distant signal

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distant signal

[¦dis·tənt ′sig·nəl]
(civil engineering)
A signal placed at a distance from a block of track to give advance warning when the block is closed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
He also claimed that, through STELAR, "distant signals are provided to cable and satellite companies at a government rate far below the rate of local channels, which are negotiated between the broadcasters and the multichannel video programming distributors."
barred cable systems from importing distant signals that duplicated
Jones says, "The strength of the signal, direction, name and security level on these are translated into an audio stream made up of a foreground and background layer: Distant signals click and pop like hits on a Geiger counter, while the strongest bleat their network ID in a looped melody,"
Aereo, also unlike broadcasters, does not deliberately select and import distant signals, nor does it originate programmes and sell commercials.
Albert wrote: "I saw my first television programme in November 1951, about one month after distant signals could be received on Teesside.
Despite CRTC's dismissal of the offer, the regulator did make one concession to the networks, allowing them to negotiate with cable carriers to charge for carrying "distant signals." That could be worth up to C$93 million a year for the broadcast TV sector at large.
The Hudd system was used on the line between Fenchurch Street and Shoeburyness from the 1930s and gave drivers an audible and visual indication of distant signals. However, the provision of the system did not prevent a collision between two trains in dense fog at Dagenham East on 30 January 1958 when 10 passengers were killed and 89 were injured.
In another early forerunner of cable TV, other entrepreneurs erected their own antennas in isolated towns, capturing distant signals for local residents.
But for a test condition where the antenna is placed close to a large EUT, as the frequency increases, distant signals arriving from the EUT's farthest point now may be plane wave, and signals arriving from the nearest parts of the EUT closest to the antenna still may be in the near field.
The array's central mission will be to explore the childhood scribblings of the Universe: weak, distant signals emitted less than a million years after the Big Bang.
The so-called Grade A subscribers will have the ability to replace the distant signals with their local channels, albeit for an extra fee, paid to EchoStar.
Meanwhile, cable operators that had begun importing distant broadcast signals prior to the 1966 ban continued to do so on a grandfathered basis.(16) These distant signals provided the first test as to whether cable operators incurred copyright liability by retransmitting imported broadcast stations.