Jim Creek Naval Radio Station, Military transmitter station in Snohomish County, United States
Jim Creek Naval Radio Station is a military transmitter facility in Snohomish County, Washington, that stretches across two mountain ridges. Twelve steel towers support an extensive antenna system containing roughly 50 kilometers of cable.
The station was founded in November 1953 with a one-million-watt transmitter designed to improve naval communications across the world's oceans. It represented a key advancement in ensuring global military radio contact.
The facility provides an outdoor recreation area where military personnel and their families enjoy fishing, boating, and wildlife watching. These activities shape daily life for those stationed here.
The facility transmits on very low frequencies of 24.8 kHz, allowing communication with submarines operating deep beneath the ocean surface worldwide. This frequency penetrates salt water, making submerged vessels reachable.
The system uses a network of buried cables beneath the antenna installation, forming a sophisticated grounding structure for optimal signal transmission. This hidden infrastructure is critical to the efficiency of the entire radio system.
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