UBA HF Contest Calendar - 05/2009
| Date Start | UTC Start | Date End | UTC End | Name | Mode | Results | Date/Rules |
| 2009-01-01 | 00:00 | 2009-12-31 | 23:59 | CQ DX Marathon | All | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-01 | 13:00 | 2009-05-01 | 19:00 | AGCW QRP/QRP Party | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-02 | 00:00 | 2009-05-03 | 24:00 | VERON SLP Contest - Part 4 | SWL | 2007 - 2008 | OK/OK |
| 2009-05-02 | 00:01 | 2009-05-03 | 23:59 | 10-10 International Spring QSO Party | CW | 2007 - 2008 | OK/OK |
| 2009-05-02 | 15:00 | 2009-05-03 | 15:00 | Day of the Portuguese Navy | SSB/CW/PSK31 | 2006 - 2007 - 2008 | ?/? |
| 2009-05-02 | 20:00 | 2009-05-03 | 19:59 | ARI International DX Contest | CW/SSB/RTTY | 2006 - 2007 - 2008 | ?/? |
| 2009-05-02 | 20:00 | 2009-05-03 | 05:00 | New England QSO Party (1) | CW/SSB | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-03 | 13:00 | 2009-05-03 | 24:00 | New England QSO Party (2) | CW/SSB | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-04 | 01:00 | 2009-05-04 | 03:00 | ARS Spartan Sprint | CW | - | OK/OK |
| 2009-05-05 | 00:00 | 2009-05-09 | 24:00 | AGCW Activity Week | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-09 | 10:00 | 2009-05-09 | 12:00 | EUCW Fraternizing CW QSO Party (1) | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-09 | 12:00 | 2009-05-10 | 11:59 | CQ-M International DX Contest | CW/SSB | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-09 | 12:00 | 2009-05-10 | 12:00 | Alessandro Volta RTTY DX Contest | RTTY | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-09 | 17:00 | 2009-05-09 | 21:00 | FISTS Spring Sprint | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-10 | 18:00 | 2009-05-10 | 20:00 | EUCW Fraternizing CW QSO Party (2) | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-16 | 12:00 | 2009-05-17 | 12:00 | EU PSK DX Contest | PSK31 | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-16 | 12:00 | 2009-05-17 | 12:00 | His Majesty The King of Spain Contest | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-16 | 21:00 | 2009-05-17 | 02:00 | Baltic Contest | CW/SSB | 2006 - 2007 - 2008 | ?/? |
| 2009-05-21 | 19:00 | 2009-05-21 | 23:00 | QRP - Minimal Art - SESSION (QRP MAS) | CW | 2006 - 2007 - 2008 | OK/OK |
| 2009-05-30 | 00:00 | 2009-05-31 | 23:59 | CQ WW WPX Contest | CW | 2006 - 2007 - 2008 | OK/OK |
+ = next year's contest rules
