Contest kalender 2018 (bron UBA)
Januari 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 01/01/2018 | 00:00 | 01/01/2018 | 23:59 | ARRL Straight Key Night | CW |
| 01/01/2018 | 08:00 | 01/01/2018 | 11:00 | SARTG New Year Contest | RTTY |
| 01/01/2018 | 09:00 | 01/01/2018 | 12:00 | AGCW Happy New Year Contest | CW |
| 03/01/2018 | 20:00 | 03/01/2018 | 21:00 | UKEICC 80m contests | SSB |
| 06/01/2018 | 12:00 | 07/01/2018 | 12:00 | WW PMC Contest | CW/SSB |
| 06/01/2018 | 18:00 | 07/01/2018 | 23:59 | ARRL RTTY Roundup | DIGI |
| 06/01/2018 | 20:00 | 06/01/2018 | 23:00 | ON5ME – EU CW 160 Meter Contest – 1 | CW |
| 07/01/2018 | 00:00 | 07/01/2018 | 23:59 | VERON SWL’s New Year Contest | SWL |
| 07/01/2018 | 04:00 | 07/01/2018 | 07:00 | ON5ME – EU CW 160 Meter Contest – 2 | CW |
| 13/01/2018 | 12:00 | 14/01/2018 | 12:00 | UBA PSK63 Prefix Contest | BPSK63 |
| 13/01/2018 | 18:00 | 14/01/2018 | 05:59 | North American QSO Party | CW |
| 14/01/2018 | 09:00 | 14/01/2018 | 10:59 | DARC 10 meter Contest | CW/SSB |
| 19/01/2018 | 18:00 | 19/01/2018 | 22:00 | LZ Open Contest 80/40m | CW |
| 20/01/2018 | 12:00 | 21/01/2018 | 11:59 | BDM RTTY Contest | RTTY |
| 20/01/2018 | 12:00 | 21/01/2018 | 11:59 | Hungarian DX Contest | CW/SSB |
| 20/01/2018 | 18:00 | 21/01/2018 | 05:59 | North American QSO Party | SSB |
| 26/01/2018 | 22:00 | 28/01/2018 | 22:00 | CQ WW 160-Meter Contest | CW |
| 27/01/2018 | 00:00 | 28/01/2018 | 23:59 | VERON SLP Contest – Part 1 | SWL – SSB |
| 27/01/2018 | 06:00 | 28/01/2018 | 18:00 | REF Contest | CW |
| 27/01/2018 | 12:00 | 28/01/2018 | 12:00 | BARTG RTTY Sprint Contest | RTTY |
| 27/01/2018 | 13:00 | 28/01/2018 | 13:00 | UBA DX Contest (**) | SSB |
| 31/01/2018 | 20:00 | 31/01/2018 | 21:00 | UKEICC 80m contests | CW |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”
Februari 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 03/02/2018 | 00:00 | 03/02/2018 | 23:59 | Triathlon RTTY-SSB-CW Contest | RTTY-SSB-CW |
| 03/02/2018 | 00:00 | 04/02/2018 | 23:59 | Vermont QSO Party | CW/SSB/Digital |
| 03/02/2018 | 00:01 | 04/02/2018 | 23:59 | 10-10 Winter Phone | SSB |
| 03/02/2018 | 12:00 | 04/02/2018 | 11:59 | Black Sea Cup International | CW/SSB |
| 03/02/2018 | 14:00 | 03/02/2018 | 23:59 | Minnesota QSO Party | CW/SSB/Digital |
| 03/02/2018 | 16:00 | 03/02/2018 | 19:00 | AGCW Straight Key Party 80m | CW |
| 03/02/2018 | 17:00 | 03/02/2018 | 21:00 | FIST Winter Slow Speed Sprint | CW |
| 03/02/2018 | 18:00 | 04/02/2018 | 17:59 | Mexico International RTTY Contest | RTTY |
| 07/02/2018 | 20:00 | 07/02/2018 | 21:00 | UKEICC 80m contests | SSB |
| 10/02/2018 | 00:00 | 11/02/2018 | 23:59 | CQ World Wide WPX Contest | RTTY |
| 10/02/2018 | 11:00 | 10/02/2018 | 13:00 | Asia-Pacific Sprint | CW |
