May 2026

Every session in May 202650

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94 sessions across 50 contests; repeats share a row.

1. NCCC FT4 Sprint (FT4 NS)

   FT8/FT4FT4 · 160-6m · Northern California Contest Club (NCCC)

   • 0100Z Fri 1 May → 0130Z · 30mended
   • 0100Z Fri 8 May → 0130Z · 30mended
   • 0100Z Fri 15 May → 0130Z · 30mended
   • 0100Z Fri 22 May → 0130Z · 30mended
   • 0100Z Fri 29 May → 0130Z · 30mended

2. NCCC RTTY Sprint (RTTY NS)

   RTTY · 160-15m · Northern California Contest Club (NCCC)

   • 0145Z Fri 1 May → 0215Z · 30mended
   • 0145Z Fri 8 May → 0215Z · 30mended
   • 0145Z Fri 15 May → 0215Z · 30mended
   • 0145Z Fri 22 May → 0215Z · 30mended
   • 0145Z Fri 29 May → 0215Z · 30mended

3. NCCC Sprint (NS)

   CW · 160-15m · Northern California Contest Club (NCCC)

   • 0230Z Fri 1 May → 0300Z · 30mended
   • 0230Z Fri 8 May → 0300Z · 30mended
   • 0230Z Fri 15 May → 0300Z · 30mended
   • 0230Z Fri 22 May → 0300Z · 30mended
   • 0230Z Fri 29 May → 0300Z · 30mended

4. All Austrian Exercise AOEE 80/40m can't enter

   CWSSB · 80m/40m · ÖVSV

   • 0500Z Fri 1 May → 0800Z · 3hended
   • 1400Z Fri 1 May → 1700Z · 3hended

5. AGCW QRP/QRP Party

   CW · 80-10m · AGCW-DL

   • 1300Z Fri 1 May → 1900Z · 6hended

6. K1USN Slow Speed Test (SST)

   CW · 160-10m · K1USN Radio Club

   • 2000Z Fri 1 May → 2100Z · 1hended
   • 0000Z Mon 4 May → 0100Z · 1hended
   • 2000Z Fri 8 May → 2100Z · 1hended
   • 0000Z Mon 11 May → 0100Z · 1hended
   • 2000Z Fri 15 May → 2100Z · 1hended
   • 0000Z Mon 18 May → 0100Z · 1hended
   • 2000Z Fri 22 May → 2100Z · 1hended
   • 0000Z Mon 25 May → 0100Z · 1hended
   • 2000Z Fri 29 May → 2100Z · 1hended

7. Estonian HF Cup (ES LL KV) can't enter

   CWSSB · 80m · ERAU

   • 0700Z Sat 2 May → 0759Z · 59mended

8. Harry Angel Memorial Sprint

   SSBCW · 80m · WIA

   • 1000Z Sat 2 May → 1146Z · 1h 46mended

9. ARI International DX Contest

   CWSSBRTTY · 80-10m · ARI

   • 1200Z Sat 2 May → 1159Z Sun 3 May · 23h 59mended

10. 7th Call Area QSO Party

    SSBCWDigital · 160-10m · Central Oregon DX Club

    • 1300Z Sat 2 May → 0700Z Sun 3 May · 18hended

11. DARC VHF-/UHF-/SHF-Wettbewerb can't enter

    CWSSBFM · 2-3cm · DARC

    • 1400Z Sat 2 May → 1359Z Sun 3 May · 23h 59mended

12. URH Magyar Kupa Rádióforgalmi Versenysorozat can't enter

    CWSSBFM · 2-3cm · MRASZ

    • 1400Z Sat 2 May → 1359Z Sun 3 May · 23h 59mended

13. Indiana QSO Party

    SSBCW · 160-10m · Hoosier DX and Contest Club

    • 1500Z Sat 2 May → 0259Z Sun 3 May · 11h 59mended

14. Delaware QSO Party

    SSBCWDigitalFT8/FT4 · First State Amateur Radio Club

    • 1700Z Sat 2 May → 2359Z Sun 3 May · 30h 59mended

15. New England QSO Party

    SSBCW · 80-10m · New England QSO Party

    • 2000Z Sat 2 May → 0500Z Sun 3 May · 9hended
    • 1300Z Sun 3 May → 2359Z · 10h 59mended

