Topband: Daisey Chained ground rods
herbs at vitelcom.net
Sat Nov 19 11:38:21 PST 2011
So the answer is a better ground on the Beverage ends may not buy you
much....but could it hurt you? The common mode issues I try to mitigate
with 3inch toroids as I am told that is supposed to help. I could also
wind some 1:1 isolation boxes.....but the coupling between Beverages
going in opposite directions is probably not cut down by either toroids
or 1:1 isolation boxes? Here in the tropics the qrn normally would mask
any achievable improvement anyway. I am looking for a db here or there
which i probably will never see. IMHO the Beverage grounds, or lack
thereof probably has more to do with pattern shaping anyway. correct?
Herb Schoenbohm, KV4FZ
On 11/19/2011 3:12 PM, Guy Olinger K2AV wrote:
> I'd ask the question differently. If you have "before" data, and can
> remeasure after you hook them together to get some "after" data, and
> you are trying to advance science, go for it. But otherwise begin
> from "if it ain't broke don't fix it." What is wrong, and what do
> you KNOW you stand to gain by doing it? If nothing, go fix an amp,
> string up another beverage to cover Bora Bora, or put your feet up and
> have a beer. Personally, my gut says not to involve new miscellaneous
> conduction paths with working antennas. Why give an antenna ANOTHER
> common mode path into the feed to clean up?
> The great universal ground that sucks everything up, covers everything
> up, absorbs everything, does not exist. You have dirt,
> semi-conducting, semi-transparent at MF. A beverage is not a
> well-understood antenna, because it depends on dirt, and dirt is not
> well-understood. We got some voodoo in every beverage, and don't know
> why the magic words work.
> If you say "thick conducting rods in the semi-conducting,
> semi-transparent-at-MF dirt", it sounds and feels different than
> "ground rods", does it not?
> 73, Guy.
> On Sat, Nov 19, 2011 at 12:50 PM, Herb Schoenbohm<herbs at vitelcom.net> wrote:
>> Is there any cause for concern hooking two grounds together for separate
>> Beverages? I have a a single wire Beverage that runs 600 feet to the
>> East and and another that runs 600 feet to the West. The ground rods
>> are 6 feet apart. I use spiders on both 4x 30' and earth is moderate to
>> good conductivity as a former hay field now covered with high grasses..
>> Is there any advantage or disadvantage from connection of the two ground
>> rods together with a #8 bare copper jumper?
>> Herb Schoenbohm, KV4FZ
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
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