[TowerTalk] Topband: Radials on ground v FCP

[Lux, Jim]

On 1/11/22 12:16 PM, Jim Brown wrote:
> On 1/11/2022 2:04 AM, Ignacy Misztal wrote:
>> At my new QTH, initially  I set up inv U about 80 ft high with 4 125 ft
>> elevated tuned radials about 10 feet high.
>
> N6BT, who has done a LOT of work on the topic of elevated radials, 
> told me that 20 ft is a minimum height for 160M. When I raised mine 
> from about 6 ft to that height, TX signal improved significantly. 


But what is the *reason* for it working better.  Is it something as 
simple as "the currents in the radials aren't loaded as heavily by 
something 20 feet away as opposed to 6 feet away" in which case it's a 
sort of soft transition, and "going higher" is a matter of diminishing 
returns.