Station KPH Operating Station

18500 CA 1, Marshall, California. County/parish: Marin.

Added to the National Register of Historic Places July 24, 1989. NRIS 89000819.

1 contributing building.

Also known as:

  • Marconi Property

From Wikipedia:

KPH (radio station)

KPH is a coast radio station on the Pacific Coast of the United States. For most of the 20th century, it provided ship to shore communications including telegrams (using Morse code) and marine telex service (using radioteletype). The station discontinued commercial operation in 1998, but is operated occasionally as a historic service – its signal can be received over a large portion of the western hemisphere.

Ship to shore telephone calls were not handled by KPH but by other stations such as the nearby AT&T high seas station KMI.

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National Park Service documentation: https://catalog.archives.gov/id/123859715

LC