| 4 States QRP Group Second Sunday Sprint | 0000Z-0200Z, Apr 13 |
| K1USN Slow Speed Test | 0000Z-0100Z, Apr 13 |
| ICWC Medium Speed Test | 1300Z-1400Z, Apr 13 |
| OK1WC Memorial (MWC) | 1630Z-1729Z, Apr 13 |
| RSGB 80m Club Championship, CW | 1900Z-2030Z, Apr 13 |
| ICWC Medium Speed Test | 1900Z-2000Z, Apr 13 |
| 144 MHz Spring Sprint | 2300Z, Apr 13 to 0600Z, Apr 14 |
| Worldwide Sideband Activity Contest | 0100Z-0159Z, Apr 14 |
| ICWC Medium Speed Test | 0300Z-0400Z, Apr 14 |
| ZL Sprint | 0800Z-0829Z (CW), Apr 14 and 0830Z-0859Z (SSB), Apr 14 and 0900Z-0929Z (SSB), Apr 14 |
| DARC RTTY Sprint | 1800Z-1929Z, Apr 14 |
| NAQCC CW Sprint | 0030Z-0230Z, Apr 15 |
| Phone Weekly Test | 0230Z-0300Z, Apr 15 |
| A1Club AWT | 1145Z-1300Z, Apr 15 |
| CWops Test (CWT) | 1300Z-1400Z, Apr 15 |
| VHF-UHF FT8 Activity Contest | 1700Z-2100Z, Apr 15 |
| Mini-Test 40 | 1700Z-1759Z, Apr 15 |
| Mini-Test 80 | 1800Z-1859Z, Apr 15 |
| CWops Test (CWT) | 1900Z-2000Z, Apr 15 |
| VHF-UHF FT8 Activity Contest-NA | 0000Z-0500Z, Apr 16 |
| Walk for the Bacon QRP Contest | 0000Z-0100Z, Apr 16 and 0200Z-0300Z, Apr 17 |
| CWops Test (CWT) | 0300Z-0400Z, Apr 16 |
| CWops Test (CWT) | 0700Z-0800Z, Apr 16 |
| NTC QSO Party | 1900Z-2000Z, Apr 16 |
| NCCC FT4 Sprint | 0100Z-0130Z, Apr 17 |
| Weekly RTTY Test | 0145Z-0215Z, Apr 17 |
| NCCC Sprint | 0230Z-0300Z, Apr 17 |
| Florida State Parks on the Air | 1200Z-2359Z, Apr 17 and 1200Z-2359Z, Apr 18 and 1200Z-2359Z, Apr 19 and 1200Z-2359Z, Apr 20 |
| K1USN Slow Speed Test | 2000Z-2100Z, Apr 17 |
| World Wide Holyland Contest | 2100Z, Apr 17 to 2059Z, Apr 18 |
| Texas State Parks on the Air | 0000Z, Apr 18 to 2359Z, Apr 19 |
| ES Open HF Championship | 0500Z-0859Z, Apr 18 |
| Worked All Provinces of China DX Contest | 0600Z, Apr 18 to 0559Z, Apr 19 |
| Dutch PACCdigi Contest | 0700Z to 1900Z, Apr 18 |
| QRP to the Field | 0800-1800 local, Apr 18 |
| CQMM DX Contest | 0900Z, Apr 18 to 2359Z, Apr 19 |
| Georgia State Parks on the Air | 1200Z, Apr 18 to 2359Z, Apr 19 |
| World Time Zone Challenge | 1200Z, Apr 18 to 1200Z, Apr 19 |
| Michigan QSO Party | 1600Z, Apr 18 to 0400Z, Apr 19 |
| EA-QRP CW Contest | 1700Z-1800Z, Apr 18 (10m) and 1800Z-1900Z, Apr 18 (15m) and 1900Z-2000Z, Apr 18 (20m) and 2000Z-2100Z, Apr 18 (40m) and 2100Z-2300Z, Apr 18 (80m) and 0700Z-0900Z, Apr 19 (40m) and 0900Z-1000Z, Apr 19 (20m) and 1000Z-1100Z, Apr 19 (15m) and 1100Z-1200Z, Apr 19 (10m) |
| Feld Hell Sprint | 1800Z-2159Z, Apr 18 |
| Ontario QSO Party | 1800Z, Apr 18 to 0300Z, Apr 19 and 1200Z-2000Z, Apr 19 |
| International Vintage Contest HF | 0700Z-1100Z, Apr 19 and 1500Z-1900Z, Apr 19 |
| Quebec QSO Party | 1300Z-2400Z, Apr 19 |
| ARRL Rookie Roundup, SSB | 1800Z-2359Z, Apr 19 |
| Run for the Bacon QRP Contest | 2300Z, Apr 19 to 0100Z, Apr 20 |
