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Hartley (unit)

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The hartley (symbol Hart) is a unit of information defined by International Standard IEC 80000-13 of the International Electrotechnical Commission. One hartley is the information content of an event if the probability of that event occurring is 1/10.[1] It is therefore equal to the information contained in one decimal digit (or dit).

1 Hart ≈ 3.322 Sh ≈ 2.303 nat.

The hartley is named after Ralph Hartley.

See also

References

  1. ^ "IEC 80000-13:2008". International Organization for Standardization. Retrieved 21 July 2013.
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