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# In microwave radio relay systems, the alternate use of two frequencies at repeater sites to prevent feedback and oscillation.
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# and microwave
# a cosmic microwave background pervading the entire universe should exist, which is a record of a phase transition that occurred when the atoms of the universe first formed.
When we look at the cosmic microwave background radiation | CMB it comes from Observable_universe # Size | 46 billion comoving light year s away.
# and radio
In 1995, he started working on-air in radio, Power 106, the # 1 CHR radio station in Southern California.
A hydrogen radio frequency discharge, the first element inside a # Hydrogen maser | hydrogen maser ( see description below )
This motivated Polygram ( who now owned the Verve / MGM label archives ) to re-release the song to Top 40 radio where it became a major hit for a second time ( their second UK # 1 ) and a greatest hits CD collection called The Very Best of The Righteous Brothers ... Unchained Melody.
Wednesday Morning, 3 A. M. was re-released in January 1966 to capitalize on their newly found radio success with a later re-mixed electric / acoustic version of The Sounds of Silence, and so the album reached # 30 on the Billboard pop charts.
Dootone Records released The Penguins ' single " Hey Senorita " in late 1954 as the intended A-side, but a radio DJ flipped the record over to the B-side: " Earth Angel " worked its way up to # 1 on the Billboard charts ( the only Penguins song ever to fly that high ), and held that place for three weeks early in 1955.
# The prevention of successful radio communications by the use of electromagnetic signals, i. e., the deliberate radiation, reradiation, or reflection of electromagnetic energy with the objective of impairing the effective use of electronic communications systems.
# In frequency-division multiplexing, the frequency band occupied by the aggregate of the signals in the line interconnecting the multiplexing and radio or line equipment.
# In the acceptance testing of radio transmitters, the mean power supplied to the antenna transmission line by a radio transmitter when loaded with noise having a Gaussian amplitude-vs .- frequency distribution.
# as an upper bound for the symbol rate across a bandwidth-limited baseband channel such as a telegraph line or passband channel such as a limited radio frequency band or a frequency division multiplex channel.
# In radio communications systems, pertaining to a radio station or television station that is completely shut down, i. e. that is not transmitting any signal, not even an un-modulated carrier wave.
# In a radio station, pertaining to a particular source of modulation, such as a specific microphone, that is disconnected, i. e. is no longer capable of modulating the carrier.
# The ratio of ( a ) the power of original modulating audio signal, i. e., from a modulated radio frequency carrier to ( b ) the residual audio power, i. e., noise-plus-distortion powers remaining after the original modulating audio signal is removed.
# and relay
# for a relay, the time between when the coil is de-energized, and the instant that contact closure ceases or is established.
# At tape relay intermediate stations, the manual routing or rerouting of taped messages without rekeying them.
# A relay cell, as opposed to a command cell like the create cell used in the first step, is not interpreted by the receiving node, but relayed to another node.
# The relay node, similar to the first step, replies with its half of the handshake in plain text along with a hash of the shared secret.
# As the entry node-relay node circuit has been established, the entry node replies to the originator with a relay extended cell, telling it that the chain has been extended, and containing the hash of the shared secret along with the relay node's half of the handshake.
# To extend the chain further, the originator sends the entry node a relay cell which contains a relay cell that only the relay node can decrypt, instructing the relay node to extend the chain further.
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