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Commercial Radio Hong Kong (CRHK, Chinese: 香港商業電台, also known as Hong Kong Commercial Broadcasting Company Limited, is one of the two commercial radio broadcasting companies in Hong Kong, alongside Metro Radio Hong Kong. CRHK offers a variety of radio programs, including news and weather reports, music, and cultural arts.
The Navy assumed control of fifty-three American Marconi coastal stations, closing twenty-eight of them as unneeded. Also taken over were 370 radio-equipped oceangoing vessels, although an additional 170 smaller vessels and tugs were left under American Marconi control.
The station served throughout World War I under government control, and remained in operation until its last transmission in November 1938. The station was dismantled in spring, 1939. 1923 extension to the 1914 Marconi antenna. On 22 September 1918 the first wireless telegraph message to Australia was sent from Carnarvon. [41]
The GROL is the most common FCC commercial license, accounting for about 80% of those issued by the commission, because of the wide range of positions that require it. Like all FCC commercial licenses, the GROL is issued for the lifetime of the licensee. The GROL conveys all of the operating authority of the Marine Radio Operator Permit (MROP).
Carrier current transmission, originally called wired wireless, employs guided low-power radio-frequency signals, which are transmitted along electrical conductors. The transmissions are picked up by receivers that are either connected to the conductors, or a short distance from them.
ALLISS is a somewhat rotatable antenna system for high power shortwave radio broadcasting in the 6 MHz to 26 MHz range. An ALLISS module is a self-contained shortwave relay station that is used for international broadcasting .
A transmission control unit (TCU), also known as a transmission control module (TCM), or a gearbox control unit (GCU), is a type of automotive ECU that is used to control electronic automatic transmissions. Similar systems are used in conjunction with various semi-automatic transmissions, purely for clutch automation and actuation.
A Tone remote, also known as an EIA Tone remote, is a signaling system used to operate a two-way radio base station by some form of remote control. [ 1 ] [ 2 ] [ 3 ] A tone remote may be a stand-alone desktop device in a telephone housing with a speaker where the dial would have been located.