So this is why the 10m beam I cleaned now resonates so great on 40m........
;-)
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Roger (K8RI)
Sent: Saturday, February 16, 2008 1:09 PM
To: TexasRF@aol.com
Cc: towertalk@contesting.com; N7KA@comcast.net
Subject: Re: [TowerTalk] cleaning aluminum beam elements
TexasRF@aol.com wrote:
> I am quite concerned about all the aluminum cleaning chat recently. It is
> well known that any of these abrasive cleaners and pads will leave
> micro-scratches in the aluminum surface. Due to the skin effect at our
high frequencies,
> the rf flow will encounter a maze of conduction channels that not only
will
> increase the electrical length of the element, can reverse the electron
flow,
> creating pattern nulls in some directions.
>
> The only approved method of restoring beam antenna appearance and
> performance is replacement of the aluminum tubing.
>
Preferably in a much larger antenna.
>
> You can find a complete selection of NEW virgin aluminum tubing at great
> prices at _www.texastowers.com_ (http://www.texastowers.com) under the
heading
> "aluminum". With these low prices and availability, there is no reason to
> even think about any other restoration method. Who wants to be caught
scrubbing
> aluminum when you could be hamming it up instead?!
>
> Please let me know what you need!
>
> 73,
> Gerald Williamson K5GW
> Owner/General Manager,
> Texas Towers
>
>
What da ya wanna bet some one takes you serious Gerald? <:-))
73
Roger (K8RI)
_______________________________________________
_______________________________________________
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
|