Frequency tolerance

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4-1-050

The maximum permissible departure by the centre frequency of the frequency band occupied by an emission from the assigned frequency, or by the characteristic frequency of an emission from the reference frequency. The frequency tolerance is expressed in parts in 106 or in hertz.

Reference: I.T.U. (modified)




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

charge current

Intensity

Time period

roll period

Transmissivity

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM