| VOLTA WW RTTY Contest: 1200Z, May 9 to 1200Z, May 10 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Mode: | RTTY | |
| Bands: | 80, 40, 20, 15, 10m | |
| Classes: | Single Op All Band Single Op All Band 6 Hours Single Op Single Band Multi-Op | |
| Exchange: | RST + QSO No. + CQ Zone | |
| Work stations: | Once per band | |
| QSO Points: | See rules | |
| Multipliers: | Each country and VK/VE/JA/ZL/W call area (see rules) once per band | |
| Score Calculation: | Total score = total QSO points x total mults x total QSOs | |
| Submit logs by: | May 25, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://maxlaconca.com/cvolta/ver2_2014/index.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.contestvolta.it/rules.pdf | |
| CQ-M International DX Contest: 1200Z, May 9 to 1159Z, May 10 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Awards: | Worldwide | |
| Mode: | CW, SSB | |
| Bands: | 160, 80, 40, 20, 15, 10m | |
| Classes: | Single Op Single Band (CW/SSB/Mixed) Single Op All Band (CW/SSB/Mixed)(Low/High)) Single Op All Band QRP Multi-Single | |
| Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts | |
| Exchange: | RS(T) + Serial No. | |
| QSO Points: | (see rules) | |
| Multipliers: | Each RS-150-C country once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 20, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://ua9qcq.com/hf-logs.php | |
| Mail logs to: | (none) | |
| Find rules at: | https://cqm.srr.ru/en/rules/ | |
| SKCC Weekend Sprintathon: 1200Z, May 9 to 2400Z, May 10 | ||
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Awards: | Worldwide | |
| Mode: | CW | |
| Bands: | 160, 80, 40, 20, 15, 10, 6m | |
| Classes: | Single Op (QRP/Low/High) Multi-Op | |
| Exchange: | RST + (state/province/country) + Name + (SKCC No./"NONE") | |
| Work stations: | Once per band | |
| QSO Points: | 1 point per QSO Bonus 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 17, 2026 | |
| Post log summary at: | https://www.skccgroup.com/operating_activities/weekend_sprintathon/submit-display.php | |
| Mail logs to: | (none) | |
| Find rules at: | https://www.skccgroup.com/operating_activities/weekend_sprintathon/ | |
| Canadian Prairies QSO Party: 1700Z, May 9 to 0300Z, May 10 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | United States/Canada state/province QSO party | |
| Participation: | Worldwide | |
| Mode: | CW, Phone | |
| Bands: | 40, 20, 15, 10m | |
| Classes: | Single-Op (QRP/Low/High) Multi-Single (Low/High) Rover | |
| Max power: | HP: >100W LP: 100W QRP: 5W | |
| Exchange: | VE4/5/6: RS(T) + district code Non-VE4/5/6: RST + (state/province/"DX") | |
| Work stations: | Once per band per mode | |
| QSO Points: | 1 point per QSO | |
| Multipliers: | VE4/5/6: Each state, province once per band Non-VE4/5/6: Each district once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | 0300Z May 25, 2026 | |
| Upload log at: | https://cpqp.contesting.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://cpqp.ve6hams.ca/ | |
| 50 MHz Spring Sprint: 2300Z, May 9 to 0300Z, May 10 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | North America | |
| Participation: | North America | |
| Mode: | Analog, Digital | |
| Bands: | 6m Only | |
| Classes: | Single Op Rover | |
| Exchange: | 4-character grid square | |
| Work stations: | Once per mode | |
| QSO Points: | 1 point per QSO | |
| Multipliers: | Each grid square | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 23, 2026 | |
| E-mail logs to: | moreeirp[at]gmail[dot]com | |
| Post log summary at: | https://www.3830scores.com | |
| Mail logs to: | Kent O'Dell, KA2KQM
2752 Monument Road Jasper, GA 30143 USA | |
| Find rules at: | https://sites.google.com/site/springvhfupsprints/home/2026-information | |
| 4 States QRP Group Second Sunday Sprint: 0000Z-0200Z, May 11 | ||
| Geographic Focus: | North America | |
| Participation: | Worldwide | |
| Mode: | CW, SSB | |
| Bands: | 160, 80, 40, 20, 15, 10m | |
| Classes: | Single Op | |
| Max power: | CW: 5 watts, SSB: 10 watts | |
