[TowerTalk] 16om vertical and the number of radials

[Lux, Jim]

On 12/2/22 2:41 PM, Jim Brown wrote:
> On 12/2/2022 10:46 AM, Jeff Blaine wrote:
>> At Dayton/Xenia antenna forum this year 2022, N9NB had a pretty 
>> interesting talk on low band verticals. The key take-away from that 
>> was that you could reasonably determine your actual ground loss based 
>> on VNA measurement of your antenna, and comparing it with the model 
>> of same. Of course the caviets apply - the more simple and idealized 
>> your antenna is in reality, the easier it is to closely model the 
>> reality of the install and get a better set of ideal numbers to 
>> compare the measured against.
>
> The likely unknown here is the soil characteristic plugged into the 
> model, as compared to what we have. :) 


So much so that the way you measure the soil characteristic is by 
plugging different numbers into the model until it matches the measurement.