System Description

SystemDescriptionandInstallationManualforRangeFinder ICD1000001
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The antenna cable must have no more than 2dB of signal loss from the Range Finder to the antenna. This
includes losses in the connector and cable. Generic and custombuilt cables can be obtained from suppliers
suchasPasternak,Richardson,andAircraftSpruce.
Avoidsharpbendsintheantenna
cablethatcouldleadtoadditionalcableloss.
5.6 Connectingaltitudesensor/encodertosystemStaticPressure
Figure54PressureAltitudeEncoderPorttoStaticPressure
Altitude data for the extended squitter can be based on Range Finder’s integral, calibrated pressure sensor
andencoder(termedabli nd encoder).
RangeFinderhasanaltitudeencoderport.(SeeFigure54.)Plumbthealtitude encoderconnectiontoastatic
pressurelinethatshares thesamesourceasthe
mainaircraftaltimeter.Thepressurebarbissizedfor3/16”
InternalDiameter(ID)tubing.AtypicalinstallationwillhaveaTorYfittinginthestaticpressurelinewithone
end running to the Range Finder. Suitable Ybarbed tube fittings are available from suppliers such as
McMasterCarr.