| Exchange: | Member: RS(T) + (State/Province/Country) + Member No. Non-member: RS(T) + (State/Province/Country) + Power | |
| Work stations: | Once per band | |
| QSO Points: | 1 point per QSO with non-member 2 points per QSO with member | |
| Multipliers: | (none) | |
| Score Calculation: | Total score = total QSO points | |
| Submit logs by: | May 13, 2026 | |
| E-mail logs to: | (none) | |
| Post log summary at: | http://qrpcontest.com/4sqrp | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.4sqrp.com/SSS/sss_rules_revised_02_2026.pdf | |
| K1USN Slow Speed Test: 0000Z-0100Z, May 11 | ||
| 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 13, 2026 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.k1usn.com/sst.html | |
| ICWC Medium Speed Test: 1300Z-1400Z, May 11 | ||
| 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 14, 2026 | |
| 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 11 | ||
| 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 15, 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 | |
| RSGB 80m Club Championship, SSB: 1900Z-2030Z, May 11 | ||
| Geographic Focus: | United Kingdom | |
| Participation: | Worldwide | |
| Awards: | United Kingdom | |
| Mode: | SSB | |
| Bands: | 80m Only | |
| Classes: | (none) | |
| Exchange: | RS + Serial No. | |
| QSO Points: | 1 point per QSO | |
| Multipliers: | (none) | |
| Score Calculation: | (see rules) | |
| Submit logs by: | 2359Z May 12, 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 | |
| ICWC Medium Speed Test: 1900Z-2000Z, May 11 | ||
| 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 14, 2026 | |
| 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 12 | ||
| 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 13, 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 | |
| ICWC Medium Speed Test: 0300Z-0400Z, May 12 | ||
| 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 14, 2026 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://internationalcwcouncil.org/mst-contest/ | |
| DARC FT4 Contest: 1900Z-2029Z, May 12 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Mode: | FT4 | |
| Bands: | 80, 40m | |
| Classes: | Single Op (QRP/Low) | |
| Max power: | LP: 100 watts QRP: 5 watts | |
| Exchange: | Signal report + 4-character grid square | |
| Work stations: | Once per band | |
| QSO Points: | 1 point per QSO | |
| Multipliers: | Each prefix once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | 2029Z May 19, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://dxhf2.darc.de/~ft4log/upload.cgi?form=referat&lang=de | |
| Mail logs to: | (none) | |
| Find rules at: | https://www.darc.de/der-club/referate/conteste/ft4-contest/ft4-rules/ | |
| Phone Weekly Test: 0230Z-0300Z, May 13 | ||
| 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 15, 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 | |
| A1Club AWT: 1145Z-1300Z, May 13 | ||
| 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 18, 2026 | |
| 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 13 | ||
| 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 16, 2026 | |
| 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 13 | ||
| Geographic Focus: | Europe | |
| Participation: | Europe | |
| Mode: | FT8/4 | |
| Bands: | 432 MHz | |
| 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 16, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | http://www.ft8activity.eu/index.php/en/upload-log | |
| Mail logs to: | (none) | |
| Find rules at: | https://ft8activity.eu/rules/ | |
| Mini-Test 40: 1700Z-1759Z, May 13 | ||
| 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 15, 2026 | |
| 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 13 | ||
| 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 15, 2026 | |
| Upload log at: | https://ua9qcq.com/hf-logs.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://minitest.narod.ru/ | |
| CWops Test (CWT): 1900Z-2000Z, May 13 | ||
| 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 16, 2026 | |
| 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-NA: 0000Z-0500Z, May 14 | ||
| Geographic Focus: | North America | |
