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Radio noise near in frequency to a received radio signal (in the receiver's passband) interferes (RFI) with the operation of the receiver's circuitry.The level of noise determines the maximum sensitivity and reception range of a radio receiver; if no noise were picked up with radio signals, even weak transmissions could be received at virtually any distance by making a radio receiver that had ...
Traffic announcement (TA) refers to the broadcasting of a specific type of traffic report on the Radio Data System.It is generally used by motorists, to assist with route planning, and for the avoidance of traffic congestion.
The Comité International Spécial des Perturbations Radioélectriques (CISPR; English: International Special Committee on Radio Interference) was founded in 1934 to set standards for controlling electromagnetic interference in electrical and electronic devices and is a part of the International Electrotechnical Commission (IEC).
A radio noise source is a device that emits radio waves at a certain frequency, used to calibrate radio telescopes, [1] such that received data may be compared to a known value, as well as to find the focal point of a telescope soon after construction, so that the wave guide and front end may be properly located.
Highway noise is today less affected by motor type, since the effects in higher speed are aerodynamic and tire noise related. Other contributions to the reduction of noise at the source are: improved tire tread designs for trucks in the 1970s, better shielding of diesel stacks in the 1980s, and local vehicle regulation of unmuffled vehicles. [13]
A Citizen's Band transceiver equipped with a noise blanker for the receiver, controlled by a button on the front panel (2nd from right). In the design of radio receivers, a noise blanker is a circuit intended to reduce the effect of certain kinds of radio noise on a received signal. [1]
An update of RSS is CPS, a Windows-based version of the package used for some of Motorola's newer radio models. Radios are connected to PCs via the serial port, [2] and proprietary programming cables. The use of genuine Motorola OEM programming cables is strongly suggested, as aftermarket brands are not as reliable and could lead to radio damage.
The sum of all these lightning flashes results in atmospheric noise. It can be easily heard with any AM radio or SSB receiver tuned to an unused frequency. [4] The heard static is a combination of white noise (cumulative of distant thunderstorms) and impulse noise (from relatively nearby thunderstorms, if any). The power-sum varies with seasons ...