| 10/02/2018 | 12:00 | 11/02/2018 | 12:00 | Dutch PACC Contest | CW/SSB |
| 10/02/2018 | 17:00 | 10/02/2018 | 21:00 | FIST Winter Unlimited Sprint | CW |
| 10/02/2018 | 19:00 | 10/02/2018 | 23:00 | RSGB1,8 MHz Contest | CW |
| 12/02/2018 | 13:00 | 16/02/2018 | 23:59 | ARRL School Club Roundup | ALL |
| 17/02/2018 | 00:00 | 18/02/2018 | 23:59 | ARRL International DX Contest | CW |
| 17/02/2018 | 12:00 | 18/02/2018 | 11:59 | Russian WW PSK Contest | BPSK31, 63, 125 |
| 21/02/2018 | 19:00 | 21/02/2018 | 20:30 | AGCW Semi Automatic Key Evening | CW |
| 23/02/2018 | 22:00 | 25/02/2018 | 22:00 | CQ WW 160-Meter Contest | SSB |
| 24/02/2018 | 06:00 | 25/02/2018 | 18:00 | REF Contest | SSB |
| 24/02/2018 | 13:00 | 25/02/2018 | 13:00 | UBA DX Contest (**) | CW |
| 24/02/2018 | 18:00 | 25/02/2018 | 05:59 | North American QSO Party | RTTY |
| 25/02/2018 | 09:00 | 25/02/2018 | 11:00 | High Speed Club CW Contest – 1 | CW |
| 25/02/2018 | 15:00 | 25/02/2018 | 17:00 | High Speed Club CW Contest – 2 | CW |
| 28/02/2018 | 20:00 | 28/02/2018 | 21:00 | UKEICC 80m contests | CW |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”
Maart 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 03/03/2018 | 00:00 | 04/03/2018 | 23:59 | ARRL International DX Contest | SSB |
| 03/03/2018 | 00:00 | 04/03/2018 | 23:59 | VERON SLP Contest – Part 2 | SWL – SSB |
| 04/03/2018 | 07:00 | 04/03/2018 | 11:00 | UBA Spring Contest 80m (**) | CW |
| 06/03/2018 | 19:00 | 06/03/2018 | 21:00 | AGCW YL CW Party | CW |
| 07/03/2018 | 20:00 | 07/03/2018 | 21:00 | UKEICC 80m contests | SSB |
| 10/03/2018 | 14:00 | 10/03/2018 | 20:00 | AGCW QRP Contest | CW |
| 10/03/2018 | 15:00 | 11/03/2018 | 15:00 | Spring Stew Perry Topband Distance Challenge | CW |
| 10/03/2018 | 16:00 | 11/03/2018 | 16:00 | EA PSK63 CONTEST | PSK63 |
| 10/03/2018 | 18:00 | 11/03/2018 | 05:59 | TESLA Memorial HF CW Contest | CW |
| 11/03/2018 | 07:00 | 11/03/2018 | 11:00 | UBA Spring Contest 2m (**) | CW/Phone |
| 11/03/2018 | 18:00 | 12/03/2018 | 01:00 | Wisconsin QSO Party | CW/Phone |
| 17/03/2018 | 02:00 | 19/03/2018 | 02:00 | BARTG HF RTTY Contest | RTTY |
| 17/03/2018 | 12:00 | 18/03/2018 | 12:00 | Russian DX Contest | SSB/CW |
| 18/03/2018 | 07:00 | 18/03/2018 | 11:00 | UBA Spring Contest 80m (**) | SSB |
| 24/03/2018 | 00:00 | 25/03/2018 | 23:59 | CQ WW WPX Contest | SSB |
| 24/03/2018 | 00:00 | 25/03/2018 | 23:59 | VERON SLP Contest – Part 3 | SWL – SSB |
| 25/03/2018 | 06:00 | 25/03/2018 | 10:00 | UBA Spring Contest 6M (**) | CW/Phone |
| 28/03/2018 | 20:00 | 28/03/2018 | 21:00 | UKEICC 80m contests | CW |
| 31/03/2018 | 12:00 | 01/04/2018 | 12:00 | UK/EI DX Contest | CW |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”
April 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 02/04/2018 | 06:00 | 02/04/2018 | 09:00 | Deutschlandkontest | CW |
