- SARL VHF/UHF Digital Contest
0300Z-0500Z, May 21 (6m) and 0500Z-0700Z, May 21 (2m) and 0700Z-0900Z, May 21 (70cm) and 0300Z-0500Z, May 22 (6m) and 0500Z-0700Z, May 22 (2m) and 0700Z-0900Z, […]
- UN DX Contest
0600Z-2100Z, May 21
- NZART Sangster Shield Contest
0800Z-1100Z, May 21 and 0800Z-1100Z, May 22
- YOTA Contest
0800Z-1959Z, May 21
- His Maj. King of Spain Contest, CW
1200Z, May 21 to 1200Z, May 22
- EU PSK DX Contest
1200Z, May 21 to 1200Z, May 22
- Arkansas QSO Party
1400Z, May 21 to 0200Z, May 22
- Feld Hell Sprint
1600Z-1759Z, May 21 and 2000Z-2159Z, May 21
- Baltic Contest
2100Z, May 21 to 0200Z, May 22
- QRP ARCI Hootowl Sprint
0000Z-0100Z, May 23
- K1USN Slow Speed Test
0000Z-0100Z, May 23
- ICWC Medium Speed Test
1300Z-1400Z, May 23
- OK1WC Memorial (MWC)
1630Z-1729Z, May 23
- ICWC Medium Speed Test
1900Z-2000Z, May 23
- Worldwide Sideband Activity Contest
0100Z-0159Z, May 24
- ICWC Medium Speed Test
0300Z-0400Z, May 24
- RTTYOPS Weeksprint
1700Z-1900Z, May 24
- SKCC Sprint
0000Z-0200Z, May 25
- Phone Weekly Test
0230Z-0300Z, May 25
- A1Club AWT
1200Z-1300Z, May 25
- CWops Test (CWT)
1300Z-1400Z, May 25
- Mini-Test 40
1700Z-1759Z, May 25
- Mini-Test 80
1800Z-1859Z, May 25
- CWops Test (CWT)
1900Z-2000Z, May 25
- CWops Test (CWT)
0300Z-0400Z, May 26