April 29
April 30
May 1
- Araucaria World Wide VHF Contest
- 10-10 Int. Spring Contest, CW
- RCC Cup
- SBMS 2.3 GHz and Up Contest and Club Challenge
- Microwave Spring Sprint
- F9AA Cup, Digi
- ARI International DX Contest
- 7th Call Area QSO Party
- AGCW QRP/QRP Party
- Indiana QSO Party
- FISTS Saturday Sprint
- Delaware QSO Party
- New England QSO Party
May 2
May 3
May 4
May 5
- Phone Weekly Test – Fray
- CWops Mini-CWT Test
- VHF-UHF FT8 Activity Contest
- RSGB FT4 Contest Series
- CWops Mini-CWT Test
May 6
May 7
May 8
- SARL VHF/UHF Digital Contest
- VOLTA WW RTTY Contest
- SKCC Weekend Sprintathon
- CQ-M International DX Contest
- Arkansas QSO Party
- 50 MHz Spring Sprint
May 9
May 10
- K1USN Slow Speed Test
- 4 States QRP Group Second Sunday Sprint
- OK1WC Memorial (MWC)
- RSGB 80m Club Championship, SSB
May 11
May 12