{ "contest": { "id": "jarl-6m-and-down", "name": "6m AND DOWN Contest", "sponsor": "JARL", "sponsor_home": "https://www.jarl.org/", "country": "JP", "summary": "Japan's VHF and up contest: 2100 JST Saturday to 1500 Sunday on the first July weekend, 6 m through the microwave bands.", "modes": [ "CW", "SSB", "FM" ], "bands": [ "6m", "2m", "70cm", "23cm", "13cm", "3cm" ], "exchange": "On 50 MHz to 1200 MHz: RST, the prefecture or region number, and the power letter. On 2400 MHz and above: RST, the city, county or ward number, and the power letter.", "power_categories": [], "log_format": "", "log_deadline_days": null, "log_submit_url": "", "timezone": "Asia/Tokyo", "local_rolling": false, "eligibility": { "scope": "entity_list", "entities": [ "JA" ], "verified": true, "note": "'2 参加資格 日本国内のアマチュア局およびSWL（アマチュア局の電波を受信する個人をいう）' -- amateur stations within Japan, and SWLs. All four of JARL's domestic contests carry the same clause. A JA station can be WORKED from anywhere, which is why the record exists; entry is the part that is restricted." }, "active_from": null, "active_until": null, "note": "Eighteen hours, not a full day: it opens at 2100 and closes at 1500, so the overnight VHF opening is the point of it. Encoded as wall_clock in Asia/Tokyo because that is how JARL states it -- 21時00分（JST） -- rather than converted to a fixed UTC time by hand. Japan has not observed daylight saving since 1952, so the two are identical in practice and will stay so; the record says what the sponsor said and lets the engine do the arithmetic. log_deadline_days is absent. JARL prints a dated deadline above the rules for the edition in hand -- ALL JA 2026 is '提出締切日 2026年5月6日（水）必着' -- and the numbered 規約 clauses that follow state the dates, eligibility, bands, categories and exchange but no submission span. All four of JARL's 2026 deadlines happen to fall exactly ten days after their contest ends, which is suggestive and is not a rule JARL wrote. The same reasoning already keeps a deadline off JARL's All Asian records.", "verified": true, "rules_url": "https://www.jarl.org/Japanese/1_Tanoshimo/1-1_Contest/6d_rules.html", "rules_url_pattern": "", "rules_url_archived": "", "rules_url_checked": "2026-08-19", "source_note": "jarl.org, 6m AND DOWNコンテスト規約 (第56回): '1 開催日時 毎年7月の第1土曜日21時00分～翌日の15時00分（JST）' -- the first Saturday of July, 21:00 to 15:00 the following day. The 2026 running is stated separately as '2026年7月4日（土）21時00分（JST）から7月5日（日）15時00分（JST）まで', which the rule reproduces. Bands: '3 使用周波数帯 下表のコンテスト使用周波数帯および1200MHz以上の各アマチュアバンドとする'." }, "rule": { "plain": "First Saturday of July", "raw": { "type": "nth_weekday", "month": 7, "n": 1, "weekday": 5 }, "start": { "day_offset": 0, "time": "2100", "wall_clock": true }, "end": { "day_offset": 1, "time": "1500", "wall_clock": true }, "sessions": null }, "next": [ { "contest_id": "jarl-6m-and-down", "name": "6m AND DOWN Contest", "start": "2027-07-03T12:00:00Z", "end": "2027-07-04T06:00:00Z", "start_wall": "2027-07-03T21:00:00", "end_wall": "2027-07-04T15:00:00", "local_rolling": false, "timezone": "Asia/Tokyo", "duration_hours": 18, "modes": [ "CW", "SSB", "FM" ], "submodes": [ "AM" ], "bands": [ "6m", "2m", "70cm", "23cm", "13cm", "3cm" ], "bands_note": "50, 144 and 430 MHz plus every amateur band at 1200 MHz and above -- JARL's categories run 1200, 2400 and 5600 MHz and 10.1 GHz and up. The 5600 MHz band has no token in this catalog's band vocabulary and is recorded only here.", "sponsor": "JARL", "rules_url": "https://www.jarl.org/Japanese/1_Tanoshimo/1-1_Contest/6d_rules.html", "verified": true, "note": "Eighteen hours, not a full day: it opens at 2100 and closes at 1500, so the overnight VHF opening is the point of it. Encoded as wall_clock in Asia/Tokyo because that is how JARL states it -- 21時00分（JST） -- rather than converted to a fixed UTC time by hand. Japan has not observed daylight saving since 1952, so the two are identical in practice and will stay so; the record says what the sponsor said and lets the engine do the arithmetic. log_deadline_days is absent. JARL