16. AWA Valve SSB QSO Party

    SSB · 80m/40m · AWASA

    • 1300Z Sun 3 May → 1700Z · 4hended

17. LRAL 4 May 80m Contest can't enter

    CWSSBFT8/FT4 · 80m · LRAL

    • 0400Z Mon 4 May → 0559Z · 1h 59mended
    • 0615Z Mon 4 May → 0714Z · 59mended

18. AGCW ZAP Merit Contest (ZMC) unverified

    CW · 80m · AGCW-DL

    • 1740Z Mon 4 May → 1830Z · 50mended
    • 1740Z Mon 11 May → 1830Z · 50mended
    • 1740Z Mon 18 May → 1830Z · 50mended
    • 1740Z Mon 25 May → 1830Z · 50mended

19. ARS Spartan Sprint

    CW · 80-10m · Adventure Radio Society

    • 0000Z Tue 5 May → 0200Z · 2hended

20. A1Club Weekly Test (AWT)

    CW · A1 Club

    • 1145Z Wed 6 May → 1300Z · 1h 15mended
    • 1145Z Wed 13 May → 1300Z · 1h 15mended
    • 1145Z Wed 20 May → 1300Z · 1h 15mended
    • 1145Z Wed 27 May → 1300Z · 1h 15mended

21. CWops Test (CWT)

    CW · 160-6m · CWops

    • 1300Z Wed 6 May → 1400Z · 1hended
    • 1900Z Wed 6 May → 2000Z · 1hended
    • 0300Z Thu 7 May → 0400Z · 1hended
    • 0700Z Thu 7 May → 0800Z · 1hended
    • 1300Z Wed 13 May → 1400Z · 1hended
    • 1900Z Wed 13 May → 2000Z · 1hended
    • 0300Z Thu 14 May → 0400Z · 1hended
    • 0700Z Thu 14 May → 0800Z · 1hended
    • 1300Z Wed 20 May → 1400Z · 1hended
    • 1900Z Wed 20 May → 2000Z · 1hended
    • 0300Z Thu 21 May → 0400Z · 1hended
    • 0700Z Thu 21 May → 0800Z · 1hended
    • 1300Z Wed 27 May → 1400Z · 1hended
    • 1900Z Wed 27 May → 2000Z · 1hended
    • 0300Z Thu 28 May → 0400Z · 1hended
    • 0700Z Thu 28 May → 0800Z · 1hended

22. VHF-UHF FT8 Activity: 144 MHz unverified

    FT8/FT4 · 2m · QSO BANAT Association (YO2KQT)

    • 1700Z Wed 6 May → 2100Z · 4hended

23. SKCC Straight Key Sprint Europe (SKSE)

    CW · 160-6m · Straight Key Century Club

    • 1900Z Thu 7 May → 2100Z · 2hended

24. CQ-M International DX Contest

    CWSSB · 160-10m · SRR

    • 1200Z Sat 9 May → 1159Z Sun 10 May · 23h 59mended

25. SKCC Weekend Sprintathon (WES)

    CW · 160-6m · Straight Key Century Club

    • 1200Z Sat 9 May → 2359Z Sun 10 May · 35h 59mended

26. Alessandro Volta RTTY DX Contest

    RTTY · 80-10m · SSB and RTTY Club of COMO (A.R.I.)

