XU5MK 1940 China
The operator was David Yuen
Hhuan Liang, XU5MK, etc.
He was a student at the University of Michigan, Ann Arbor,
Michigan (mid-1940's and 1950's).
He was 1st LT. U.S. Marine Reserves.
Born August 1, 1917, Euling, Kiang, China and became a Silent Key
April 28, 1997 in the U.S.A.
QSL from the estate of W8JIN
Info courtesy of W5KNE