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Digital selective calling (DSC) is a standard for transmitting predefined digital messages via the medium-frequency (MF), high-frequency (HF) and very-high-frequency (VHF) maritime radio systems. It is a core part of the Global Maritime Distress Safety System (GMDSS).
DSC version 1.0 was released on 10 March 2014, but was soon deprecated by DSC version 1.1 released on 1 August 2014. The DSC standard supports up to a 3∶1 compression ratio (reducing the data stream to 8 bits per pixel) with constant or variable bit rate, RGB or Y′C B C R 4:4:4 , 4:2:2, or 4:2:0 color format, and color depth of 6, 8, 10, or ...
DSC was intended to eliminate the need for persons on a ship's bridge or on shore to continuously guard radio receivers on voice radio channels, including VHF channel 16 (156.8 MHz) and 2182 kHz now used for distress, safety and calling. A listening watch aboard GMDSS-equipped ships on 2182 kHz ended on February 1, 1999.
TP-Link began its first international expansion in 2005. In 2007, the company moved into a new 100,000-square-meter headquarters and facilities at Shenzhen's Hi-Tech Industry Park. TP-Link USA was established in 2008. [9] In 2022, TP-Link Corporation began to separate from TP-LINK Technologies Co., Ltd. (TP-LINK) in China.
Former President Bill Clinton has been discharged from the hospital after being treated for the flu, a spokesperson said on Tuesday. Clinton, 78, was admitted to the hospital in Washington on ...
Differential scanning calorimetry can be used to measure a number of characteristic properties of a sample. Using this technique it is possible to observe fusion and crystallization events as well as glass transition temperatures T g. DSC can also be used to study oxidation, as well as other chemical reactions. [15] [16] [19]
The NCAA college football transfer portal will open on Dec. 9 and close on Dec. 28. Here is how it works.
If you've hunted for apartments recently and felt like all the rents were equally high, you're not alone: Many landlords now use a single company's software—which uses an algorithm based on ...