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Steered beam radars steer a narrow beam through a scan pattern to build a 3-D picture. Examples include NEXRAD Doppler weather radar (which uses a parabolic dish) and the AN/SPY-1 passive electronically scanned array radar employed by the Ticonderoga class of guided missile cruisers and other ships so equipped with the Aegis Combat System .
Free was the third ISP in France to offer Internet access without a subscription or a surcharged phone number, on 26 April 1999. [10] Unlike its predecessors in the niche of access without subscription (World Online on 1999-04-01 and Freesurf [] on 1999-04-19), Free's offer was not restricted in time or number of subscribers.
In 1997, satellite broadcasting started via Hot Bird 3. In 2001, RTV Slovenija's Multimedia Centre was established to help introduce new technologies. A new multimedia web portal was introduced in 2002. This portal includes regular news updates, broadcast archives, and the live transmission on line of most services, both radio and television.
In 2019, MRT3 was a test channel and broadcast with the Blizoo television service provider. In May 2020, the Macedonian Radio Television launched 3 more channels, including MRT3 (sports channel), MRT4 (international channel) and MRT5 (kids channel).
The dipole antenna of a radar altimeter of 1947. A radar altimeter (RA), also called a radio altimeter (RALT), electronic altimeter, reflection altimeter, or low-range radio altimeter (LRRA), measures altitude above the terrain presently beneath an aircraft or spacecraft by timing how long it takes a beam of radio waves to travel to ground, reflect, and return to the craft.
Channel 3 HD (Thai: ช่อง 3 เอชดี, formerly known as สถานีโทรทัศน์ไทยทีวีสีช่อง 3, lit. 'Thai Television Color Channel 3') [ 3 ] is a Thailand and Bangkok 's first commercial free-to-air television network that was launched on 26 March 1970 as Thailand and Bangkok 's first ...
Freya operated on shorter wavelengths, in the 2.5 to 2.3 m (120 to 130 MHz) band, allowing it to be broadcast from a much smaller antenna. This meant that Freya did not have to use the two-part structure of CH with a floodlight transmission, and could instead send its signal in a more tightly focused beam like a searchlight.
As of October 2021, TV3 remains to be the most-watched television station in Malaysia with about 17% of its viewing share among other Malaysian television stations, followed by TV9 with 15% of its viewing share, making two of them become the second most-watched television station in the country, despite the declining viewership of 3 free-to-air ...