11. D. AT-803 Antenna Coupler Unit (ACU)
-
Blade E-Field (See Figure 11-5 and
Table 11-6.)
The AT-803
ACU receives Omega/VLF signals and converts them for
processing by the OZ-800 RPU.
The AT-803 contains amplifier stages that
amplify the received signals sufficiently to allow the signals to be
cable-transmitted to the OZ-800 RPU without significant signal-to-noise
degradation.
The AT-803 ACU is used when a suitable location for the
AT-800 or AT-801 H-Field
ACU cannot be located by an aircraft skin map
because of excessive RFI aircraft noise.
AD-15619
AT-803 Antenna Coupler Unit
Figure 11-5
22-14-00
Page 198.170
Apr 15/93
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