Section 8
Glossary
Page 8 - 2
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EXPLANATION OF USED TERMINOLOGY
C-band
A frequency range (3.70-4.20 GHz) used for satellite
broadcasts.
CCITT
An European committee of the international
Telecommunications Union and makes recommendations for
the distribution of telephone and data distribution.
Clarke Belt
The Clarke Belt is a dedicated satellite orbit in which
satellites remain in a fixed position relative to the Earth’s
surface.
CI-module/CAM
Both names are used for these modules. These modules are
PCMCIA cards with a slot in which you can insert a smart
card.
Common Interface (CI)
A DVB standard which defines the software and hardware
requirements for condition access systems.
Conditional Access
A system which is used by service providers to control the
subscriber’s access to certain services, programs and events
like Pay TV.
DBS band
A signal frequency range (11.70-12.40ghz) intended for
direct TV broadcast by satellite channels.
Decoder
A unit that is connected to a satellite receiver in order to
unscramble a picture that is protected by encryption.
Digital Audio Broadcasting
Standard which describes the method of transmitting digital
audio.
DiSEqC
A standard through which it is possible to let a DiSEqC
compatible receiver send a signal over the RF cable to a
switching device to switch between different LNBs or dishes.
The DiSEqC uses the 22 kHz signal to control the switching
device.
DVB
A broadcast standard for digital radio and television, using
MPEG-2 compression. DVB is being supported by all
European manufacturers and broadcasters.
EPG
A electronic program guide that comes with the broadcast of
a particular satellite, Note that every station fills the EPG
differently or not, so differences in the EPG are not
necessarily receiver errors.
FEC
Is an invisible part of a broadcast which makes sure that
possible errors in the reception of the satellite signal are
corrected.
Feedhorn
A part of the dish which collects the signals from the dish.
The signal is then fed to the LNB(F).
Ferrite
A remote controlled device that determines the polarity of the
signal which is fed to the LNB. The ferrite is more or less an
electro-magnetic polarizer.
Fixed Dish
A dish antenna that is pointed at one particular satellite.
Free-To-Air broadcast
An unscrambled broadcast which you can view without
additional payments to a service provider.
Frequency band
A frequency band is a range of frequencies which are
dedicated to a certain usage. In the satellite area, commonly
known bands are the C-band and the Ku-band.
GMT
Greenwich Mean Time (London time) is the time standard
against which all other time zones in the world are
referenced.
High Definition Television
A digital television format, which combines high-resolution
video and theater like sound to create a movie theater quality
TV viewing experience.