[Elecraft] EFHW

[Doug Person]

I am feeding my end-feds with over 100 feet of coax and they work just fine.

Doug - K0DXV


On 2/9/2017 1:21 PM, K9MA wrote:
> Well said, Bill!
>
> 73,
>
> Scott  K9MA
>
> On 2/9/2017 10:39, Bill Leonard N0CU wrote:
>> The reason your antenna was a lot less finicky with a bit of coax is 
>> that the
>> EFHW antenna requires a return path for the RF field. Theoretically, 
>> without
>> a return path, the antenna won't radiate at all. The recommended 
>> setup for
>> this antenna is for a .05 wavelength counterpoised to be used. EZNEC 
>> models
>> indicate that there is little benefit to going much longer than .05
>> wavelengths, and a quarter wavelength is actually less effective than 
>> the
>> shorter lengths.  If no counterpoise is used, then coax shield 
>> becomes the
>> counterpoise by default.
>>
>> Bill  N0CU
>>
>>
>>
>>
>
>