W3ZJU/KP6 1958 Palmyra Island

Operator: John A. Hudick

The activity from Palmyra in 1957/58 took place to observe the atomic testing by British Operation Grapple,
which detonated nuclear devices at Malden Island and Christmas Island in 1957 and 1958.

QSL Patrick Rigg Collection
Info courtesy of 5B4AHJ, Palmyra Archive, Wikipedia