AV-587 Antenna Coupler 1 NAV/LOC/GS, 1 NAV/LOC, 1 GS
(DAI Part# AV587)
The AV-587 Antenna Coupler is an antenna signal
"splitter/diplexer" providing three outputs from a single
antenna. One output provides a combined VOR/LOC/GS
signal. A second output provides a combined VOR/LOC
signal. And a third output provides a GS signal.
The necessity of bringing this product forward comes from
advancing technology in avionics. Newer designed
navigational radios have only one antenna input to receive
all three (VOR/LOC/GS) signals whereas older legacy radios
had a separate antenna input for the VOR/LOC signal and
another antenna input for the GS signal.
In an aircraft instrument panel with one newer navigational
radio and a second older legacy navigational radio, the AV-
587 is the "article" that will provide the necessary signals to
both radios utilizing a single antenna.
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