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A Glossary
azimuth The angular distance (side to side) from true
north along the horizon of an ODU to a
selected satellite.
BBC B-band Converter
A Ka-band RF converter that allows viewing
of high definition channels with some IRDs.
carrier-to-noise ratio
(Es/No)
A measure of the received carrier strength
relative to the strength of the received noise,
which is an indication of the quality of the
signal (in dB).
dithering A process used with Slimline ODUs to make
fine adjustments in the azimuth and
elevation directions to hone signal power.
EIV Extended Installation Verification
An automated process for using the AIM to
confirm proper alignment of an ODU.
elevation The angular distance (up and down) above
the horizon of an ODU to a selected satellite.
IRD Integrated Receiver Decoder
Integrated receiver with a built-in decoder
for unscrambling subscription channels.
Also called satellite receiver and set-top box.
LNB Low-Noise Block Downconverter
Component located at the end of the arm
projecting from an ODU that receives the
signals sent by the satellite and converts
them to a lower frequency that can be
accepted by a compatible satellite receiver.
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