| Participation: | North America | |
| Mode: | FT8/4 | |
| Bands: | 432 Only | |
| 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: | 0500Z May 19, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://ft8activity-na.net/log-upload/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://ft8activity-na.net/rules/ | |
| CWops Test (CWT): 0300Z-0400Z, May 14 | ||
| 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 16, 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 14 | ||
| 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 16, 2026 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | https://cwops.org/cwops-tests/ | |
| QRP Minimal Art Session: 1400Z-2200Z, May 14 | ||
| Status: | Active historically, but unconfirmed | |
| Mode: | CW | |
| Bands: | 80, 40m | |
| Classes: | A - TR+RX or TRX consisting of not more than 100 components B - TX consisting of not more than 50 components, RX as you like C - TR+RX or TRX consisting of nor more than 100 components, max 1 integrated circuit | |
| Max power: | 5 watts | |
| Exchange: | RST + "/" + class + number of components | |
| Score Calculation: | (see rules) | |
| Submit logs by: | May 28, 2026 | |
| E-mail logs to: | mas[at]qrpcc[dot]de | |
| Mail logs to: | Peter Haensel, DL6CGC
Hoetenslebener Str. 15, Barneberg D-39393 Hoetensleben Germany | |
| Find rules at: | http://qrpcc.de/contestrules/mas/index.html | |
| NCCC FT4 Sprint: 0100Z-0130Z, May 15 | ||
| 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 17, 2026 | |
| 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 15 | ||
| 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 17, 2026 | |
| 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 15 | ||
| 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 17, 2026 | |
| 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 15 | ||
| 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 17, 2026 | |
| Post log summary at: | http://www.3830scores.com | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.k1usn.com/sst.html | |
| UN DX Contest: 0600Z-2100Z, May 16 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Mode: | CW, SSB | |
| Bands: | 80, 40, 20, 15, 10m | |
| Classes: | Single Op All Band (CW/SSB/Mixed) Multi-Op Single Transmitter SWL | |
| Exchange: | Kazakhstan: RS(T) + District Code non-Kazakhstan: RS(T) + QSO No. | |
| Work stations: | Once per band per mode | |
| QSO Points: | 2 points per QSO with same country 3 points per QSO with different country, same continent 5 points per QSO with different continent 10 points per QSO with Kazakhstan station | |
| Multipliers: | Each KDA district once per band Each DXCC country once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 31, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | http://ua9qcq.com/hf-logs.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://undxc.kz/rules-eng/ | |
| NZART Sangster Shield Contest: 0800Z-1100Z, May 16 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | New Zealand | |
| Participation: | Worldwide | |
| Mode: | CW | |
| Bands: | 80m Only | |
| Classes: | Single Op QRP Single Op Overseas | |
| Max power: | non-ZL: >5 watts ZL: 5 watts | |
| Exchange: | ZL: RST + Serial No. + Branch No. non-ZL: RST + Serial No. | |
| Work stations: | Once per half hour | |
| QSO Points: | (see rules) | |
| Multipliers: | ZL branches once | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | June 15, 2026 | |
| E-mail logs to: | sangster[at]nzart[dot]org[dot]nz | |
| Mail logs to: | Contest Manager
Glenn Kingston ZL2KZ 53 Tannadyce Street Wellington 6022 New Zealand | |
| Find rules at: | https://www.nzart.org.nz/activities/contests/sangster-shield | |
| His Maj. King of Spain Contest, CW: 1200Z, May 16 to 1200Z, May 17 | ||
| 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 All Band Youth Single Op Single Band Multi-Op (Low/High) | |
| Max power: | HP: >100 watts LP: 100 watts QRP: 5 watts | |
| Exchange: | EA: RST + province non-EA: RST + Serial No. | |
| Work stations: | Once per band | |
| QSO Points: | (see rules) | |
