    "power_categories": [],
    "log_format": "EDI",
    "log_deadline_days": 8,
    "log_submit_url": "https://www.hrvhf.net/",
    "timezone": "",
    "local_rolling": false,
    "eligibility": {
      "scope": "worldwide",
      "verified": false,
      "note": "'Sve licencirane postaje iz Republike Hrvatske i iz zemalja članica IARU-a' -- licensed stations from Croatia and from IARU member countries; not enumerated as an entity list."
    },
    "active_from": null,
    "active_until": null,
    "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
    "verified": true,
    "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
    "rules_url_pattern": "",
    "rules_url_archived": "",
    "rules_url_checked": "2026-10-15",
    "source_note": "hrvhf.net, 'Pravila UKV natjecanja 9A Activity Contest' (HRS's own VHF contest site): 'Termin svakog od 11 perioda je treća nedjelja u mjesecu i to počevši od siječnja i zaključno sa studenim'; 'Od 0700 do 1200 UTC, osim 6. perioda koji traje do 1500 UTC zbog preklapanja sa Alpe-Adria contestom'. Modes 'CW, SSB i FM'. Eligibility: 'sve licencirane postaje iz Republike Hrvatske i iz zemalja članica IARU-a'. Scoring 1 km = 1 point. Logs in EDI per band within 8 days of each period. Read 2026-10-15."
  },
  "rule": {
    "plain": "Third Sunday of January, February, March, April, May, June, July, August, September, October and November; June ends 1500 UTC instead of the usual hours",
    "raw": {
      "type": "monthly_nth_weekday",
      "n": 3,
      "weekday": 6,
      "months": [
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11
      ],
      "month_times": {
        "6": {
          "end": "1500"
        }
      }
    },
    "start": {
      "day_offset": 0,
      "time": "0700"
    },
    "end": {
      "day_offset": 0,
      "time": "1200"
    },
    "sessions": null
  },
  "next": [
    {
      "contest_id": "hrs-9a-activity",
      "name": "9A Activity Contest",
      "start": "2026-10-18T07:00:00Z",
      "end": "2026-10-18T12:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 5,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "23cm"
      ],
      "bands_note": "Every VHF, UHF and microwave band from 50 MHz to 250 GHz in the IARU Region 1 band plan; the controlled band set holds only the first five, the rest (2.3 GHz and up) are not filterable.",
      "sponsor": "HRS",
      "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
      "verified": true,
      "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
      "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
      "country": "HR",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2026-10-26T12:00:00Z",
      "uid": "hrs-9a-activity-20261018T0700@contestcal",
      "start_date": "2026-10-18",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "Microwave"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hrs-9a-activity",
      "name": "9A Activity Contest",
      "start": "2026-11-15T07:00:00Z",
      "end": "2026-11-15T12:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 5,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "23cm"
      ],
      "bands_note": "Every VHF, UHF and microwave band from 50 MHz to 250 GHz in the IARU Region 1 band plan; the controlled band set holds only the first five, the rest (2.3 GHz and up) are not filterable.",
      "sponsor": "HRS",
      "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
      "verified": true,
      "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
      "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
      "country": "HR",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2026-11-23T12:00:00Z",
      "uid": "hrs-9a-activity-20261115T0700@contestcal",
      "start_date": "2026-11-15",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "Microwave"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hrs-9a-activity",
      "name": "9A Activity Contest",
      "start": "2027-01-17T07:00:00Z",
      "end": "2027-01-17T12:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 5,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "23cm"
      ],
      "bands_note": "Every VHF, UHF and microwave band from 50 MHz to 250 GHz in the IARU Region 1 band plan; the controlled band set holds only the first five, the rest (2.3 GHz and up) are not filterable.",
      "sponsor": "HRS",
      "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
      "verified": true,
      "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
      "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
      "country": "HR",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-01-25T12:00:00Z",
      "uid": "hrs-9a-activity-20270117T0700@contestcal",
      "start_date": "2027-01-17",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "Microwave"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hrs-9a-activity",
      "name": "9A Activity Contest",
      "start": "2027-02-21T07:00:00Z",
      "end": "2027-02-21T12:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 5,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "23cm"
      ],
      "bands_note": "Every VHF, UHF and microwave band from 50 MHz to 250 GHz in the IARU Region 1 band plan; the controlled band set holds only the first five, the rest (2.3 GHz and up) are not filterable.",
      "sponsor": "HRS",
      "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
      "verified": true,
      "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
      "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
      "country": "HR",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-03-01T12:00:00Z",
      "uid": "hrs-9a-activity-20270221T0700@contestcal",
      "start_date": "2027-02-21",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "Microwave"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hrs-9a-activity",
      "name": "9A Activity Contest",
      "start": "2027-03-21T07:00:00Z",
      "end": "2027-03-21T12:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 5,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "23cm"
      ],
      "bands_note": "Every VHF, UHF and microwave band from 50 MHz to 250 GHz in the IARU Region 1 band plan; the controlled band set holds only the first five, the rest (2.3 GHz and up) are not filterable.",
      "sponsor": "HRS",
      "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
      "verified": true,
      "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
      "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
      "country": "HR",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-03-29T12:00:00Z",
      "uid": "hrs-9a-activity-20270321T0700@contestcal",
      "start_date": "2027-03-21",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "Microwave"
      ],
      "duration_bucket": "2-12"
    },
    {
      "contest_id": "hrs-9a-activity",
      "name": "9A Activity Contest",
      "start": "2027-04-18T07:00:00Z",
      "end": "2027-04-18T12:00:00Z",
      "start_wall": null,
      "end_wall": null,
      "local_rolling": false,
      "timezone": "",
      "duration_hours": 5,
      "modes": [
        "CW",
        "SSB",
        "FM"
      ],
      "submodes": [],
      "bands": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "23cm"
      ],
      "bands_note": "Every VHF, UHF and microwave band from 50 MHz to 250 GHz in the IARU Region 1 band plan; the controlled band set holds only the first five, the rest (2.3 GHz and up) are not filterable.",
      "sponsor": "HRS",
      "rules_url": "https://www.hrvhf.net/index.php/9a-activity-contest",
      "verified": true,
      "note": "Eleven periods a year, January to November: there is none in December. June (the sixth period) ends at 1500 UTC instead of 1200 because it overlaps the IARU R1 50/70 MHz contest. Categories include FM-only classes on 144 MHz.",
      "exchange": "RS(T), serial number (001 per band, restarting each period) and WW locator.",
      "country": "HR",
      "rules_url_archived": "",
      "rules_url_checked": "2026-10-15",
      "can_enter": true,
      "eligibility_scope": "worldwide",
      "eligibility_reason": "",
      "works": "everyone",
      "practical": "",
      "log_due": "2027-04-26T12:00:00Z",
      "uid": "hrs-9a-activity-20270418T0700@contestcal",
      "start_date": "2027-04-18",
      "mode_families": [
        "CW",
        "SSB",
        "FM"
      ],
      "band_families": [
        "6m",
        "4m",
        "2m",
        "70cm",
        "Microwave"
      ],
      "duration_bucket": "2-12"
    }
  ]
}