[Elecraft] Running high power

[Jim Brown]

On 11/24/2022 8:45 AM, K9ZTV wrote:
> Amen to everything Steve says.

Yes.
> 
> DJ0IP, who has done more practical research on off-center-fed dipoles than probably anyone on the planet, has concluded they are fine up to 500-700 watts, but problematic above that and not recommended.

Those conclusions are VERY strongly dependent on where the antenna is 
installed with respect to victim equipment, and what victim equipment is 
in the home.

In addition, almost anything fed by open wire line, especially OCF 
dipoles, are magnets for RX noise.

73, Jim K9YC
> 
> 73,
> Kent
> K9ZTV
> 
>> On Nov 24, 2022, at 9:37 AM, Steve Hall<99sunset at gmail.com>  wrote:
>>
>> Certainly as you increase power you are more likely to cause undesirable
>> effects in the home.  Now I am going to make a generalization that I have
>> found true.  The antenna type makes a significant difference in
>> interference.  Unbalanced antennas introduce more RF into the home as
>> opposed to balanced antennas.  An end-fed or off-center fed causes far more
>> problems than a dipole or inverted Vee.   I have proven this to myself over
>> and over.