Topband: Outdoor cable trunking - THANKS

[Dave G4GED <radiodave.g4ged@tiscali.co.uk>]

Many thanks to all those who responded.
The consensus suggests that there's no benefit in general, for using 
metal cable trunking (cable tray in NA?) to provide extra RF screening 
of TX/RX feeder cables outdoors.
So for aesthetic reasons mainly, I'll probably use PVC.
73 Dave

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Topband Reflector