2017-Mei-HF-contests
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 01-05-2017 | 13:00 | 01-05-2017 | 19:00 | AGCW QRP/QRP Party | CW |
| 01-05-2017 | 16:30 | 01-05-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 06-05-2017 | 00:01 | 07-05-2017 | 23:59 | 10-10 Spring CW | CW |
| 06-05-2017 | 12:00 | 07-05-2017 | 11:59 | ARI International DX Contest | CW/SSB/RTTY |
| 06-05-2017 | 13:00 | 07-05-2017 | 07:00 | 7th Call Area QSO Party | CW/SSB/Digital |
| 06-05-2017 | 16:00 | 07-05-2017 | 04:00 | Indiana QSO Party | CW/SSB |
| 06-05-2017 | 17:00 | 06-05-2017 | 21:00 | FIST Spring Slow Speed Sprint | CW |
| 06-05-2017 | 17:00 | 07-05-2017 | 01:00 | Delaware QSO Party | CW/Phone |
| 06-05-2017 | 20:00 | 07-05-2017 | 23:59 | New England QSO Party | CW/SSB/Digital |
| 08-05-2017 | 00:00 | 12-05-2017 | 23:59 | AGCW Activity Week | CW |
| 08-05-2017 | 16:30 | 08-05-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 13-05-2017 | 00:00 | 14-05-2017 | 23:59 | VERON SLP Contest – Part 4 | SWL |
| 13-05-2017 | 12:00 | 14-05-2017 | 11:59 | Alessandro Volta RTTY DX Contest | RTTY |
| 13-05-2017 | 12:00 | 14-05-2017 | 11:59 | CQ-M International DX Contest | CW/SSB |
| 13-05-2017 | 12:00 | 14-05-2017 | 11:59 | HPC World Wide DX Contest | PSK63 |
| 13-05-2017 | 17:00 | 13-05-2017 | 21:00 | FIST Spring Unlimited Sprint | CW |
| 15-05-2017 | 16:30 | 15-05-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 20-05-2017 | 12:00 | 21-05-2017 | 12:00 | Aegean RTTY Contest | RTTY |
| 20-05-2017 | 12:00 | 21-05-2017 | 12:00 | European PSK DX Contest | BPSK63 |
| 20-05-2017 | 12:00 | 21-05-2017 | 12:00 | His Majesty The King of Spain Contest | CW |
| 20-05-2017 | 21:00 | 21-05-2017 | 02:00 | Baltic Contest | CW/SSB |
| 22-05-2017 | 16:30 | 22-05-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
| 27-05-2017 | 00:00 | 28-05-2017 | 23:59 | CQ WW WPX Contest | CW |
| 29-05-2017 | 16:30 | 29-05-2017 | 17:29 | OK1WC Memorial (MWC) | CW/SSB |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”