John, I'm trying to figure out how a xponder antenna would be between the rudder pedals and the firewall. Paint works at first but can fracture.A physically robust connection to the ground plane is best. If it were me I would take the antenna off (assuming it's outdoors like it should be), grind through all the filler down to the carbon, install a small sheet metal ground plane, provide a good strong contact area, reassemble, and then bodywork over the remaining visible ground plane.
Colyn On Nov 5, 2013, at 7:46 AM, John Barrett wrote: Hello all,
Behind the rudder pedal the antenna for the transponder can be ID'd by the brown Rg cable.
ATC sometimes loses my squawk and I am thinking I need to add a ground plane. Question for the group is if I can paint conductive paint around the antenna and under neath the hydraulic lines as much as possible. Will the Jeffco tank sealer interfere with effecitveness? Do I need to remove the antenna or can the hub be painted to provide continuity?
Any suggestions welcome.
Thanks,
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