[TowerTalk] Vertical placement?

[Mark - N5OT]

Steve,
Did you connect to the metal roof as your ground plane or did you still 
use resonant wires instead?
Mark N5OT

On 11/13/2020 9:44 AM, k7lxc--- via TowerTalk wrote:
>>    A roof mount also has the advantage of less coupling/blocking/absorption by nearby structures and objects.  The challenges are the band matching of elevated radials.  Did this many years ago for a Mosley RV4 40>10.  Downward sloping radials also raise the feedpoint Z closer to 50 ohms.  This can be modeled.  My best ever vertical was on a galvanized steel barn roof. Hiya, Grant -     Tnx for good comments. Reminds me that Don Stoner, W6TNS, had a house on Mercer Island with a solid copper roof. Pilots could see it on their radar! You may remember him also for his famous 11M Stoner SSB CB rig that had a slider feature.  Cheers,Steve    K7LXC
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