    • 1200Z Sat 9 May → 1200Z Sun 10 May · 24hended

27. Canadian Prairies QSO Party unverified

    SSBCW · 40-10m · Canadian Prairies QSO Party

    • 1700Z Sat 9 May → 0300Z Sun 10 May · 10hended

28. Ukrainian Low Power Cup (LP CUP CW) can't enter

    CW · 80m/40m · UARL

    • 1600Z Sun 10 May → 1759Z · 1h 59mended

29. 4 States QRP Group Second Sunday Sprint (SSS)

    CWSSBDigital · 160-10m · 4 States QRP Group

    • 0000Z Mon 11 May → 0200Z · 2hended

30. RSGB 3.5 MHz Club Championship, SSB

    SSB · 80m · RSGB Contest Committee

    • 1900Z Mon 11 May → 2030Z · 1h 30mended

31. DARC FT4 Contest

    FT8/FT4FT4 · 80m/40m · DARC

    • 1900Z Tue 12 May → 2029Z · 1h 29mended

32. Early Morning Coffee QSO Party

    SSB · 80m/40m · Bo Karoo Amateur Radio Club

    • 0400Z Wed 13 May → 0500Z · 1hended

33. VHF-UHF FT8 Activity: 432 MHz unverified

    FT8/FT4 · 70cm · QSO BANAT Association (YO2KQT)

    • 1700Z Wed 13 May → 2100Z · 4hended

34. ZS SOTA Activity Weekend

    Mixed · SOTA SA

    • 0000Z Sat 16 May → 2159Z Sun 17 May · 45h 59mended

35. NZART Sangster Shield

    CW · 80m · NZART

    • 0800Z Sat 16 May → 1100Z · 3hended

36. EU PSK DX Contest

    DigitalBPSK63 · 80-10m · European PSK Club

    • 1200Z Sat 16 May → 1200Z Sun 17 May · 24hended

37. His Majesty the King of Spain Contest, CW

    CW · 160-10m · URE

    • 1200Z Sat 16 May → 1159Z Sun 17 May · 23h 59mended

38. IARU Region 1 70 MHz MGM Contest

    DigitalMGM (machine generated modes) · 4m · IARU Region 1 VHF+ Committee

    • 1400Z Sat 16 May → 1400Z Sun 17 May · 24hended

39. Baltic Contest

    CWSSB · 80m · LRSF

    • 2100Z Sat 16 May → 0200Z Sun 17 May · 5hended

40. 9A Activity Contest

    CWSSBFM · 6-23cm · HRS

    • 0700Z Sun 17 May → 1200Z · 5hended

41. ÖVSV VHF/UHF/Microwave Activity Contest

    CWSSBAMFM · 6-3cm · ÖVSV

    • 0700Z Sun 17 May → 1300Z · 6hended

42. ZS3 QSO Party

    CWSSB · 40m · Northern Cape Amateur Radio Club

    • 1400Z Sun 17 May → 1500Z · 1hended

43. RSGB FT4 Contest Series

    FT8/FT4FT4 · 80-10m · RSGB Contest Committee

    • 1900Z Mon 18 May → 2100Z · 2hended

44. DARC HELL-Kurzcontest unverified

    DigitalHell · DARC

    • 1800Z Tue 19 May → 1859Z · 59mended

45. VHF-UHF FT8 Activity: 1296 MHz unverified

    DigitalFT8 · 23cm · QSO BANAT Association (YO2KQT)

    • 1700Z Wed 20 May → 2100Z · 4hended

46. SARL Wednesday 80 m Club Contest can't enter

    SSBCWRTTY · 80m · SARL

    • 1700Z Wed 20 May → 1800Z · 1hended

47. RSGB 3.5 MHz Club Championship, Data

    RTTYDigitalPSK63 · 80m · RSGB Contest Committee

    • 1900Z Wed 20 May → 2030Z · 1h 30mended

48. SKCC Straight Key Sprint (SKS)

    CW · 160-6m · Straight Key Century Club

    • 0000Z Wed 27 May → 0200Z · 2hended

49. RSGB 3.5 MHz Club Championship, CW

    CW · 80m · RSGB Contest Committee

    • 1900Z Thu 28 May → 2030Z · 1h 30mended

50. CQ WW WPX Contest, CW

    CW · 160-10m · CQ Magazine

    • 0000Z Sat 30 May → 2359Z Sun 31 May · 47h 59mended