[Top] [All Lists]

Re: [TowerTalk] cleaning aluminum beam elements

To: Jim Lux <>
Subject: Re: [TowerTalk] cleaning aluminum beam elements
From: Jim Lux <>
Date: Sat, 16 Feb 2008 15:51:51 -0800
List-post: <">>
Jim Lux wrote:
> 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. 

But doesn't Jo Gunn or a similar vendor sell some sort of antenna 
polish/grease?  Couldn't one just hose your antenna down, and it would 
be easier than either scrubbing OR realuminuming?

you got me..and it's not even april yet.
Jim, W6RMK

TowerTalk mailing list

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