Effective height (U.S.A.)

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4-1-250

Effective height (U.S.A.)

The height of the antenna centre of radiation above the effective ground level.


Note: For an antenna with symmetrical current distribution the centre of radiation is the centre of distribution.

For an antenna with asymmetrical current distribution the centre of radiation is the centre of current moments when viewed from directions near the direction of maximum radiation.

Reference: I.R.E.




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

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