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Discone and feedline grounding
John S wrote:
Jon, you are making this much more complicated than it really is. A discone is a vertically polarized omnidirectional antenna. Just like a quarter-wave vertical. The difference is that the discone supposedly has a wide bandwidth. For receiving purposes, do you care about grounding the shielding to something if you can receive what you are listening for? Grounding the shield may cause your receive pattern to change, but that can happen with nearby trees and nearby structures as well. Your best bet is to put it up and try it out. You can try grounding and ungrounding the shield to suit your reception desires, if it even makes a difference. Hi John, my sole reason for grounding the coax at the entry point of the building is to be code compliant WRT lightning protection. Jon |
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