| Multipliers: | Each EA province once per band Each EADX100 entity once per band Each special (EA0) station once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | June 1, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | https://concursos.ure.es/en/logs/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://concursos.ure.es/en/s-m-el-rey-de-espana-cw/bases/ | |
| EU PSK DX Contest: 1200Z, May 16 to 1200Z, May 17 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Awards: | Worldwide | |
| Mode: | BPSK63 | |
| Bands: | 80, 40, 20, 15, 10m | |
| Classes: | Single Op All Band (24h/12h)(High/Low) Single Op Low Bands (High/Low) Single Op High Bands (High/Low) Single Op Single Band (High/Low) Multi-Single (YM/OM) Multi-Multi (YM/OM) | |
| Max power: | HP: 100 watts LP: 10 watts | |
| Exchange: | EU: RST + EU area non-EU: RST + QSO No. | |
| QSO Points: | 1 point per QSO with same country 2 points per QSO with different country, same continent 3 points per QSO with different continent non-EU Stations: 5 points per QSO with EU | |
| Multipliers: | Each DXCC country once per band Each EU area code once per band | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 22, 2026 | |
| Upload log at: | http://ua9qcq.com/hf-logs.php | |
| Mail logs to: | (none) | |
| Find rules at: | https://eupsk.club/eupskdx/eupskdxrules.pdf | |
| Arkansas QSO Party: 1400Z, May 16 to 0200Z, May 17 | ||
| Status: | Active historically, but unconfirmed | |
| Geographic Focus: | United States/Canada state/province QSO party | |
| Participation: | Worldwide | |
| Mode: | CW, Phone, Digital (no FT8) | |
| Bands: | 160, 80, 40, 20, 15, 10, 6, 2m | |
| Classes: | Single Op Mixed (QRP/Low/High) Single Op (CW/SSB)(Low/High) Digital Multi-Op Portable (In state/Out of state) Mobile (In state/Out of state) Rover DX | |
| Max power: | HP: >150 watts LP: 150 watts QRP: 5 watts | |
| Exchange: | AR: RS(T) + County non-AR: RS(T) + (state/province/"DX") | |
| Work stations: | Once per band per mode per county | |
| QSO Points: | 1 point per QSO Rover/portable stations credited with double QSO points Bonus: 200 points for each QSO with WR5P | |
| Multipliers: | AR: Each state/province once + one "DX" once non-AR: Each AR county once | |
| Score Calculation: | Total score = (total QSO points x total mults) + bonus points | |
| Submit logs by: | June 1, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | http://www.arkqp.com/ | |
| Mail logs to: | (none) | |
| Find rules at: | http://www.arkqp.com/ | |
| Feld Hell Sprint: 2000Z-2359Z, May 16 | ||
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Mode: | Feld Hell | |
| Bands: | 160, 80, 40, 20, 15, 10, 6m | |
| Classes: | (none) | |
| Max power: | Standard: 100 watts QRP: 5 watts | |
| Exchange: | (see rules) | |
| Work stations: | Once per band | |
| QSO Points: | (see rules) Bonus Points: (see rules) | |
| Multipliers: | (see rules) | |
| Score Calculation: | (see rules) | |
| Submit logs by: | May 20, 2026 | |
| Upload log at: | https://sites.google.com/site/feldhellclub/ | |
| Mail logs to: | (none) | |
| Find rules at: | https://sites.google.com/site/feldhellclub/Home/contests/sprints/hamvention-sprint | |
| Run for the Bacon QRP Contest: 2300Z, May 17 to 0100Z, May 18 | ||
| Geographic Focus: | Worldwide | |
| Participation: | Worldwide | |
| Mode: | CW | |
| Bands: | 160, 80, 40, 20, 15, 10m | |
| Classes: | Single Band All Band | |
| Max power: | 5 watts | |
| Exchange: | RST + (state/province/country) + (Member No./power) | |
| Work stations: | Once per band | |
| QSO Points: | 1 point per QSO with non-member 3 points per QSO with member on same continent 5 points per QSO with member on different continent | |
| Multipliers: | Each state, province, or country once Multiply mults by 2 if >50 members worked | |
| Score Calculation: | Total score = total QSO points x total mults | |
| Submit logs by: | May 23, 2026 | |
| E-mail logs to: | (none) | |
| Upload log at: | http://qrpcontest.com/pigrun/autolog.php | |
| Mail logs to: | (none) | |
| Find rules at: | http://qrpcontest.com/pigrun/ | |
8-Day Contest Calendar
May 10 - 17, 2026
