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Re: Topband: FW: CQWW a bust this year

To: jim@audiosystemsgroup.com
Subject: Re: Topband: FW: CQWW a bust this year
From: Michael Walker <va3mw@portcredit.net>
Date: Wed, 2 Dec 2020 06:40:57 -0500
List-post: <mailto:topband@contesting.com>
Hi Jim

My point on feedlines is that you can’t assume all is good. You do need to test 
and confirm. 

And chokes are a must. 

Mike va3mw 

> On Dec 1, 2020, at 3:29 PM, Jim Brown <jim@audiosystemsgroup.com> wrote:
> 
> On 12/1/2020 10:00 AM, Michael Walker wrote:
>>  - How old are your feedlines?  Are 100% sure they are as good as the day
>>    you installed them?
> 
> Another urban myth -- coax is degraded only 1) by the intrusion of moisture 
> into the dielectric, which occurs at poorly installed or poorly weatherproof 
> connectors or with physical damage to the outer jacket; or 2) UV breakdown to 
> a non-UV-resistant jacket.
> 
>>    - Noise -- did you know that 80% of the low band noise is in your own
>>    house - fix it as it isn't going to fix itself and don't be so sure to
>>    blame someone or something else until you confirm it. 
> 
> YES! There's an app note for this on my website that ran in NCJ several years 
> ago. k9yc.com/publish.htm
> 
> 73, Jim K9YC
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