Towertalk
[Top] [All Lists]

Re: [TowerTalk] Horse fence wire antenna

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Horse fence wire antenna
From: Al Kozakiewicz <akozak@hourglass.com>
Date: Tue, 22 May 2012 21:30:33 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Of the 3 digit alloys, the 200 and 300 series (most common) are non-magnetic.

The 400 series is magnetic, but less corrosion resistant.

Al
AB2ZY

-----Original Message-----
From: towertalk-bounces@contesting.com 
[mailto:towertalk-bounces@contesting.com] On Behalf Of K8RI
Sent: Tuesday, May 22, 2012 9:18 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] Horse fence wire antenna

On 5/22/2012 8:14 PM, Rick Karlquist wrote:
> A dumb idea.  Horse fence wire is stainless steel.  It has a much 
> higher DC resistance than copper.  The situation is even worse at RF 
> because it is magnetic.

Maybe so, maybe not.  Most SS is non magnetic, but there are variations that 
are.

73

Roger (K8RI)

> I once measured
> some nickel wire at 80 MHz and the resistance was incredibly high.  
> The heating due to the loss won't be obvious because the heating is 
> distributed over a lot of wire, which is in free air.
> The loss of RF will be noticeable on the S-meter of the station you 
> are talking to.
>
> The horse fence antenna is similar to the Maxcom antenna "matching" 
> network that consisted of a 50 ohm power resistor.
> Radiates equally poorly at all frequencies.
>
> Rick N6RK
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk


_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>