| Real Time Contest: 1600Z-2000Z, May 24 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW, SSB |
| | Bands: | 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) Multi-Two (Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Serial No. + 4-character grid |
| | Work stations: | Once per band only |
| | QSO Points: | 1 point per QSO + 1 point per 2000 km for distances greater than 2000 km |
| | Multipliers: | Unique grid squares once per band |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 2010Z May 24, 2026 |
| | E-mail logs to: | (none) |
| | Upload log at: | https://hamscore.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://blog.contestonlinescore.com/real-time-contest-rtc-rules/ |
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| QRP ARCI Hootowl Sprint: 0000Z-0100Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | All Band Single Band High Bands Low Bands |
| | Exchange: | RST + (state/province/country) + (ARCI no./power) |
| | Work stations: | Once per band |
| | QSO Points: | 5 points per QSO with ARCI member 4 points per non-member QSO with different continent 2 points per non-member QSO with same continent Bonus: 5000 points if you operate portable using battery power and a temporary antenna |
| | Multipliers: | States, once per band VE Provinces, once per band Countries, once per band Power Mult: >5W=x1, 1-5W=x7, 250mW-1W=x10, 55-250mW=15x, <55mW=20x |
| | Score Calculation: | Total score = total QSO points x (state mults + province mults + country mults) x power mult) + bonus points |
| | Submit logs by: | June 10, 2026 |
| | E-mail logs to: | (none) |
| | Upload log at: | http://www.qrpcontest.com |
| | Mail logs to: | (none) |
| | Find rules at: | http://qrparci.org/contest/hoot-owl-sprint |
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| K1USN Slow Speed Test: 0000Z-0100Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Maximum 20 wpm Name + (state/province/country) |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO (starting with Jan 4 contest) |
| | Multipliers: | Each state/province/country once per band W/VE do not count as country mults (starting with Jan 4 contest) |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 2359Z May 27, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | http://www.k1usn.com/sst.html |
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| QCX Challenge: 1300Z-1400Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op |
| | Max power: | HP: >5 watts QRP: 5 watts |
| | Exchange: | RST + Name + (state/province/country) + Rig |
| | Work stations: | Once per band |
| | QSO Points: | 3 points per QSO with QCX station 1 point per QSO with non-QCX station |
| | Multipliers: | (none) |
| | Score Calculation: | Total score = total QSO points |
| | Submit logs by: | 0400Z May 31, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | http://www.qrp-labs.com/party.html |
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| ICWC Medium Speed Test: 1300Z-1400Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Name + QSO No. |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0400Z May 28, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://internationalcwcouncil.org/mst-contest/ |
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| OK1WC Memorial (MWC): 1630Z-1729Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 80, 40m |
| | Classes: | Single Op All Band (QRP/Low) Single Op Single Band (QRP/Low) |
| | Max power: | LP: 100 watts QRP: 5 watts |
| | Exchange: | RST + Serial No. |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each last character of worked station call suffix once per band |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0600Z May 29, 2026 |
| | E-mail logs to: | (none) |
| | Upload log at: | https://memorial-ok1wc.cz/index.php?page=logs |
| | Mail logs to: | (none) |
| | Find rules at: | https://memorial-ok1wc.cz/index.php?page=rules2l |
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| QCX Challenge: 1900Z-2000Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op |
| | Max power: | HP: >5 watts QRP: 5 watts |
| | Exchange: | RST + Name + (state/province/country) + Rig |
| | Work stations: | Once per band |
| | QSO Points: | 3 points per QSO with QCX station 1 point per QSO with non-QCX station |
| | Multipliers: | (none) |
| | Score Calculation: | Total score = total QSO points |
| | Submit logs by: | 0400Z May 31, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | http://www.qrp-labs.com/party.html |
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| ICWC Medium Speed Test: 1900Z-2000Z, May 25 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Name + QSO No. |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0400Z May 28, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://internationalcwcouncil.org/mst-contest/ |
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| Worldwide Sideband Activity Contest: 0100Z-0159Z, May 26 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | SSB |
| | Bands: | 160, 80, 40, 20, 15, 10, 6m |
| | Classes: | Single Op (QRP/Low/High) Overlay: Youth (26 years old or younger) Youth YL (female 26 years old or younger) YL (female older than 26 years |
| | Max power: | HP: 1500 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | RS + age group (OM, YL, Youth YL or Youth) |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO with OM 5 points per QSO with YL 10 points per QSO with Youth 15 points per QSO with Youth YL |
| | Multipliers: | Each DXCC once per band |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0159Z May 27, 2026 |
| | E-mail logs to: | (none) |
| | Upload log at: | https://logs.wwsac.com/ |
| | Mail logs to: | (none) |
| | Find rules at: | https://wwsac.com/rules.html |
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| QCX Challenge: 0300Z-0400Z, May 26 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op |
| | Max power: | HP: >5 watts QRP: 5 watts |
| | Exchange: | RST + Name + (state/province/country) + Rig |
| | Work stations: | Once per band |
| | QSO Points: | 3 points per QSO with QCX station 1 point per QSO with non-QCX station |
| | Multipliers: | (none) |
| | Score Calculation: | Total score = total QSO points |
