[Elecraft] Sloping Terrain vs Feedline Losses

[David Gilbert]

Lowering takeoff angle.

Regarding the other part, I've stated it as clearly as I can about three 
times now.   If you disagree or can't follow the point, I don't think 
anything else I might say will change that.

73,

Dave   AB7E


On 7/13/2016 12:03 PM, Wes Stewart wrote:
> Ok, but I'm unclear about what "improves radiation pattern" means. To 
> paraphrase your other premise, "I'm not sure if it does or doesn't but 
> if it does, I'm sure it's big" has me wondering.  But I wonder about a 
> lot of things...
>
>
> On 7/13/2016 10:38 AM, David Gilbert wrote:
>>
>> No, I didn't mean that.
>>
>> If sloping ground improves radiation pattern, it's going to be worth 
>> more than 1 db.  Pattern changes of any sort typically have 
>> significant effect, whereas one db is almost trivial (notwithstanding 
>> my own experiments on that on my website).  I'm not saying that 
>> sloping ground actually has a significant effect ... only that if it 
>> has any effect at all it is likely to be greater than 1 db.
>>
>> Dave   AB7E
>>
>>
>>
>> On 7/13/2016 10:06 AM, Wes Stewart wrote:
>>> I hope you meant much less than 1 dB.
>>>
>>> On 7/13/2016 1:49 AM, David Gilbert wrote:
>>>>
>>>> Agree on the coax losses, but totally disagree on both of your 
>>>> other comments:
>>>>
>>>> 1.  Elevated radials will ONLY help reduce near field ground losses 
>>>> ... they will do nothing to help radiation pattern. The effects of 
>>>> ground conductivity determine far field pattern (given a particular 
>>>> profile) no matter what kind of radials he uses.
>>>>
>>>> 2.  If there is any gain benefit from the terrain profile at all, 
>>>> it will be much more than 1 db.
>>>>
>>>> Dave   AB7E 
>
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