prints a dated deadline above the rules for the edition in hand -- ALL JA 2026 is '提出締切日 2026年5月6日（水）必着' -- and the numbered 規約 clauses that follow state the dates, eligibility, bands, categories and exchange but no submission span. All four of JARL's 2026 deadlines happen to fall exactly ten days after their contest ends, which is suggestive and is not a rule JARL wrote. The same reasoning already keeps a deadline off JARL's All Asian records.", "exchange": "On 50 MHz to 1200 MHz: RST, the prefecture or region number, and the power letter. On 2400 MHz and above: RST, the city, county or ward number, and the power letter.", "country": "JP", "rules_url_archived": "", "rules_url_checked": "2026-08-19", "can_enter": false, "eligibility_scope": "entity_list", "eligibility_reason": "Entry limited to JA. K stations may be worked but cannot submit an entry.", "works": "everyone", "practical": "", "log_due": null, "uid": "jarl-6m-and-down-20270703T1200@contestcal", "start_date": "2027-07-03", "mode_families": [ "CW", "SSB", "FM" ], "band_families": [ "6m", "VHF+" ], "duration_bucket": "12-24" }, { "contest_id": "jarl-6m-and-down", "name": "6m AND DOWN Contest", "start": "2028-07-01T12:00:00Z", "end": "2028-07-02T06:00:00Z", "start_wall": "2028-07-01T21:00:00", "end_wall": "2028-07-02T15:00:00", "local_rolling": false, "timezone": "Asia/Tokyo", "duration_hours": 18, "modes": [ "CW", "SSB", "FM" ], "submodes": [ "AM" ], "bands": [ "6m", "2m", "70cm", "23cm", "13cm", "3cm" ], "bands_note": "50, 144 and 430 MHz plus every amateur band at 1200 MHz and above -- JARL's categories run 1200, 2400 and 5600 MHz and 10.1 GHz and up. The 5600 MHz band has no token in this catalog's band vocabulary and is recorded only here.", "sponsor": "JARL", "rules_url": "https://www.jarl.org/Japanese/1_Tanoshimo/1-1_Contest/6d_rules.html", "verified": true, "note": "Eighteen hours, not a full day: it opens at 2100 and closes at 1500, so the overnight VHF opening is the point of it. Encoded as wall_clock in Asia/Tokyo because that is how JARL states it -- 21時00分（JST） -- rather than converted to a fixed UTC time by hand. Japan has not observed daylight saving since 1952, so the two are identical in practice and will stay so; the record says what the sponsor said and lets the engine do the arithmetic. log_deadline_days is absent. JARL prints a dated deadline above the rules for the edition in hand -- ALL JA 2026 is '提出締切日 2026年5月6日（水）必着' -- and the numbered 規約 clauses that follow state the dates, eligibility, bands, categories and exchange but no submission span. All four of JARL's 2026 deadlines happen to fall exactly ten days after their contest ends, which is suggestive and is not a rule JARL wrote. The same reasoning already keeps a deadline off JARL's All Asian records.", "exchange": "On 50 MHz to 1200 MHz: RST, the prefecture or region number, and the power letter. On 2400 MHz and above: RST, the city, county or ward number, and the power letter.", "country": "JP", "rules_url_archived": "", "rules_url_checked": "2026-08-19", "can_enter": false, "eligibility_scope": "entity_list", "eligibility_reason": "Entry limited to JA. K stations may be worked but cannot submit an entry.", "works": "everyone", "practical": "", "log_due": null, "uid": "jarl-6m-and-down-20280701T1200@contestcal", "start_date": "2028-07-01", "mode_families": [ "CW", "SSB", "FM" ], "band_families": [ "6m", "VHF+" ], "duration_bucket": "12-24" }, { "contest_id": "jarl-6m-and-down", "name": "6m AND DOWN Contest", "start": "2029-07-07T12:00:00Z", "end": "2029-07-08T06:00:00Z", "start_wall": "2029-07-07T21:00:00", "end_wall": "2029-07-08T15:00:00", "local_rolling": false, "timezone": "Asia/Tokyo", "duration_hours": 18, "modes": [ "CW", "SSB", "FM" ], "submodes": [ "AM" ], "bands": [ "6m", "2m", "70cm", "23cm", "13cm", "3cm" ], "bands_note": "50, 144 and 430 MHz plus every amateur band at 1200 MHz and above -- JARL's categories run 1200, 2400 and 5600 MHz and 10.1 GHz and up. The 5600 MHz band has no token in this catalog's band vocabulary and is recorded