| | Submit logs by: | 0400Z May 31, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | http://www.qrp-labs.com/party.html |
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| ICWC Medium Speed Test: 0300Z-0400Z, May 26 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Name + QSO No. |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0400Z May 28, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://internationalcwcouncil.org/mst-contest/ |
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| SKCC Sprint: 0000Z-0200Z, May 27 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Awards: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10, 6m |
| | Classes: | Single-Op (QRPp/QRP/QRO/QRO+) Multi-Op |
| | Max power: | QRO+: >100 watts QRO: 100 watts QRP: 5 watts QRPp: 1 watt |
| | Exchange: | RST + (state/province/country) + Name + (SKCC No./"NONE") |
| | Work stations: | Once per band |
| | QSO Points: | (see rules) |
| | Multipliers: | Each state, province, or country once |
| | Score Calculation: | Total score = (total QSO points x total mults) + bonus points |
| | Submit logs by: | 2359Z May 30, 2026 |
| | E-mail log summary to: | (none) |
| | Post log summary at: | http://www.skccgroup.com/operating_activities/weekday_sprint/submit-display.php |
| | Mail logs to: | (none) |
| | Find rules at: | https://www.skccgroup.com/operating_activities/weekday_sprint/ |
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| Phone Weekly Test: 0230Z-0300Z, May 27 |
| | Geographic Focus: | North America |
| | Participation: | Worldwide |
| | Mode: | SSB |
| | Bands: | 160, 80, 40, 20, 15m |
| | Classes: | Single Op |
| | Max power: | 100 watts |
| | Exchange: | NA: Name + (state/province/country) non-NA: Name |
| | Work stations: | Once per band |
| | QSO Points: | NA station: 1 point per QSO non-NA station: 1 point per QSO with an NA station |
| | Multipliers: | Each US state (including KH6/KL7) once per band Each VE province/territory once per band Each North American country (except W/VE) once per band |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0300Z May 29, 2026 |
| | E-mail logs to: | (none) |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | http://www.perluma.com/Phone_Fray_Contest_Rules.pdf |
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| A1Club AWT: 1145Z-1300Z, May 27 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Member: RST + Name |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | June 1, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://a1club.org/contest/awt/ |
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| CWops Test (CWT): 1300Z-1400Z, May 27 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Awards: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Member: Name + Member No./"CWA" non-Member: Name + (state/province/country) |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0800Z May 30, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://cwops.org/cwops-tests/ |
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| Mini-Test 40: 1700Z-1759Z, May 27 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 40m Only |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | RST + Serial No. |
| | Work stations: | Once per 10 minute period |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | May 29, 2026 |
| | Upload log at: | https://ua9qcq.com/hf-logs.php |
| | Mail logs to: | (none) |
| | Find rules at: | http://minitest.narod.ru/ |
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| Mini-Test 80: 1800Z-1859Z, May 27 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Mode: | CW |
| | Bands: | 80m Only |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | RST + Serial No. |
| | Work stations: | Once per 10 minute period |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | May 29, 2026 |
| | Upload log at: | https://ua9qcq.com/hf-logs.php |
| | Mail logs to: | (none) |
| | Find rules at: | http://minitest.narod.ru/ |
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| CWops Test (CWT): 1900Z-2000Z, May 27 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Awards: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Member: Name + Member No./"CWA" non-Member: Name + (state/province/country) |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0800Z May 30, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://cwops.org/cwops-tests/ |
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| CWops Test (CWT): 0300Z-0400Z, May 28 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Awards: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Member: Name + Member No./"CWA" non-Member: Name + (state/province/country) |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0800Z May 30, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://cwops.org/cwops-tests/ |
| | | |
| CWops Test (CWT): 0700Z-0800Z, May 28 |
| | Geographic Focus: | Worldwide |
| | Participation: | Worldwide |
| | Awards: | Worldwide |
| | Mode: | CW |
| | Bands: | 160, 80, 40, 20, 15, 10m |
| | Classes: | Single Op (QRP/Low/High) |
| | Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts |
| | Exchange: | Member: Name + Member No./"CWA" non-Member: Name + (state/province/country) |
| | Work stations: | Once per band |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | Each call once |
| | Score Calculation: | Total score = total QSO points x total mults |
| | Submit logs by: | 0800Z May 30, 2026 |
| | Post log summary at: | http://www.3830scores.com |
| | Mail logs to: | (none) |
| | Find rules at: | https://cwops.org/cwops-tests/ |
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| RSGB 80m Club Championship, CW: 1900Z-2030Z, May 28 |
| | Geographic Focus: | United Kingdom |
| | Participation: | Worldwide |
| | Awards: | United Kingdom |
| | Mode: | CW |
| | Bands: | 80m Only |
| | Classes: | (none) |
| | Exchange: | RST + Serial No. |
| | QSO Points: | 1 point per QSO |
| | Multipliers: | (none) |
| | Score Calculation: | (see rules) |
| | Submit logs by: | 2359Z May 29, 2026 |
| | Upload log at: | http://www.rsgbcc.org/cgi-bin/hfenter.pl |
| | Mail logs to: | (none) |
| | Find rules at: | https://www.rsgbcc.org/hf/rules/2026/r80mcc.shtml |
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