[TowerTalk] ground radial project
Steve Hunt
steve at karinya.net
Fri Jan 14 02:43:37 PST 2011
Rudy Severn's work showed that for a given total length of copper, more
short radials - as opposed to fewer long ones - was the better option.
He also found some supporting evidence for the old "Ham lore" that
radials don't need to be longer than the vertical is high.
Don't forget that a 43ft vertical represents completely different
electrical lengths on different bands; on bands where the feedpoint
impedance is relatively high, the ground system will be less important.
73,
Steve G3TXQ
On 13/01/2011 19:39, K2VI wrote:
> Ok, thanks to all who responded to my last post. really appreciate all the help. I considered the ground bus system but didn't want to bury the aluminum due to it disintegrating in 5 years and above ground how could it be secured without it shifting. So i just went ahead and ordered the DX engineering stainless plate. It U bolts right to the post. I just bought 26,000 feet of # 14 stranded insulated copper wire at a govt surplus bussiness in norfolk va. I paid 615.00. I know i will never use all of it in a lifetime but who knows. For that price i had to jump on it. So the question is on my 43' vertical how many radials would you reccomend before it's a waste of time and should i make them longer than the antenna. I can run some as long as 55' and some as short as 25'. Im thinking 25' would be ineffective. Any ideas. thanks in advance.
>
> tony k2vi
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