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Contact with KO4PU:
| Date | Call | Grid | Country | Mode | Band | Frequency |
|---|---|---|---|---|---|---|
| 20 Nov 10 | KO4PU | EM67oi | United States of America | PSK31 | 20m | 14.070000 |
| 29 May 09 | KO4PU | EM67oi | United States of America | PSK31 | 40m | 7.071434 |
| 30 May 08 | KO4PU | EM67oi | United States of America | PSK31 | 40m | 7.071137 |
| 19 Apr 08 | KO4PU | EM67oi | United States of America | PSK31 | 20m | 14.071079 |
| 12 Jan 08 | KO4PU | EM67oi | United States of America | PSK31 | 20m | 14.070698 |
