{ "contest": { "id": "cq-160-ssb", "name": "CQ 160-Meter Contest, SSB", "sponsor": "CQ Magazine", "sponsor_home": "https://cq160.com/", "country": "US", "summary": "48-hour single-band contest on 160 metres, worldwide, working U.S. states, Canadian provinces and DXCC countries as multipliers. Single operators may work 30 of the 48 hours and multi-operator stations 40.", "modes": [ "SSB" ], "bands": [ "160m" ], "exchange": "RS(T) and state for U.S., province for Canada, and CQ Zone for DX", "power_categories": [ { "name": "High Power", "max_watts": 1500 }, { "name": "Low Power", "max_watts": 100 }, { "name": "QRP", "max_watts": 5 } ], "log_format": "Cabrillo", "log_deadline_days": 5, "log_submit_url": "https://cq160.com/logcheck/", "timezone": "", "local_rolling": false, "eligibility": { "scope": "worldwide", "verified": true, "note": "CQ 160 rules I: 'For amateurs around the world to contact other amateurs in as many U.S. states, Canadian provinces and countries as possible.'" }, "active_from": null, "active_until": null, "note": "", "verified": true, "rules_url": "https://cq160.com/rules/index.htm", "rules_url_pattern": "", "rules_url_archived": "", "rules_url_checked": "2026-08-16", "source_note": "CQ 160 publishes dates, not a recurrence rule: cq160.com/rules/index.htm gives the period ('Each contest is 48 hours long and starts at 2200Z') and the year's dates ('CW: 2200Z January 23 to 2200Z January 25. SSB: 2200Z February 27 to 2200Z March 1'), and none of the eleven archived CQ 160 rules 2016-2026 contains any recurrence wording. The SSB running is the FOURTH SATURDAY of February -- neither the last full weekend nor the last Saturday. CQ's own announcements settle it in both directions: 2020 started 2200Z Feb 21 (last Saturday would be Feb 29) and 2026 runs 2200Z Feb 27 to 2200Z Mar 1 (last full weekend would be Feb 21-22). Fourth Saturday reproduces all eleven CQ-published runnings 2016-2026. Verified 2026-08-16." }, "rule": { "plain": "Fourth Saturday of February", "raw": { "type": "nth_weekday", "month": 2, "n": 4, "weekday": 5 }, "start": { "day_offset": -1, "time": "2200" }, "end": { "day_offset": 1, "time": "2200" }, "sessions": null }, "next": [ { "contest_id": "cq-160-ssb", "name": "CQ 160-Meter Contest, SSB", "start": "2027-02-26T22:00:00Z", "end": "2027-02-28T22:00:00Z", "start_wall": null, "end_wall": null, "local_rolling": false, "timezone": "", "duration_hours": 48, "modes": [ "SSB" ], "submodes": [], "bands": [ "160m" ], "bands_note": "1810-2000 kHz in ITU Region 1; 1800-2000 kHz in ITU Regions 2 and 3", "sponsor": "CQ Magazine", "rules_url": "https://cq160.com/rules/index.htm", "verified": true, "note": "", "exchange": "RS(T) and state for U.S., province for Canada, and CQ Zone for DX", "country": "US", "rules_url_archived": "", "rules_url_checked": "2026-08-16", "can_enter": true, "eligibility_scope": "worldwide", "eligibility_reason": "", "works": "everyone", "practical": "", "log_due": "2027-03-05T22:00:00Z", "uid": "cq-160-ssb-20270226T2200@contestcal", "start_date": "2027-02-26", "mode_families": [ "SSB" ], "band_families": [ "160m" ], "duration_bucket": "gte24" }, { "contest_id": "cq-160-ssb", "name": "CQ 160-Meter Contest, SSB", "start": "2028-02-25T22:00:00Z", "end": "2028-02-27T22:00:00Z", "start_wall": null, "end_wall": null, "local_rolling": false, "timezone": "", "duration_hours": 48, "modes": [ "SSB" ], "submodes": [], "bands": [ "160m" ], "bands_note": "1810-2000 kHz in ITU Region 1; 1800-2000 kHz in ITU Regions 2 and 3", "sponsor": "CQ Magazine", "rules_url": "https://cq160.com/rules/index.htm", "verified": true, "note": "", "exchange": "RS(T) and state for U.S., province for Canada, and CQ Zone for DX", "country": "US", "rules_url_archived": "", "rules_url_checked": "2026-08-16", "can_enter": true, "eligibility_scope": "worldwide", "eligibility_reason": "", "works": "everyone", "practical": "", "log_due": "2028-03-03T22:00:00Z", "uid": "cq-160-ssb-20280225T2200@contestcal", "start_date": "2028-02-25", "mode_families": [ "SSB" ], "band_families": [ "160m" ], "duration_bucket": "gte24" }, { "contest_id": "cq-160-ssb", "name": "CQ 160-Meter Contest, SSB", "start": "2029-02-23T22:00:00Z", "end": "2029-02-25T22:00:00Z", "start_wall": null, "end_wall": null, "local_rolling": false, "timezone": "", "duration_hours": 48, "modes": [ "SSB" ], "submodes": [], "bands": [ "160m" ], "bands_note": "1810-2000 kHz in ITU Region 1; 1800-2000 kHz in ITU Regions 2 and 3", "sponsor": "CQ Magazine", "rules_url": "https://cq160.com/rules/index.htm", "verified": true, "note": "", "exchange": "RS(T) and state for U.S., province for Canada, and CQ Zone for DX", "country": "US", "rules_url_archived": "", "rules_url_checked": "2026-08-16", "can_enter": true, "eligibility_scope": "worldwide", "eligibility_reason": "", "works": "everyone", "practical": "", "log_due": "2029-03-02T22:00:00Z", "uid": "cq-160-ssb-20290223T2200@contestcal", "start_date": "2029-02-23", "mode_families": [ "SSB" ], "band_families": [ "160m" ], "duration_bucket": "gte24" }, { "contest_id": "cq-160-ssb", "name": "CQ 160-Meter Contest, SSB", "start": "2030-02-22T22:00:00Z", "end": "2030-02-24T22:00:00Z", "start_wall": null, "end_wall": null, "local_rolling": false, "timezone": "", "duration_hours": 48, "modes": [ "SSB" ], "submodes": [], "bands": [ "160m" ], "bands_note": "1810-2000 kHz in ITU Region 1; 1800-2000 kHz in ITU Regions 2 and 3", "sponsor": "CQ Magazine", "rules_url": "https://cq160.com/rules/index.htm", "verified": true, "note": "", "exchange": "RS(T) and state for U.S., province for Canada, and CQ Zone for DX", "country": "US", "rules_url_archived": "", "rules_url_checked": "2026-08-16", "can_enter": true, "eligibility_scope": "worldwide", "eligibility_reason": "", "works": "everyone", "practical": "", "log_due": "2030-03-01T22:00:00Z", "uid": "cq-160-ssb-20300222T2200@contestcal", "start_date": "2030-02-22", "mode_families": [ "SSB" ], "band_families": [ "160m" ], "duration_bucket": "gte24" } ] }