KPK was a Radiomarine (RCA) station located in Portland, OR.  It operated on 143kc, 163kc, 460kc and 500kc and provided 24 hour service.

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KPK used a co-located transmitter and receiver in a cozy litle shack with curtains on the window.

A closer look at the operating position reveals a IP-501 receiver to the left of the mill.  To the right is the land line telegraph sounder.  The operator apparently had to stand up to use the phone!

The KPK CW transmitter.

KPH flat top antenna, view 1.

KPH flat top antenna, view 2.

KPH flat top antenna, view 3.