Contact with PJ4:
| Date | Call | Grid | Country | Mode | Band | Frequency |
| 30 Mar 10 | PJ4/OK5MM | FK52 | Bonaire, Curacao (Neth. Antilles) | PSK31 | 40m | 7.037647 |
| 20 Feb 10 | PJ4X | FK52ud | Bonaire, Curacao (Neth. Antilles) | CW | 40m | 7.035004 |
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