On 19/05/2010 20:49, N7HIY wrote:
> hello Edwardo
> try these links, lots of good info
>
> is it cable tv interference, ferrite cores may be your best solution. do
> you have access to ferrite cores in Cuba? ferrites work well both on the tv
> coaxial cable into the tv and the ac power cord to block ham radio RF from
> entering the set via either path. Ferrite cores can also be used on tv flat
> twin lead to dissapate common mode TVI picked up on the flat lead from the
> antenna.
>
> http://audiosystemsgroup.com/RFI-Ham.pdf
>
> http://www.hs0zee.com/Amateur/TVI/TVi%20Filters.htm#CoaxStubs
>
> http://www.arrl.org/cable-television-interference
>
> http://www.antennex.com/shack/Dec99/beads.htm
>
> http://www.arrl.org/files/file/Technology/RFI%20Main%20Page/Hallas.pdf
>
> https://www.amidoncorp.com/specs/2-16.pdf
>
> https://www.amidoncorp.com/categories/7
>
> Cliff N7HIY
>
>
> ----- Original Message -----
>
>> From: "Eduardo Somoano C"<co8ly@frcscu.ciges.inf.cu>
>>
> To:<smirk@mailman.qth.net>;<yaesu@contesting.com>;<sedxc@contesting.com>;
> <rfi@contesting.com>;<nodxa@lists.contesting.com>;<nodxa@contesting.com>;
> "Lista 160M"<topband@contesting.com>;<contest@mailman.qth.net>;
> <"<antennaware"@>
> Sent: Wednesday, May 19, 2010 3:36 PM
> Subject: [Yaesu] Another form of eliminating ITV
>
>
>
>> Dear friends
>>
>> I have heard talk about a form of eliminating ITV.
>>
>> They say that there are some circuits that are built with reel, coax and
>> condensers
>> that they put on a lot between the equipament and the connection to earth
>> (ground) and help to eliminate the ITV.
>>
>> Somebody can speak to me of that topic or to tell me some Web where to
>> find
>> it.
>>
>> A million thank you in advance.
>>
>> 73. - Eduardo. CO8LY
>>
>> _______________________________________________
>> Yaesu mailing list
>> Yaesu@contesting.com
>> http://lists.contesting.com/mailman/listinfo/yaesu
>>
>>
> _______________________________________________
> Yaesu mailing list
> Yaesu@contesting.com
> http://lists.contesting.com/mailman/listinfo/yaesu
>
>
>
_______________________________________________
Yaesu mailing list
Yaesu@contesting.com
http://lists.contesting.com/mailman/listinfo/yaesu
|