LORAN-C transmitter Havre, Radio navigation station in Havre, Montana, United States
The LORAN-C transmitter Havre is a radio navigation station in Montana featuring a 700-foot tall antenna mast that broadcast signals across the north-central United States region. The facility transmitted powerful signals that allowed ships and aircraft to determine their positions using time-difference methods.
The station started operations in 1971 as a master station for the LORAN-C navigation network serving North America. It remained active until 2010, supporting both civilian and military navigation needs throughout its decades of continuous service.
The transmitter represented a technological milestone in Montana's communications infrastructure, supporting both civilian and military navigation requirements throughout its service.
The site can be viewed from outside, though there is no public museum or visitor center at this location. You should know that this is a former telecommunications facility with limited public access available.
The antenna system was one of the few LORAN-C transmitters that operated continuously under extreme conditions across the northern United States for decades without interruption. Montana's harsh climate made reliable maintenance and monitoring a constant challenge.
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