| 02/04/2018 | 15:00 | 02/04/2018 | 17:30 | DARC Easter Contest | CW/SSB |
| 04/04/2018 | 20:00 | 04/04/2018 | 21:00 | UKEICC 80m contests | SSB |
| 07/04/2018 | 04:00 | 07/04/2018 | 08:00 | LZ Open 40m Contest | CW |
| 07/04/2018 | 15:00 | 08/04/2018 | 15:00 | SP DX Contest | CW/SSB |
| 07/04/2018 | 16:00 | 08/04/2018 | 16:00 | EA RTTY Contest | RTTY |
| 07/04/2018 | 18:00 | 08/04/2018 | 23:59 | Missouri QSO Party | CW/Phone |
| 14/04/2018 | 07:00 | 15/04/2018 | 13:00 | Japan International DX Contest | CW |
| 14/04/2018 | 12:00 | 15/04/2018 | 12:00 | OK-OM DX SSB Contest | SSB |
| 14/04/2018 | 18:00 | 15/04/2018 | 23:59 | Georgia QSO Party | CW/Phone |
| 14/04/2018 | 21:00 | 15/04/2018 | 21:00 | The Yuri Gagarin International DX Contest | CW |
| 20/04/2018 | 21:00 | 21/04/2018 | 21:00 | Holyland DX Contest | ALL |
| 21/04/2018 | 05:00 | 21/04/2018 | 08:59 | ES Open HF Championship | CW/SSB |
| 21/04/2018 | 12:00 | 22/04/2018 | 11:59 | YU DX Contest | CW/SSB |
| 21/04/2018 | 12:00 | 22/04/2018 | 23:59 | CQ Manchester Mineira DX Contest | CW |
| 21/04/2018 | 16:00 | 22/04/2018 | 04:00 | Michigan QSO Party | CW/SSB |
| 21/04/2018 | 18:00 | 22/04/2018 | 18:00 | Ontario QSO Party | CW/Phone |
| 22/04/2018 | 07:00 | 22/04/2018 | 19:00 | International Vintage Contest | SSB/CW/AM |
| 23/04/2018 | 00:00 | 27/04/2018 | 23:59 | EUCW/FISTS QRS Party | CW |
| 25/04/2018 | 20:00 | 25/04/2018 | 21:00 | UKEICC 80m contests | CW |
| 28/04/2018 | 00:01 | 29/04/2018 | 23:59 | 10-10 Spring Digital | Digital |
| 28/04/2018 | 12:00 | 29/04/2018 | 12:00 | SP DX RTTY Contest | RTTY |
| 28/04/2018 | 13:00 | 29/04/2018 | 12:59 | Helvetia DX Contest | ALL |
| 28/04/2018 | 16:00 | 29/04/2018 | 21:59 | Florida QSO Party | CW/Phone |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”
Mei 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 01/05/2018 | 13:00 | 01/05/2018 | 19:00 | AGCW QRP/QRP Party | CW |
| 05/05/2018 | 00:01 | 06/05/2018 | 23:59 | 10-10 Spring CW | CW |
| 05/05/2018 | 12:00 | 06/05/2018 | 11:59 | ARI International DX Contest | CW/SSB/RTTY |
| 05/05/2018 | 13:00 | 06/05/2018 | 07:00 | 7th Call Area QSO Party | CW/SSB/Digital |
| 05/05/2018 | 16:00 | 06/05/2018 | 04:00 | Indiana QSO Party | CW/SSB |
| 05/05/2018 | 17:00 | 05/05/2018 | 21:00 | FIST Spring Slow Speed Sprint | CW |
| 05/05/2018 | 17:00 | 06/05/2018 | 01:00 | Delaware QSO Party | CW/Phone |
| 05/05/2018 | 20:00 | 06/05/2018 | 23:59 | New England QSO Party | CW/SSB/Digital |
| 12/05/2018 | 00:00 | 13/05/2018 | 23:59 | VERON SLP Contest – Part 4 | SWL – SSB |
| 12/05/2018 | 12:00 | 13/05/2018 | 11:59 | Alessandro Volta RTTY DX Contest | RTTY |
| 12/05/2018 | 12:00 | 13/05/2018 | 11:59 | CQ-M International DX Contest | CW/SSB |
| 12/05/2018 | 17:00 | 12/05/2018 | 21:00 | FIST Spring Unlimited Sprint | CW |
