REFLECTOR: Glideslope Antenna & Combiner/Splitter

[bdtopp at comcast.net]

I also have a SL30 with only a standard NAV antenna.  It's working great..

-------------- Original message -------------- 
From: "Bob Jackson" <bobj at computer.org> 

> The Apollo (Garmin) SL-30 installation manual says the SL-30 receiver has 
> sufficient receiver sensitivity to pick up a good glideslope signal using 
> only a standard NAV antenna. The SL-30 only has a single NAV antenna input 
> (no separate Glideslope input jack) and they advise against combining 
> signals from separate NAV and Glideslope antennas to create a composite 
> signal at the NAV input. 
> 
> One person said that most new Velocity's no longer even install a separate 
> Glideslope antenna because of the ability of the newer receivers to derive a 
> good Glideslope signal from the NAV antenna input. This would also simplify 
> our desire to shoot ILS approaches with either the SL-30 or CNX80, even 
> though we only put one Glideslope antenna into the airplane. 
> 
> My question is: has anyone had success getting strong Glideslope 
> performance on an SL-30 (or CNX80) using only the standard Velocity NAV 
> antenna input? 
> 
> Thanks, 
> Bob Jackson 
> N2XF (flying by the end of the year?) 
> 
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