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Old March 22nd 14, 05:09 PM posted to rec.radio.amateur.antenna
John S John S is offline
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First recorded activity by RadioBanter: May 2011
Posts: 550
Default Discone and feedline grounding

On 3/22/2014 12:02 PM, Jon Danniken wrote:
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


I understand that. But, does it prevent you from doing an experiment
while the weather is nice?

If so, then go for it and see if you like it. What are your alternatives?