| Worldwide Sideband Activity Contest: 0100Z-0159Z, May 20 | ||
| 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 21, 2025 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://logs.wwsac.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://wwsac.com/rules.html | |
| ICWC Medium Speed Test: 0300Z-0400Z, May 20 | ||
| 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 22, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://internationalcwcouncil.org/mst-contest/ | |
| Phone Weekly Test: 0230Z-0300Z, May 21 | ||
| 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 23, 2025 | |
| 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 | |
| A1Club AWT: 1145Z-1300Z, May 21 | ||
| 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: | May 26, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://a1club.org/contest/awt/ | |
| CWops Test (CWT): 1300Z-1400Z, May 21 | ||
| 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 24, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://cwops.org/cwops-tests/ | |
| VHF-UHF FT8 Activity Contest: 1700Z-2100Z, May 21 | ||
| Geographic Focus: | Europe | |
| Participation: | Europe | |
| Mode: | FT8/4 | |
| Bands: | 1.2G | |
| Classes: | Single Op (Low/High) | |
| Max power: | HP: >LP limit LP: 2m: 100 watts, 70cm: 75 watts, 23cm: 10 watts | |
| Exchange: | 4-character grid square | |
| QSO Points: | 1 point per unique call sign | |
| Multipliers: | Each grid square | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | 2359Z May 26, 2025 | |
| E-mail logs to: | (none) | |
| Upload log at: | http://www.ft8activity.eu/index.php/en/upload-log | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.ft8activity.eu/index.php/en/ | |
| Mini-Test 40: 1700Z-1759Z, May 21 | ||
| 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 23, 2025 | |
| Upload log at: | https://ua9qcq.com/hf-logs.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://minitest.narod.ru/ | |
| Mini-Test 80: 1800Z-1859Z, May 21 | ||
| 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 23, 2025 | |
| Upload log at: | https://ua9qcq.com/hf-logs.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://minitest.narod.ru/ | |
| RSGB 80m Club Championship, Data: 1900Z-2030Z, May 21 | ||
| Geographic Focus: | United Kingdom | |
| Participation: | Worldwide | |
| Awards: | United Kingdom | |
| Mode: | RTTY, PSK | |
| 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 22, 2025 | |
| Upload log at: | http://www.rsgbcc.org/cgi-bin/hfenter.pl | |
| Mail logs to: | (none) | |
| Find rules at: | https://www.rsgbcc.org/hf/rules/2025/r80mcc.shtml | |
| CWops Test (CWT): 1900Z-2000Z, May 21 | ||
| 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 24, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://cwops.org/cwops-tests/ | |
| NAQCC CW Sprint: 0030Z-0230Z, May 22 | ||
| Geographic Focus: | United States/Canada | |
| Participation: | Worldwide | |
| Mode: | CW | |
| Bands: | 80, 40, 20m | |
| Classes: | (none) | |
| Max power: | 5 watts | |
| Exchange: | RST + (state/province/country) + (NAQCC No./power) | |
| Work stations: | Once per band | |
| QSO Points: | 1 point per QSO with non-member 2 points per QSO with member | |
| Multipliers: | Each state, province, or country once Key Type Mult: 2x if straight key, 1.5x if bug, 1x if other | |
| Score Calculation: | Total score = total QSO points x total mults x key type mult | |
| Submit logs by: | 2359Z May 25, 2025 | |
| E-mail logs to: | (none) | |
| Upload log at: | http://naqcc.info/autologger.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://naqcc.info/sprint_rules.html | |
| CWops Test (CWT): 0300Z-0400Z, May 22 | ||
| 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 24, 2025 | |
| 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 22 | ||
| 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 24, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://cwops.org/cwops-tests/ | |
| NCCC FT4 Sprint: 0100Z-0130Z, May 23 | ||
| Geographic Focus: | North America | |
| Participation: | Worldwide | |
| Mode: | FT4 | |
| Bands: | (see rules) | |
| Classes: | (none) | |
| Max power: | 100 watts | |
| Exchange: | 4-character grid square | |
| QSO Points: | 1 point per QSO | |
| Multipliers: | Each 4-character grid square once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 25, 2025 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://lotw.arrl.org/ | |
| Post log summary at: | https://www.3830scores.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://www.ncccsprint.com/ft4ns.html | |
| Weekly RTTY Test: 0145Z-0215Z, May 23 | ||
| Geographic Focus: | North America | |
| Participation: | Worldwide | |
