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
>
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