| 19/05/2018 | 6:00 | 19/05/2018 | 21:00 | UN DX Contest | CW/SSB |
| 19/05/2018 | 12:00 | 20/05/2018 | 12:00 | European PSK DX Contest | BPSK63 |
| 19/05/2018 | 12:00 | 20/05/2018 | 12:00 | His Majesty The King of Spain Contest | CW |
| 19/05/2018 | 21:00 | 20/05/2018 | 02:00 | Baltic Contest | CW/SSB |
| 26/05/2018 | 00:00 | 27/05/2018 | 23:59 | CQ WW WPX Contest | CW |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”
Juni 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 02/06/2018 | 00:01 | 03/06/2018 | 23:59 | 10-10 Open Season (PSK) | PSK |
| 02/06/2018 | 04:00 | 03/06/2018 | 20:00 | Digi Fest | Digital |
| 02/06/2018 | 08:00 | 02/06/2018 | 12:00 | LZ Open 20m Contest | CW |
| 02/06/2018 | 15:00 | 03/06/2018 | 15:00 | UBA IARU Region 1 Fieldday (*) | CW |
| 02/06/2018 | 16:00 | 03/06/2018 | 04:00 | Alabama QSO Party | SSB/CW |
| 09/06/2018 | 00:00 | 10/06/2018 | 15:59 | DRCG WW RTTY Contest | RTTY |
| 09/06/2018 | 11:00 | 09/06/2018 | 13:00 | Asia-Pacific Sprint | SSB |
| 09/06/2018 | 12:00 | 10/06/2018 | 12:00 | Portugal Day Contest | SSB/CW |
| 09/06/2018 | 15:00 | 10/06/2018 | 15:00 | WWSA CW DX Contest | CW |
| 16/06/2018 | 00:00 | 17/06/2018 | 23:59 | All Asian DX Contest | CW |
| 16/06/2018 | 15:00 | 17/06/2018 | 15:00 | Summer Stew Perry Topband Challenge | CW |
| 23/06/2018 | 12:00 | 24/06/2018 | 12:00 | Ukrainian DX DIGI Contest | RTTY/PSK |
| 23/06/2018 | 12.00 | 24/06/2018 | 12:00 | His Majesty The King of Spain Contest | SSB |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”
Juli 2018
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 01/07/2018 | 00:00 | 01/07/2018 | 23:59 | RAC Canada Day Contest | CW/Phone |
| 07/07/2018 | 00:00 | 07/07/2018 | 04:00 | FIST Summer Slow Speed Sprint | CW |
| 07/07/2018 | 11:00 | 08/07/2018 | 10:59 | DL-DX RTTY Contest | RTTY |
| 07/07/2018 | 14:00 | 08/07/2018 | 14:00 | Marconi Memorial Contest HF | CW |
| 07/07/2018 | 15:00 | 08/07/2018 | 15:00 | Original QRP Contest – Summer | CW |
| 07/07/2018 | 15:00 | 08/07/2018 | 15:00 | Original QRP Contest | CW |
| 14/07/2018 | 00:00 | 14/07/2018 | 04:00 | FIST Summer Unlimited Sprint | CW |
| 14/07/2018 | 00:00 | 15/07/2018 | 23:59 | VERON SLP Contest – Part 5 | SWL – SSB |
| 14/07/2018 | 12:00 | 15/07/2018 | 12:00 | IARU HF World Championship | CW/SSB |
| 21/07/2018 | 12:00 | 22/07/2018 | 11:59 | Scottish DX Contest | CW/SSB |
| 21/07/2018 | 12:00 | 22/07/2018 | 12:00 | DMC RTTY Contest | RTTY |
| 21/07/2018 | 18:00 | 22/07/2018 | 05:59 | North American QSO Party | RTTY |
| 28/07/2018 | 12:00 | 29/07/2018 | 12:00 | IOTA Contest (Islands on the Air Contest) | CW/SSB |
| 28/07/2018 | 12:00 | 29/07/2018 | 12:00 | IOTA SWL Contest | SWL – CW/SSB |
(*) see: “HF” > “Fieldday News”
(**) see: “HF” > “Contest Rules”