| Mode: | RTTY | |
| Bands: | 80, 40, 20, 15, 10m | |
| Classes: | Single-Op (QRP/Low) | |
| Max power: | LP: 100 watts QRP: 5 watts | |
| Exchange: | Name + (state/province/country) | |
| Work stations: | Once per band | |
| QSO Points: | 1 point per QSO | |
| Multipliers: | Each callsign once | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 25, 2025 | |
| E-mail logs to: | (none) | |
| Post log summary at: | http://www.3830scores.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://radiosport.world/wrt.html | |
| NCCC Sprint: 0230Z-0300Z, May 23 | ||
| Geographic Focus: | North America | |
| Participation: | Worldwide | |
| Mode: | CW | |
| Bands: | (see rules) | |
| Classes: | (none) | |
| Max power: | 100 watts | |
| Exchange: | Serial No. + Name + QTH | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 25, 2025 | |
| E-mail logs to: | (none) | |
| Post log summary at: | http://www.3830scores.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://ncccsprint.com/rules.html | |
| K1USN Slow Speed Test: 2000Z-2100Z, May 23 | ||
| 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 25, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.k1usn.com/sst.html | |
| CQ WW WPX Contest, CW: 0000Z, May 24 to 2359Z, May 25 | ||
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Awards: | Worldwide | |
| Mode: | CW | |
| Bands: | 160, 80, 40, 20, 15, 10m | |
| Classes: | Single Op All Band (QRP/Low/High) Single Op Single Band (QRP/Low/High) Single Op Overlays: (TB-Wires/Rookie/Classic/Youth) Multi-Single (Low/High) Multi-Two Multi-Multi Multi-Distributed | |
| Max operating hours: | Single Op: 36 hours with offtimes of at least 60 minutes Multi-Op: 48 hours | |
| Max power: | HP: 1500 watts LP: 100 watts QRP: 5 watts | |
| Exchange: | RST + Serial No. | |
| Work stations: | Once per band | |
| QSO Points: | All: 6 points per 160/80/40m QSO with different continent All: 3 points per 20/15/10m QSO with different continent Non-NA: 2 points per 160/80/40m QSO with same continent different country Non-NA: 1 point per 20/15/10m QSO with same continent different country NA: 4 points per 160/80/40m QSO with same continent different country NA: 2 points per 20/15/10m QSO with same continent different country All: 1 point per QSO with same country | |
| Multipliers: | Prefixes once | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | 2359Z May 30, 2025 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://www.cqwpx.com/logcheck/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://www.cqwpx.com/rules.htm | |
| QRP ARCI Hootowl Sprint: 0000Z-0100Z, May 26 | ||
| 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, 2025 | |
| 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 | |
| K1USN Slow Speed Test: 0000Z-0100Z, 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: | 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 28, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.k1usn.com/sst.html | |
| QCX Challenge: 1300Z-1400Z, 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 June 1, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.qrp-labs.com/party.html | |
| ICWC Medium Speed Test: 1300Z-1400Z, 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 29, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://internationalcwcouncil.org/mst-contest/ | |
| OK1WC Memorial (MWC): 1630Z-1729Z, May 26 | ||
| 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 30, 2025 | |
| 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 | |
| QCX Challenge: 1900Z-2000Z, 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 June 1, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.qrp-labs.com/party.html | |
| ICWC Medium Speed Test: 1900Z-2000Z, 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 29, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://internationalcwcouncil.org/mst-contest/ | |
| Worldwide Sideband Activity Contest: 0100Z-0159Z, May 27 | ||
| 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 28, 2025 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://logs.wwsac.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://wwsac.com/rules.html | |
| QCX Challenge: 0300Z-0400Z, May 27 | ||
| 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 June 1, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.qrp-labs.com/party.html | |
| ICWC Medium Speed Test: 0300Z-0400Z, 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: | 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 29, 2025 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://internationalcwcouncil.org/mst-contest/ | |
8-Day Contest Calendar
May 20 - 27, 2025
