ZK1 N. Cook Is. OC
| CALL | YY MM DD | OP | 備考 |
| ZK1XP | 1991 SEP 27 | JA1OEM | QSL提供 JH1UUT |
| ZK1AJJ/ZK1 | 1993 JUN 19 | JF2MBF | QSL提供 JH1UUT |
| ZK1NJC ZK1NDK | 2000 NOV 3 | JI1NJC, JR2KDN | QSO WITH ZK1NJC |
| ZK1KDN | 2001 OCT 23 | JR2KDN | QSL提供 JH1UUT |
ZK1XP |
ZK1AJJ/ZK1
 |
ZK1NJC |
ZK1KDN
 |