Frequency

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1-1-235

Reciprocal of the period.

Symbol f, ?

Note: 1 When the independent variable is time, the unit of frequency is the hertz.

Unit hertz (Hz) lHz = l/s


Reference: C.I.E.


Note: 2 In Britain, France and U.S.A. cycles per second (cps or c/s) have been used for "hertz".




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

second

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

South

ampere

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