KR6NR 1970 Okinawa, Ryukyu Islands

Operator: Glenn Howard Whidden, K3DO, ex-KR6NW and many other DX callsigns.
Glenn was born March 27, 1928 in Nashua, New Hampshire and became a Silent Key November 24, 2011 in Fort Washington, Maryland.
He was a Merchant Marine Radio Operator before World War II.
He was an electric engineer for the Central Intelligence Agency for 28 years.

This is one of Glenn's own callsigns from the estate of K3DO. See below!

QSL from the estate of YI1DD / HZ2NX / CE3JA / DL4GY / KR6NW / W1NXU / W3RVB / K3DO
Info courtesy of W5KNE