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Additional
effective radiated power
English Wikipedia - The Free Encyclopedia
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Effective radiated power
In
electromagnetic
transmission systems, particularly those dealing with
telecommunications
,
effective radiated power
or
equivalent radiated power
(
ERP
) is a standardized theoretical measurement of
radio frequency
(RF) power using the
SI
unit
watt
, and is determined by subtracting system losses and adding system
gain
s. ERP takes into consideration
transmitter power output
(TPO),
transmission line
attenuation
(
electrical resistance
and
RF radiation
),
RF connector
insertion losses
and
antenna gain
(the combination of
antenna efficiency
and
antenna directivity
), but not
height above average terrain
(HAAT). ERP is typically applied to
antenna
systems.
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