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I'm looking for some feedback from the group
regarding Nav antenna performance for different configurations of
antennas.
I currently have dual Nav/Comms that share one
antenna for the Nav side. This includes VOR/LOC/GS functions. The
antenna coax goes to the input of a diplexer and the two outputs each go to one
of the Nav receivers. The nav/comms are Apollo SL30 which have built in
recievers for VOR/LOC/GS. The problem I've seen since I acquired the
airplane has been poor performance with the LOC & G/S from either nav
indicator. VOR from both is good however.
Has anyone noticed degraded performance using a
single antenna for VOR/LOC/GS functions? Are there any special diplexers
that could be used to improve degraded performance? or possibly a need to
install a seperate antenna for each receiver? I'm not sure what kind of
Nav antenna the builder used, but it is installed in the horizontal
stab.
thanks
Steve Rosenzweig
Lancaster, CA
LNC360
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