UBA HF Contest Calendar - April
Category Name:
Ref. Month:
April
| Date start | UTC start | Date end | UTC end | Contest name + link | Mode |
| 1/04/2012 | 06:00 | 1/04/2012 | 10:00 | UBA Spring Contest 80m (**) | SSB |
| 2/04/2012 | 19:30 | 2/04/2012 | 20:30 | UBA QRP Foxhunt | CW/PSK31 |
| 7/04/2012 | 03:00 | 7/04/2012 | 07:00 | LZ Open 40m Sprint Contest | CW |
| 7/04/2012 | 15:00 | 8/04/2012 | 15:00 | SP DX Contest | CW/SSB |
| 7/04/2012 | 16:00 | 8/04/2012 | 16:00 | EA RTTY Contest | RTTY |
| 7/04/2012 | 18:00 | 8/04/2012 | 23:59 | Missouri QSO Party | CW/Phone |
| 9/04/2012 | 06:00 | 9/04/2012 | 09:00 | Deutschlandkontest | CW |
| 9/04/2012 | 19:30 | 9/04/2012 | 20:30 | UBA QRP Foxhunt | CW/PSK31 |
| 14/04/2012 | 07:00 | 15/04/2012 | 13:00 | Japan International DX Contest | CW |
| 14/04/2012 | 12:00 | 14/04/2012 | 17:00 | DIG QSO Party (10-20m) | CW |
| 14/04/2012 | 16:00 | 14/04/2012 | 19:59 | EU Sprint Spring | CW |
| 14/04/2012 | 18:00 | 15/04/2012 | 23:59 | Georgia QSO Party | CW/Phone |
| 14/04/2012 | 21:00 | 15/04/2012 | 21:00 | The Yuri Gagarin International DX Contest | CW |
| 15/04/2012 | 07:00 | 15/04/2012 | 09:00 | DIG QSO Party (80m) | CW |
| 15/04/2012 | 09:00 | 15/04/2012 | 11:00 | DIG QSO Party (40m) | CW |
| 16/04/2012 | 16:00 | 16/04/2012 | 16:59 | OK1WC Memorial Activity (MWC) | SSB |
| 16/04/2012 | 19:30 | 16/04/2012 | 20:30 | UBA QRP Foxhunt | CW/PSK31 |
| 20/04/2012 | 21:00 | 21/04/2012 | 21:00 | Holyland DX Contest | ALL |
| 21/04/2012 | 00:00 | 21/04/2012 | 23:59 | TARA Skirmish Digital Prefix Contest | DIGITAL |
| 21/04/2012 | 05:00 | 21/04/2012 | 08:59 | ES Open HF Championship | CW/SSB |
| 21/04/2012 | 12:00 | 22/04/2012 | 23:59 | CQ Manchester Mineira DX Contest | CW |
| 21/04/2012 | 16:00 | 21/04/2012 | 19:59 | EU Sprint Spring | SSB |
| 21/04/2012 | 16:00 | 22/04/2012 | 04:00 | Michigan QSO Party | CW/SSB |
| 21/04/2012 | 17:00 | 21/04/2012 | 20:00 | EA-QRP CW Contest - 1 | CW |
| 21/04/2012 | 18:00 | 22/04/2012 | 18:00 | Ontario QSO Party | CW/Phone |
| 21/04/2012 | 20:00 | 21/04/2012 | 23:00 | EA-QRP CW Contest - 2 | CW |
| 21/04/2012 | 21:00 | 22/04/2012 | 05:00 | YU DX Contest (1) | CW |
| 22/04/2012 | 07:00 | 22/04/2012 | 11:00 | EA-QRP CW Contest - 3 | CW |
| 22/04/2012 | 09:00 | 22/04/2012 | 17:00 | YU DX Contest (2) | CW |
| 22/04/2012 | 11:00 | 22/04/2012 | 13:00 | EA-QRP CW Contest - 4 | CW |
| 23/04/2012 | 00:00 | 27/04/2012 | 23:59 | EUCW/FISTS QRS Party | CW |
| 23/04/2012 | 16:00 | 23/04/2012 | 16:59 | OK1WC Memorial Activity (MWC) | CW |
| 23/04/2012 | 19:30 | 23/04/2012 | 20:30 | UBA QRP Foxhunt | CW/PSK31 |
| 28/04/2012 | 00:00 | 28/04/2012 | 23:59 | 10-10 International Spring QSO Party | Digital |
| 28/04/2012 | 12:00 | 29/04/2012 | 12:00 | SP DX RTTY Contest | RTTY |
| 28/04/2012 | 13:00 | 29/04/2012 | 12:59 | Helvetia DX Contest | ALL |
| 28/04/2012 | 16:00 | 29/04/2012 | 21:59 | Florida QSO Party | CW/Phone |
| 29/04/2012 | 17:00 | 29/04/2012 | 21:00 | BARTG Spring SPRINT75 | RTTY 75 Bd |
| 30/04/2012 | 19:30 | 30/04/2012 | 20:30 | UBA QRP Foxhunt | CW/PSK31 |
(*) see: "HF" > "Fieldday News"
(**) see: "HF" > "Contest Rules"
