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From the 1950s to the 1980s, during the network era of American television, there were three commercial broadcast television networks – NBC (the National Broadcasting Company, "the Peacock Network"), CBS (the Columbia Broadcasting System, "the Eye Network"), ABC (the American Broadcasting Company, "the Alphabet Network") – that due to their longevity and ratings success are informally ...
This is a list of rack-mount or tabletop communications receivers that include short wave frequencies. This list does not include handheld, portable or consumer grade equipment. Those that include VHF or UHF can be termed wideband receivers, whereas those without HF would be termed scanners, or surveillance receivers.
In the U.S. telephone network, the 12-channel carrier system [1] was an early frequency-division multiplexing system standard, used to carry multiple telephone calls on a single twisted pair of wires, mostly for short to medium distances.
12 12 Yes 61.44 MSPS 4/4 FMC (to Xilinx board) then USB 2.0 or Gigabit Ethernet. Yes Yes Yes ADALM-PLUTO [15] Pre-built Active 325 MHz – 3.8 GHz (70 MHz – 6 GHz with software modification [16]) 20 MHz (streaming may be less due to USB 2.0) 12 12 Yes 61.44 MSPS 1/1 USB 2.0, Ethernet & WLAN with USB-OTG adapter Yes Yes Yes Xilinx Zynq Z-7010
In 2013, development started on a rewritten version known as OBS Multiplatform (later renamed OBS Studio) for multi-platform support, a more thorough feature set, and a more powerful API. [17] In 2016, OBS "Classic" lost support and OBS Studio became the primary version. [18] In March 2022, OBS was released on Steam for both Windows and Mac. [19]
An ocean-bottom seismometer (OBS) is a seismometer that is designed to record the earth's motion under oceans and lakes from man-made sources and natural sources. Sensors at the sea floor are used to observe acoustic and seismic events.
Its components are very similar to a desktop PC. The DTV receiver is a vital link in the chain of television system. The goal of a broadcasting system is to concentrate the hardware requirements at the source to simplify the receivers and makes it as inexpensive as possible. It is usually connected to the TV set or incorporated in the TV set.
The company had the capability to serve 52 percent of people in the United States but after a year, USCI had only 11,000 customers. USCI's inability to get channels such as CNN, along with a monthly cost of at least $24.95, in addition to the $400 to $700 for the receiver needed to pick up a still-weak signal, kept the numbers low.