[CQ-Contest] RFI Question

[Pete Smith N4ZR]

Yes but you will generally need more than 1 turn at HF, particularly on 
the lower frequency bands.  The K9YC tutorial is a must-read, and the 
RFI at contesting.com reflector is the go-to place for help.

73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite
ARC V6 or VE7CC DX cluster node.

On 11/6/2012 7:20 AM, Nate Bargmann wrote:
> * On 2012 06 Nov 05:03 -0600, Carol Richards wrote:
>> In the recent SS-CW, I noticed that I was getting RF into my PTT line
>> that I use for keying. ( the rig locked up on some bands when I was
>> QRO)  I suppose that I need to get the cable wrapped around some
>> cores.What do I need and where can I get them?
> A few years ago I ordered a number of the snap-over type ferrites from
> Mouser.  The ones I bought will snap over an RG-58 sized cable and are
> "mix 31" which is good for HF as I understand it.
>
> Mouser # 623-0431164281
> Fair-Rite # 0431164281
>
> They are available in several package sizes and the above numbers should
> get you to the correct page at Mouser's site so you can find what you're
> looking for.
>
> DX Engineering also carries them, but I found Mouser had a better price
> in quantity.
>
> 73, de Nate >>
>