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| Date start | UTC start | Date end | UTC end | Contestname | Mode |
|---|---|---|---|---|---|
| 2/09/2023 | 00:00 | 3/09/2023 | 23:59 | All Asian DX Contest | SSB |
| 2/09/2023 | 13:00 | 2/09/2023 | 16:00 | AGCW Straight Key Party 40m | CW |
| 2/09/2023 | 13:00 | 3/09/2023 | 12:59 | UBA IARU Region 1 Fieldday | SSB |
| 4/09/2023 | 23:00 | 5/09/2023 | 03:00 | Michigan QRP Club Labor Day Sprint | CW |
| 9/09/2023 | 00:00 | 9/09/2023 | 23:59 | FOC QSO Party | CW |
| 9/09/2023 | 00:00 | 10/09/2023 | 23:59 | VERON SLP Contest - Part 6 | SWL - SSB |
| 9/09/2023 | 00:00 | 10/09/2023 | 23:59 | Worked All Europe DX Contest | SSB |
| 16/09/2023 | 12:00 | 17/09/2023 | 12:00 | Scandinavian Activity Contest | CW |
| 16/09/2023 | 16:00 | 17/09/2023 | 03:59 | New Jersey QSO Party | CW/SSB |
| 16/09/2023 | 16:00 | 17/09/2023 | 23:59 | Washington State Salmon Run | CW/SSB/Digital |
| 17/09/2023 | 06:00 | 17/09/2023 | 10:00 | Belgian Mills Award Contest | Phone |
| 18/09/2023 | 20:00 | 18/09/2023 | 21:30 | RSGB FT4 Contest Series | FT4 |
| 21/09/2023 | 19:00 | 21/09/2023 | 20:00 | NTC QSO Party | CW |
| 23/09/2023 | 00:00 | 24/09/2023 | 23:59 | CQ World-Wide RTTY DX Contest | RTTY |
| 23/09/2023 | 12:00 | 24/09/2023 | 12:00 | Maine QSO Party | CW/SSB |
| 24/09/2023 | 07:00 | 24/09/2023 | 10:00 | ON Contest 6 Meter | CW/Phone |
| 30/09/2023 | 12:00 | 1/10/2023 | 11:59 | Russian WW Multi Mode Contest | All |
| 30/09/2023 | 12:00 | 1/10/2023 | 12:00 | UK/EI DX Contest | SSB |