effective horizon

effective horizon

[ə¦fek·tiv hə′rīz·ən]
(communications)
A horizon whose distance at a given height above sea level is the distance to the horizon of a fictitious earth, having a radius ⁴⁄₃ times the earth's true radius; used to estimate ranges of antennas, taking atmospheric refraction into account.
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The completion of distribution is subject to the Securities and Exchange Commission (SEC) having declared effective Horizon Global's Registration Statement on Form S-1, as amended, which Horizon Global has filed with the SEC and is available at www.
Semmens noted that with its cutting-edge, cost effective Horizon batteries, Electrosource is undergoing a major transition from a research and development company to a manufacturer of advanced lead acid batteries for electric cars and many other uses.
The variation arises because the effective horizons of consumers also vary over the life-cycle of a buffer stock consumer.
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