only here.", "sponsor": "JARL", "rules_url": "https://www.jarl.org/Japanese/1_Tanoshimo/1-1_Contest/6d_rules.html", "verified": true, "note": "Eighteen hours, not a full day: it opens at 2100 and closes at 1500, so the overnight VHF opening is the point of it. Encoded as wall_clock in Asia/Tokyo because that is how JARL states it -- 21時00分（JST） -- rather than converted to a fixed UTC time by hand. Japan has not observed daylight saving since 1952, so the two are identical in practice and will stay so; the record says what the sponsor said and lets the engine do the arithmetic. log_deadline_days is absent. JARL prints a dated deadline above the rules for the edition in hand -- ALL JA 2026 is '提出締切日 2026年5月6日（水）必着' -- and the numbered 規約 clauses that follow state the dates, eligibility, bands, categories and exchange but no submission span. All four of JARL's 2026 deadlines happen to fall exactly ten days after their contest ends, which is suggestive and is not a rule JARL wrote. The same reasoning already keeps a deadline off JARL's All Asian records.", "exchange": "On 50 MHz to 1200 MHz: RST, the prefecture or region number, and the power letter. On 2400 MHz and above: RST, the city, county or ward number, and the power letter.", "country": "JP", "rules_url_archived": "", "rules_url_checked": "2026-08-19", "can_enter": false, "eligibility_scope": "entity_list", "eligibility_reason": "Entry limited to JA. K stations may be worked but cannot submit an entry.", "works": "everyone", "practical": "", "log_due": null, "uid": "jarl-6m-and-down-20290707T1200@contestcal", "start_date": "2029-07-07", "mode_families": [ "CW", "SSB", "FM" ], "band_families": [ "6m", "VHF+" ], "duration_bucket": "12-24" }, { "contest_id": "jarl-6m-and-down", "name": "6m AND DOWN Contest", "start": "2030-07-06T12:00:00Z", "end": "2030-07-07T06:00:00Z", "start_wall": "2030-07-06T21:00:00", "end_wall": "2030-07-07T15:00:00", "local_rolling": false, "timezone": "Asia/Tokyo", "duration_hours": 18, "modes": [ "CW", "SSB", "FM" ], "submodes": [ "AM" ], "bands": [ "6m", "2m", "70cm", "23cm", "13cm", "3cm" ], "bands_note": "50, 144 and 430 MHz plus every amateur band at 1200 MHz and above -- JARL's categories run 1200, 2400 and 5600 MHz and 10.1 GHz and up. The 5600 MHz band has no token in this catalog's band vocabulary and is recorded only here.", "sponsor": "JARL", "rules_url": "https://www.jarl.org/Japanese/1_Tanoshimo/1-1_Contest/6d_rules.html", "verified": true, "note": "Eighteen hours, not a full day: it opens at 2100 and closes at 1500, so the overnight VHF opening is the point of it. Encoded as wall_clock in Asia/Tokyo because that is how JARL states it -- 21時00分（JST） -- rather than converted to a fixed UTC time by hand. Japan has not observed daylight saving since 1952, so the two are identical in practice and will stay so; the record says what the sponsor said and lets the engine do the arithmetic. log_deadline_days is absent. JARL prints a dated deadline above the rules for the edition in hand -- ALL JA 2026 is '提出締切日 2026年5月6日（水）必着' -- and the numbered 規約 clauses that follow state the dates, eligibility, bands, categories and exchange but no submission span. All four of JARL's 2026 deadlines happen to fall exactly ten days after their contest ends, which is suggestive and is not a rule JARL wrote. The same reasoning already keeps a deadline off JARL's All Asian records.", "exchange": "On 50 MHz to 1200 MHz: RST, the prefecture or region number, and the power letter. On 2400 MHz and above: RST, the city, county or ward number, and the power letter.", "country": "JP", "rules_url_archived": "", "rules_url_checked": "2026-08-19", "can_enter": false, "eligibility_scope": "entity_list", "eligibility_reason": "Entry limited to JA. K stations may be worked but cannot submit an entry.", "works": "everyone", "practical": "", "log_due": null, "uid": "jarl-6m-and-down-20300706T1200@contestcal", "start_date": "2030-07-06", "mode_families": [ "CW", "SSB", "FM" ], "band_families": [ "6m", "VHF+" ], "duration_bucket": "12-24" } ] }