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Communication with submarines is a field within military communications that presents technical challenges and requires specialized technology. Because radio waves do not travel well through good electrical conductors like salt water, submerged submarines are cut off from radio communication with their command authorities at ordinary radio frequencies.
Unlicensed Radio and TV Noordzee since August 1964 used REM island offshore platform for broadcasting aimed at the Netherlands. On December 12, 1964, a law, which split the North Sea into continental sections was passed in the Netherlands. The sea bed under REM Island, to which the structure was attached, was declared Dutch territory.
In addition, the Coast Guard maintains a chain of high frequency (HF) and medium frequency (MF) radio stations that provide communications in the Atlantic and Pacific oceans, the Gulf of Mexico, and the Caribbean Sea. Coast Guard VHF Radio stations are currently being upgraded through the Rescue 21 program to meet the US obligations under the ...
The current Cutler Naval Station was built during 1960 and became operational on January 4, 1961. It has a transmission power of 2 megawatts. As with all VLF stations, the transmitter has a very small bandwidth, and so cannot transmit audio (speech) but only coded text messages, at a relatively low data rate.
Marine radio was the first commercial application of radio technology, allowing ships to keep in touch with shore and other ships, and send out a distress call for rescue in case of emergency. Guglielmo Marconi invented radio communication in the 1890s, and the Marconi Company installed wireless telegraphy stations on ships beginning around 1900.
91.9 Sea FM (call sign: 4SEE) is a commercial radio station licensed to, and serving the Sunshine Coast and surrounding areas. It broadcasts on 91.9 MHz on the FM band from its studios in Maroochydore. It is owned by Great Southern Land Media Group, and is sister station to 92.7 Mix FM.
A ship station (or ship radio station) is a radio station located on board a sea vessel. The ITU Radio Regulations define it as "A mobile station in the maritime mobile service located on board a vessel which is not permanently moored, other than a survival craft station." [1] Each station is classified by the service in which it operates ...
While Dutch authorities were unhappy with the broadcasts, they did not possess the legal right to stop them. However, on 12 December 1964, the government passed the REM law, which split the North Sea into continental sections. The sea bed under REM Island, to which the structure was attached, was therefore declared Dutch territory.