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INTRAC 204 Antenna Control Unit
For Antennas up to: 9.6 meters in C-Band or 4.5 meters in Ku-Band
Features
Low cost, high performance and high reliability
for antennas up to 9.6 metres in diameter C-
Band and 4.5 metres in diameter Ku-Band
INTRAC™ orbit modelling algorithm offers the
highest tracking Integrity
Accurately tracks satellites with orbital
inclinations up to and beyond 10°
Built in 36VDC, 8A drive unit to directly drive
DC actuators with sequential Dual Axis drive
Average tracking signal degradation less than
0.1dB
Accepts high resolution resolver transducers
down to 20 arc seconds (16 bits)
Compatible with INTELSAT and EUTELSAT
SCPC tracking specifications
Tolerates signal fluctuations that defeat step
track and memory track controllers
Resilient to tracking signal loss, maintaining
integrity for up to 72 hours
Non-volatile memory ensures tracking is
resumed after power failure
Full M&C control via RS232 / RS422 interface
Can Incorporate IBRL-7 integral L-band
beacon receiver
Option to drive a third polarization axis
Overview
The INTRAC™ 204 Antenna Control Unit
enables satellite earth station antennas to
accurately track geosynchronous satellites with
orbital inclinations up to and beyond 10°. The
unit offers superior tracking integrity with any C-
Band antenna up to 9.6 meters and any Ku-
Band antenna up to 4.5 meters. The control unit
uses the INTRAC (INtelligent TRacking Antenna
Control) algorithm which has been developed
and refined over a 20 year period. It offers
exceptional immunity to propagation
disturbances and fades, maintaining reliable
pointing accuracy even at low angles of
elevation in regions of high scintillation.
The INTRAC 205 is compatible with INTELSAT
and EUTELSAT SCPC tracking specifications.
It is able to tolerate signal fluctuations that
defeat step track and memory track controllers
and is resilient to loss of tracking signal, the unit
will maintain tracking integrity for blackout
periods up to 72 hours. The non-volatile
memory ensures that accurate tracking is
resumed after power failure.
The unit incorporates 36VDC motor drive
circuits providing a single box solution that is
simple to install, reducing set up costs. It
features full remote monitoring and control via
an RS232 / RS423 serial interface. Average
tracking signal degradation is less than 0.2dB.
The INTRAC 204 features a two-line LCD
display and can be supplied with an integral L-
Band beacon receiver.