The DXE unit already includes common mode choking internally.
It is unlikely that inserting an additional common mode choke in
series would help much. What is really needed is transformer
coupling, as I have demonstrated on my homebrew receive antennas.
Rick N6RK
On 7/11/2011 7:35 AM, Pete Smith wrote:
> Did you try heavy common-mode choking? I am using an 8-foot Clifton
> Engineering active antenna on over 200 feet of feedline, and find that
> 10 turns of RG-58 on a big Type 31 core, placed at each end of the
> feedline, make all the difference.
>
> 73, Pete N4ZR
>
> The World Contest Station Database, updated daily at www.conteststations.com
> The Reverse Beacon Network at http://reversebeacon.net, blog at
> reversebeacon.blogspot.com,
> spots at telnet.reversebeacon.net, port 7000
>
>
>
> On 7/10/2011 3:43 PM, Richard (Rick) Karlquist wrote:
>> I tried one of those, but the isolation from the feedline
>> was insufficient, so the feedline became the antenna.
>> The problem is that the feedline is a vertical "antenna"
>> and produces a whopping signal that is actually higher
>> that the signal from the antenna itself.
>>
>> Rick N6RK
>>
>> On 7/10/2011 9:13 AM, vtnn43e@comcast.net wrote:
>>>
>>> I was wondering if anyone on the list uses a DX Engineering DXE-ARAH2-1p
>>> active dipole antenna and how well does it work on 160 and 80?
>>>
>>> 73
>>>
>>> Zack
>>>
>>> N8FNR
>>>
>>>
>>> _______________________________________________
>>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>>>
>>>
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>>
>>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
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UR RST IS ... ... ..9 QSB QSB - hw? BK
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